tilt-up concrete structures

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Ngày tải lên: 24/01/2014, 23:20

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Ngày tải lên: 01/05/2014, 21:25

... Data Hsu, Thomas T. C. (Thomas Tseng Chuang), 1933- Unified theory of concrete structures / Thomas T. C. Hsu and Y. L. Mo. p. cm. Includes index. ISBN 978-0-470-68874-8 (cloth) 1. Reinforced concrete ... OTE/OTE/SPH P2: OTE FM JWBK431 /Hsu April 1, 2010 14:52 Printer Name: Yet to Come UNIFIED THEORY OF CONCRETE STRUCTURES Thomas T. C. Hsu and Y. L. Mo Universit...

Ngày tải lên: 07/06/2014, 00:49

... formwork system for his or her project. The purpose of formwork is to safely support the reinforced concrete until it has reached adequate strength. Thus, formwork is a temporary support for ... the formwork that must be constructed to form the concrete. For most structures, more time and cost are required to make, erect, and remove formwork than the time and cost to p...

Ngày tải lên: 11/08/2014, 22:57

... document. CODE REQUIREMENTS FOR ENVIRONMENTAL ENGINEERING CONCRETE STRUCTURES (ACI 350-01) AND COMMENTARY (ACI 350R-01) REPORTED BY ACI COMMITTEE 350 ACI Committee 350 Environmental Engineering Concrete ... intent. It is the function of the commentary to fill this need. CODE REQUIREMENTS FOR ENVIRONMENTAL ENGINEERING CONCRETE STRUCTURES (A...

Ngày tải lên: 24/10/2014, 15:45

... This Code provides the minimum requirements for the de- sign and construction of nuclear safety related concrete structures and structural elements for nuclear power generat- ing stations. Safety ... f y for deformed rein- forcing bars shall not exceed 60,000 psi. 3.5.3.3 Bar mats for concrete reinforcement shall con- form to “Specification for Fabricated Defo...

Ngày tải lên: 24/10/2014, 15:45

... intended to provide information that will serve as a guide for design for concrete structures subjected to fatigue loading. ASTM 722-90 However, this report does not contain the type of detailed design ... and concrete subjected to flexure and axial force and for shear reinforcement. The shear fatigue capacity of concrete beams without shear reinforcement...

Ngày tải lên: 24/10/2014, 15:46

... 224R-11 3.1—Introduction 3.2—Cause of cracking due to drying shrinkage 3.3—Drying shrinkage 3.4—Factors controlling drying shrinkage of concrete 3.5 Control of shrinkage cracking 3.6—Shrinkage-compensating ... in ACI 209R. Cracking due to drying shrinkage can never be eliminated in most structures. This chapter cov- ers cracking of hardened concrete due to drying shr...

Ngày tải lên: 24/10/2014, 15:46

... dimensionless strain (in. /in. or m/m) under steady conditions of relative humidity and temperature. The above definition includes drying shrinkage, auto- genous shrinkage, and carbonation shrinkage. a) Drying ... discussed in Chapter 5. 3.4-Effect of cracking in reinforced and prestressed members To include the effect of cracking in the determination of an effectiv...

Ngày tải lên: 24/10/2014, 16:03

... γ-values shown in Table 1 assume that extensive inclined cracking would occur in the joint. Tests indicate that initial inclined cracking in well-confined interior joints occurs at levels of nominal shear ... columns; confined concrete; high-strength concrete; joints; reinforced concrete; reinforce- ment; reinforcing steel; shear strength; shear stress. CONTENTS Chapter 1—Introd...

Ngày tải lên: 24/10/2014, 16:04

... deflection of a two- way reinforced concrete slab. Chapter 5, “Reducing Deflection of Concrete Members,” gives practical and remedial guidelines for improving and controlling the deflection of ... strain in the extreme com- pression fiber of a concrete element (0.003 in. /in. ) strain at first cracking load strain in prestressed reinforcement at ultimate flexure u...

Ngày tải lên: 24/10/2014, 17:25

... in reinforcement continues to increase with increasing strain until the reinforcement ruptures. The only condition of known forces in an FRP reinforced beam is the balanced condition where the concrete ... concrete; concrete construction; design; external reinforcement; fibers; fiber reinforced plastic (FRP); mechanical properties; polymer resin; prestressed concrete; rein...

Ngày tải lên: 24/10/2014, 17:25

... 2—Materials, p. 373R-97-5 2.1 Concrete 2.2—Shotcrete and filler materials 2.3—Admixtures Design and Construction of Circular Prestressed Concrete Structures with Circumferential Tendons Reported by ... the wall. 1.2—Objective The objective of this report is to provide guidance in the design and construction of circular prestressed concrete structure...

Ngày tải lên: 24/10/2014, 17:26

... A—Recommendations and considerations related to the design and construction of tank foundations, p. 372R-20 CHAPTER 1—GENERAL 1.1—Introduction The design and construction of circular prestressed concrete structures ... concrete and prestressed concrete design and construction given in ACI 318-99, ACI 350-01, and ACI 301. Design and construction...

Ngày tải lên: 24/10/2014, 17:26

... 550R-1 Recommendations for the design of precast concrete structures are pre- sented. Design of individual members and of connections for the integra- tion of members into structures are ... to provide designs for the mem- bers and/or connections. PRECAST CONCRETE STRUCTURES 550R-3 The contract documents should show the loads to be con- sidered in design of the pr...

Ngày tải lên: 24/10/2014, 17:26