TM đa XDC bản TIẾNG ANH HOÀN CHỈNH

BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO TABLE OF CONTENTS CHAPTER I: DESIGNING THE FACE WITH THE COUNTY OF THE DISTRICT 1.1 Area overview 1.1.1 Environmental climate characteristics 1.1.2 Characteristics of geological conditions 1.1.3 Features of hydrological and hydrogeological conditions 1.1.4 Conclude 1.2 Prepare the site for construction of the Metro line 1.2.1 Preparation 1.2.2 Secure navigation during construction 1.2.3 Site construction site and construction road 1.3 Construction site of the bottom sealing concrete SG4 CHAPTER II: EXECUTION PILE FOUNDATION, PILE CAP, PIER SG4 2.1 Scope of work Execution measures 2.2 List of materials 2.3 Detailed Execution process 2.3.1 Prepare work 2.3.2 Piling steel sheet piles for fins 2.3.3 Digging the soil/ filling up the sand into the cofferdam and concreting the fouilk 10 2.3.4 Installing anti-frame (struts and tie bars) 13 2.3.5 Insert the outer frame and bracing anchor (PC) 14 2.3.6 Handling pile head 15 2.3.7 Lining concrete 16 2.3.8 Erection of reinforcement 16 2.3.9 Erection of formwork and bracing 18 2.3.10 Concrete work 19 2.3.11 Removal of Formwork 23 2.4 Construction sequence for the SG4 pier 24 STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO CHAPTER 3: DESIGN OF ROUND OF STEEL PILE WIRE 30 3.1 Calculate fouilk 30 3.1.1 Overview 30 3.1.2 Calculation data 31 3.1.3 Determining dimensions the Giay concrete layer sealing the bottom under the condition of equilibrium 32 3.2 Construction Sequence concrete block layer bottom 34 3.3 Calculation encirclement steel pile 40 3.3.1 Calculated figures 40 3.3.3 Calculation according to the strength and stiffness conditions of the enclosure 48 3.4.Construction of steel sheet piles 52 STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO CHAPTER I: DESIGNING THE FACE WITH THE COUNTY OF THE DISTRICT 1.1 Area overview 1.1.1 Environmental climate characteristics Ho Chi Minh City is located in the tropical equatorial monsoon Like the other provinces in the South, the general characteristics of Ho Chi Minh City's climate are high temperatures throughout the year and two rainy seasons - clear dryness The rainy season is from May to November, the dry season is from December to April next year According to monitoring data for many years at Tan Son Nhat station of the major meteorological factors, it shows preliminary characteristics of Ho Chi Minh City's climate as follows (Tan Son Nhat station with coordinates of 10049 'North latitude, 106040 'East longitude, monitoring at 0m above sea level) 1.1.1.1 Rain Rainfall in the area is relatively abundant, the average is 1926 mm, the highest year is 2718 mm (1908) and the smallest year is 1392 mm (1958) The average number of rainy days per year is 158.8 days About 90% of the annual rainfall is concentrated in the rainy season from May to November, in which the highest rainfall is in June and September The months of January, February and March rain very little, the rainfall is insignificant On the scope of city space, rainfall is unevenly distributed, tends to increase along the Southwest - Northeast axis Rainfall is higher in the urban districts and in the northern districts than in the southern and southwest districts 1.1.1.2 Wind Ho Chi Minh City is influenced by two main wind directions and mainly the West Southwest and North - Northeast monsoon winds West - Southwest wind from the Indian Ocean blows in the rainy season, from June to October, the average speed of 3.6m / s and wind blows the strongest in August, the average speed is 4.5 m / s North - Northeast wind from the East Sea blows in the dry season, from November to February, the average speed of 2.4 m / s In addition, there is wind from the South-Southeast wind, from March to May, the average speed is 3.7 m / s STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO 1.1.1.3 Temperature Average air temperature 27.40C Absolute high temperature 400C, absolute low temperature 13.80C The month with the highest average temperature is April (29.20C), the month with the lowest average temperature is between December and January (26.00C) Every year, over 330 days have an average temperature of 25 - 280C 1.1.1.4 Sunny The amount of radiation in Ho Chi Minh City is quite abundant, averaging about 140 Kcal / cm2 / year The average number of sunshine hours in a month is 170 - 270 hours 1.1.1.5 Humidity The average annual relative humidity is 78%, increasing in the rainy season and decreasing in the dry season In the rainy season, the average humidity is 80% and the absolute high value reaches 100% In the dry season, the average humidity is 74.5% and the absolute low is down to 20% 1.1.1.6 Storm Basically, the South in general and Ho Chi Minh City in particular not suffer as much and strong storms as other regions in our country According to statistics from 1962 to 2012, there are more than 50 storms affecting the Southern region, including Ho Chi Minh City In the most recent years, the storm in 2006 and 2012 caused heavy damage to Can Gio district 1.1.2 Characteristics of geological conditions drilling holes have been drilled at the expected bridge construction site and have the following results: - Grade 1: Dark gray clay mud, and plant relics - Layer 2: Clay, dark gray, plastic melt state - Grade 3: Sand mixed with gravel mixed with quartz, dark gray, ash gray, white gray, gray brown, plastic state - Grade 4: Clay, clay, brown - gray, half hard to hard 1.1.3 Features of hydrological and hydrogeological conditions - Underground water in Metro Bridge area is closely related to water levels in the rivers in the area under the influence of tides Groundwater is active in clay mud, STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO dust and sand layers, appearing in shallow boreholes at a depth of 0.9m Therefore, when constructing the foundation pit, there should be stable measures to avoid water flowing into the pit - Results of water sample analysis in borehole LK- T4 (DA) take advantage of the feasibility study report According to TCVN 3994-85, the assessment of water corrosion to the foundation works is weak corrosive water for reinforced concrete - Groundwater level in the observation hole after 24 hours of drilling: Figure 1.1 - Groundwater level in borehole 1.1.4 Conclude Based on the survey results of engineering geology, stratigraphic area of the route area to the depth of survey of road foundation works including soil and rock layers: - Class kc: Garbage and debris layer - Layer 1: Very flexible clay (OH-CH) dark gray and organic, flowing state This is a soft soil layer for bridge construction, it is necessary to have measures to design and stabilize the soil layer before construction, to avoid the phenomenon of sinking the foundation pit, sinking the road leading to the bridge Conventional load capacity R0 = 0.38kG / cm2 - Layer 2: Very flexible clay (CH) dark gray, plastic melt state This is a layer with low load capacity for the bridge Conventional load capacity R0 = 1.28 kG / cm2 - Grade 3: Sand mixed (SM) and quartz gravel, dark gray, ash gray, white gray, brown gray, plastic This is a layer with low load capacity for the bridge Conventional load capacity R0 = 2.13kG / cm2 STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT - INSTRUCTOR: THANH HIEU DO Grade 4: Clay phase (CH), gray-brown, gray-white, half hard to hard This is a layer with low load capacity for the bridge Load bearing convention R0 = 0.96kG / cm2 1.2 Prepare the site for construction of the Metro line 1.2.1 Preparation - Clearance: + The investor has cleared the ground + Within the work area, it is necessary to cut down trees or relocate to other places + Clean and prepare premises, camps, warehouses for construction + Gathering construction materials and equipment - Road for transporting sand and materials: + Waterway: the project crosses the Saigon River, and the arrangement of transport routes along the river is relatively convenient + Roads: can take advantage of the road via SG bridge, the arrangement of roads by road is relatively convenient - Building location: + Get coordinates, altitude at the scene, conduct storage and send landmarks to a safe location + From the existing landmarks, repositioning the piles, pillars, and heart hearts 1.2.2 Secure navigation during construction Through the actual survey, due to the construction of the same river with the Sai Gon bridge, we can take advantage of the scope of navigation of the Sai Gon bridge to build the Metro line 1.2.3 Site construction site and construction road Based on the workload, construction progress as well as the actual terrain of the construction area, the total preliminary site construction area is determined as follows: - The construction site has an expected area of S = 1537,085 (m2) The construction site is arranged close to the "Beer Alcohol Beverage Enterprise Center" separated by fences and does not share the entrance with the company Within the premises, there are C4 housing areas that need to be cleared for construction STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT - INSTRUCTOR: THANH HIEU DO Roads for construction works (for construction vehicles on construction sites): Road width b = (m) is the width to consider if two vehicles are going in opposite directions - The construction site gate is located in the direction of the big road in District and the security guard is arranged next to the gate to protect and observe the construction and transportation of construction vehicles as well as checking, monitoring and limiting outsiders are not included in the field - Household warehouse includes: fuel fuel for construction vehicles, tools for main construction and auxiliary construction, are close to the protection house to protect and observe - Parking is located near the gate so workers and other workers can build cars - Rebar processing yard, material gathering yard and electric station are arranged close to each other and located on the same land area from the direction of the construction site entrance to the construction site, about 0.5m from the parking lot with the size of 15x4m suitable within the range of available land without encroaching on the construction road to serve the construction work Especially for reinforcement processing yards and material gathering yards, which are arranged close to the construction vehicles, are very suitable and increase the efficiency for construction work, such as when arranging reinforcement processing yards In order to make a bored pile, the nearby bridge can be reached and the pile crane is stuffed to the working post without being restricted to the reach of the crane - The working house is the working and operating site of construction engineers and supervisory consultants, it is located on the yard near the construction site of SG4 so that construction engineers can operate Employees work effectively, easily observe the construction process and promptly offer solutions when having problems without time and distance hindered The size of the working house referenced is 6x2.35m - Steel sheet pile gathering yard and formwork aggregate yard are also located close to the construction site to increase the productivity of vehicles in construction work - Since SG4 pillar is located on the river near the shore, we can arrange a working floor for construction vehicles to carry out the construction work of SG4 STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT - INSTRUCTOR: THANH HIEU DO Because the geology is clay, the slope of the river's edge of the construction site may be slipping, so it is necessary to work on the slope reinforcement, for example, to make the wall of a slope - In addition, special attention must be paid to the protection of materials, household and tools to support construction in the construction ground from thieves, for example making sharp iron and steel fences and There are regular watchmen at night to avoid theft 1.3 Construction site of the bottom sealing concrete SG4 - Construction site on the bank of District 2, near the bridge location, convenient for transportation - Installing temporary bridges from the shore of District to serve construction - Move the 900T barge to the position of SG4 abutment, arrange anchor piles, anchor cable to keep the barge permanent, proceed with pouring concrete bottom On barges, we place counterweight concrete on the left to balance with the crane on the right for construction - At construction site, not arrange concrete mixing station in place Concrete is transported from the factory by mixing truck to the construction site of District through the system of public roads (built for construction), then by concrete pump (through concrete pipe L = 42m ) pour directly into the pile SG4 - SG4 foundation pit is a square foundation consisting of rows of piles, each consisting of bored piles arranged as page 38 drawings - Items of camps include: the operator area, laboratory and housing area of staff and workers are arranged near the construction site to facilitate the management, supervision and administration - Power station provides electricity for construction site, using generator or low voltage station using grid power - Reinforcing steel workshop; carpentry workshops producing wooden formwork and details of wooden scaffolding; Mechanical workshop specializing in repairing construction equipment and machines; Cold workshop specializes in processing steel structure details and forging and fabricating construction tools STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO CHAPTER II: EXECUTION PILE FOUNDATION, PILE CAP, PIER SG4 2.1 Scope of work Execution measures - Execution frame fins then dig / embank (to design elevation) - Execution of Pile Cap Pier - Finishing 2.2 List of materials - Construction material is used for the execution cap pier and pier: STT Construction material Intensity (MPa) Note Reinforcement 390 Used for Pier footing and Pier body Grade of concrete 15 15 Concrete lining for Pier footing Grade of concrete 20 20 Fouilk of Pier footing Grade of concrete 35 35 Concrete of Pier footing Table 2.1 - Summary of materials list 2.3 Detailed Execution process 2.3.1 Prepare work - Material and equipment will be required to be mobilized and Acceptance before being put into Execution - Position Sheet pile / frame fin will be surveyor before deployment - Drawing and Spreadsheet for frame (include fouilk) submitted and approved separately - Execution fin frame sequence details are presented in this Execution measure and must be approved by the investor representative 2.3.2 Piling steel sheet piles for fins The guide frame for lowering steel sheet piles will be erected along the monitoring mark Next, steel sheet piles will be pile in line with the guide system and the position of this system will be adjusted to match the position of the steel sheet pile Steel sheet piles will be mounted vertically and brought into the guide system In all pile driving process, STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO the free length of the board is completely supported by the guide system to prevent instability and damage to the pile After the guide frame has been placed in right place, the first extended sheet pile will be hooked into the frame, this pile will be pile and interlocked, the last pile will be partially closed The remaining piles are closed to the design elevation through the frame system without fear of vertical deflection The horizontal tie bar of the guide system will be removed and all piles except the last pile will be closed to the design elevation The last pile will remain the same to support one end of the horizontal guide bar for the next frame system This method will be repeated for each frame system, the end of this frame will be the first in the next frame system Figure 2.1 – Piling steel sheet to make fins 2.3.3 Digging the soil/ filling up the sand into the cofferdam and concreting the fouilk 2.3.3.1 Digging the soil/ filling up the sand into the cofferdam - Depending on the river’s elavation and the level of the pile cap’s bottom, the contractor will dig up the soil or fill up the sand into the cofferdam - In case of digging: + Digging up the soil to the design elevation + Check the foundation’s depth by the tape mearsure or the divers STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 10 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO 3.3 Calculation encirclement steel pile 3.3.1 Calculated figures MNTC +1.62 -6.00 -6.70 -8.10 -18.00 Figure 3.12 - Calculation diagram Parameter Symbols Unit Value 𝛾0 kN/m3 14.64 𝛾𝑑𝑛 kN/m3 4.76 𝛾𝑛 kN/m3 10 𝛾𝑏𝑡 kN/m3 20 c kPa 5.7 𝜑 Ordinal indicator 3030’ The water levels of construction MTTC m + 1.62 Natural ground level MDTN m -6.00 Altitude concrete floor sealing BTBD m -6.70 DM m -8.10 Natural density Density uplift Own weight of water Bottom sealing concrete weight Adhesive force Friction Angle High thickness Table 3.2 - Parameters calculated encirclement steel pile STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 40 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO 3.3.2 Calculation of stability under conditions of siege pile of steel 3.3.2.1 The depth to ensure a minimum value after t = hn = 1.02 m π γdn 3.3.2.2 Formula to calculate the earth pressure - The formula for calculating active earth pressure + The coefficient of active earth pressure φ K a = tan2 (45o − ) = 0.885 + Water Pressure En = × γ × H2 × K a + Formula calculated passive earth pressure × c2 Ea = × γbh × h × K a − × c × √K a × h2 + γbh - The formula to calculate passive soil pressure: + The coefficient of active earth pressure 𝜑 𝐾𝑃 = 𝑡𝑎𝑛2 (45𝑜 + ) = 1.13 + Water Pressure En = × γ × H2 × K p + Pressure land (land-adhesive) × c2 EP = × γbh × h × K p − × c × √K 𝑝 × h2 + γbh 3.3.2.3 Stable condition ∑ Ma − m × ∑ Mb ≤ 3.3.2.4 Computation STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 41 BRIDGE CONSTRUCTION PROJECT - INSTRUCTOR: THANH HIEU DO Case 1: No concrete floor sealing MNTC +1.62 En1 En2 y1 -6.00 y3 -8.10 M y2 y4 Ea Ep h4= t -18.00 Figure 3.13 - Diagram calculate concrete case have not been bottom Parameter Symbols Unit Value Active water pressure En1 kN/m 256.935 Soil pressure Ea kN/m 6.531 t2 16.706t+10.682 Passive water pressure En2 kN/m 391.107 Soil pressure Ep kN/m 8.339 t2-12.118t+4.402 y1 m 2.54 y2 m 2/3t + 1.4 y3 m 2.773 y4 m 2/3t Table 3.3 - Parameters calculate concrete cases have not been bottom STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 42 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO t  30.592m tmin = 1.02 m  Choose t = 9.9m + Case 2: Concrete bottom filling MNTC +1.62 En1 En2 y1 -6.00 -6.7 y3 M 0.5 y2 Ebt -8.10 ybt y4 Ea Ep h4 = t -18.00 Figure 3.14 – Diagram of calculation of case of concrete bottom filling Parameter Symbol Unit Value Active water pressure En1 kN/m 256.935 Earth pressure Ea kN/m 6.531t2+16.706t+10.682 Passive water pressure En2 kN/m 391.107 Ebt kN/m 27.131 Ep kN/m 8.339t 2-12.118t+4.402 Pressure Concrete bottom filling Earth pressure STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 43 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO y1 m 2.54 y2 m 2/3t + 1.4 y3 m 2.773 y4 m 2/3t ybt m 0.933 Table 3.4 - Calculation parameters of bottom-filling concrete pouring t  20.572m tmin = 1.02 m  Choose t = 9.9 m + Case 3: Remove water for paragraph 0.5m, Installation of 1st anti-roll wall MNTC +1.62 MN+1.12 En1 En2 y1 -6.00 y3 -6.7 M 0.5 y2 Ea ybt Ebt -8.10 y4 Ep h4= t -18.00 Figure 3.15 – Diagram of calculation of case of Remove water for paragraph 0.5m, Installation of 1st anti-roll wall STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 44 BRIDGE CONSTRUCTION PROJECT Parameter INSTRUCTOR: THANH HIEU DO Symbol Unit Value Active water pressure En1 kN/m 256.935 Earth pressure Ea kN/m 6.531t2+16.706t+10.682 Passive water pressure En2 kN/m 345.511 Ebt kN/m 27.131 Ep kN/m 8.339t2-12.118t+4.402 y1 m 2.54 y2 m 2/3t + 1.4 y3 m 2.607 y4 m 2/3t ybt m 0.933 Pressure Concrete bottom filling Earth pressure Table 3.5 – Parameter diagram of calculation of case of Remove water for paragraph 0.5m, Installation of 1st anti-roll wall t  20.078m tmin = 1.02 m  Choose t = 9.9 m STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 45 BRIDGE CONSTRUCTION PROJECT + INSTRUCTOR: THANH HIEU DO Case 4: Water withdrawal for more paragraph of 3.5m, install the wall against the 2nd MNTC +1.62 MN-2.38 En1 y1 -6.00 En2 -6.7 y3 M 0.5 y2 ybt Ebt -8.10 y4 Ea Ep h4= t -18.00 Figure 3.16 – Diagram to calculate the case of splashing against the 2nd Parameter Symbol Unit Value Active water pressure En1 kN/m 256.935 Earth pressure Ea kN/m 6.531t2+16.706t+10.682 Passive water pressure En2 kN/m 105.443 Ebt kN/m 27.131 Ep kN/m 8.339t2-12.118t+4.402 y1 m 2.54 y2 m 2/3t + 1.4 y3 m 1.44 y4 m 2/3t ybt m 0.933 Pressure Concrete bottom filling Earth pressure Table 3.6 - Case calculation parameter, fitting against the 2nd wall STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 46 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO t  22.556 m tmin = 1.02 m  Choose t = 9.9 m + Case 5: Completely withdraw water from the pit MNTC +1.62 En1 y1 -6.00 -6.7 y3 M 0.5 y2 ybt Ebt -8.10 y4 Ea Ep h4= t -18.00 Figure 3.17 - Diagram of calculation of the case of completely draining water from foundation pit Parameter Symbol Unit Value Active water pressure En1 kN/m 256.935 Earth pressure Ea kN/m 6.531t2+16.706t+10.682 Passive water pressure Ebt kN/m 27.131 Ep kN/m 8.339t2-12.118t+4.402 y1 m 2.54 y2 m 2/3t + 1.4 y4 m 2/3t ybt m 0.933 Pressure Concrete bottom filling Table 3.7 - Parameter calculation for the case of complete withdrawal of water from the pit STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 47 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO t  23.71 m tmin = 1.02 m  Choose t = 9.9 m 3.3.3 Calculation according to the strength and stiffness conditions of the enclosure 3.3.3.1 Diagram of the applied forces: Figure 3.18 - Diagram of the forces acting on pile piles 3.3.3.2 Calculation of the forces acting on sheet piles: a Active water pressure 𝑃𝑛1 = 𝐾𝑎 𝛾𝑛 ℎ b The main soil pressure 𝑃𝑎 = 𝐾𝑎 𝛾𝑏ℎ ℎ1 − 2𝑐 √𝐾𝑎 c Concrete pressure: 𝑃𝑏𝑡 = 𝐾𝑝 𝛾𝑛 ℎ3 STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 48 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO d Calculate Parameter Water pressureinitiative Land owners pressurepadded Concrete pressure Symbol Unit Value PN1 KN / m2 67 437 Pa KN / m2 4,951 PBT KN / m2 5.65 Table 3.8 – calculated parameters of the force onto steelpiles 3.3.3.3 Audit a Results - Using Midas Civil to produce the results of torque and deflection we can: + Torque diagram: M = 71.2 KN.m 71200 kN.mmDeflection Figure 3.19 - Torque diagram using Midas STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 49 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO + Chart: fmax = 13.2 mm Figure 3.20 – Deflection chart using Midas b Auditor: - Audit stresses + Area: STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 50 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO S = 1.152x 104 (mm) Figure 3.21 - Parameter siege Midaspile equal + Comparison results: ϭ ≤ [ϭ] Parameter Symbol Unit Priceof Volume W mm3 101606400 Torque M Kn.m 71200 Stress  KN/m 0.001 Allowable stress [ϭ] KN/m 0.2 Comparison results Achieve Table 3.9 - Results of stress test comparison - Audit deflection: + Deflection allowed: STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 51 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO 𝑓𝑐𝑝 = + 𝐿 400 fmax≤ fcp Results: Parameter Symbol Unit Value Deflection largest fmax mm 13.2 Length calculate L mm 8820 fcp mm 22.05 The hammock allow Comparison results Achieve Table 3.10 – Results of comparison test of deflection  Conclusion: Steel sheet pile ring ensures the required strength and deflection 3.4 Construction of steel sheet piles - The first step: + Installing the H200 consol into the permanet casing + Installing H200 guide waling into the consol + Pitching the sheet pile following the work guider Figure 3.22 - Step construction of steel sheet pile ring - The second step: + Installing the H200 consol into the permanet casing + Installing H200 guide waling into the consol + Pitching the sheet pile following the work guider STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 52 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO Figure 3.23 - Step construction of steel sheet pile ring - The third step: + Installing the H200 consol into the permanet casing + Installing H200 guide waling into the consol + Pitching the sheet pile following the work guider Figure 3.24 – Step construction of steel sheet pile ring - The finish step: + Installing the H200 consol into the permanet casing + Installing H200 guide waling into the consol + Pitching the sheet pile following the work guider STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 53 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO Figure 3.25 - Step construction of steel sheet pile ring STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 54 ... the site with the utmost care to avoid breaking the reinforcement frame STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page 16 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO - Reinforcement... – STUDENT CODE: 5651014131 Page 21 BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO Figure 2.12 - Surface treatment at the top of the platform 2.3.10.4 Maintenance concrete - Pile cap is... STUDENT: MINH TRUYEN DO – STUDENT CODE: 5651014131 Page BRIDGE CONSTRUCTION PROJECT INSTRUCTOR: THANH HIEU DO 1.1.1.3 Temperature Average air temperature 27.40C Absolute high temperature 400C, absolute