3—nondestructive test methods for evaluating repairs

... methods is occurring despite the lack of testing standards for many of the methods. The development of testing standards is critical for proper appli- cation and expanded use of NDT methods for ... inspection 2.2—Stress-wave methods for structures 2.3—Stress-wave methods for deep foundations 2.4—Nuclear methods 2.5—Magnetic and electrical methods 2.6—Penetrability methods 2.7—Infrared thermography ... in-place tests covered in ACI 228.1R and other applicable methods for evaluating the in-place characteristics of concrete. CHAPTER 2—SUMMARY OF METHODS This chapter reviews the various NDT methods for...

Ngày tải lên: 24/10/2014, 17:44

... a tendency to form a surface film while under test. Other classification flash points have been established by these departments for liquids using these test methods. 5.3 These test methods should ... capable of performing the test in accordance with Section 11 (Procedure A), Section 12 (Procedure B), and 13 (Procedure C) of these test methods. The apparatus shall use the test cup, test cover ... suitable for determining the bias for the procedure in these test methods, bias has not been determined. 17.1.4 The precision data for residual fuel oils were devel- oped in a 1996 cooperative test...

Ngày tải lên: 20/10/2014, 17:17

... is given in Annex C for walls subject to a uniform lateral design load 22 EN 1996 -3: 2 006 (E) Annex A (Informative) Simplified calculation method for unreinforced masonry walls ... Part 3: Simplified calculation methods for unreinforced masonry structures EN 1996- 1-1 describes the principles and requirements for safety, serviceability and durability ... describes simplified calculation methods to facilitate the design of unreinforced masonry walls based on the principles from EN 1996- 1-1 For the design of new structures,...

Ngày tải lên: 11/12/2016, 12:23

... The test methods normally give a measurement of the conductivity when the fuel is uncharged, that is, electrically at rest (known as the rest conductivity) 1.2 Two test methods are available for ... 13.4 Bias—Since there is no accepted reference material or test method for determining the bias of the procedure in Test Methods D2624 for measuring electrical conductivity, bias cannot be determined ... before retesting for zero If the instrument does not meet the specification without the probe attached, then the adjustment procedure of A2.4 should be performed A2.4 Zero adjustment is performed...

Ngày tải lên: 04/01/2018, 15:32

... Nondestructive Testing Methods for Civil Infrastructure, contains papers presented in the sessions on nondestructive testing (NOT) for the 1993 Structures Congress held in Irvine, California on April ... Cataloging-in-Publication Data Nondestructive testing methods for civil infrastructure : a collection of expanded Rapers on nondestructive testing from Structures Congress 93 : approved for the publication by the ... civil infrastructure To this purpose, these papers deal with new developments of NOT methods and experiences for testing of materials, building components, and highway structures Some specific topics...

Ngày tải lên: 14/05/2018, 13:54

... PHẦN 4: PHƢƠNG PHÁP THỬ VỮA, KEO CHÍT MẠCH Ceramic tiles - Grouts and adhesives - Part 4: Test methods for grouts Lời nói đầu TCVN 7899-4 : 2008 hoàn toàn tƣơng đƣơng với ISO 13007-4 : 2005 TCVN ... PHẦN 4: PHƢƠNG PHÁP THỬ VỮA, KEO CHÍT MẠCH Ceramic tiles - Grouts and adhesives - Part 4: Test methods for grouts Phạm vi áp dụng Tiêu chuẩn qui định phƣơng pháp xác định tiêu kỹ thuật vữa, keo ... Phƣơng pháp thử vữa, keo dán gạch ISO 409-1 Metallic materials - Hardness test - Tables of Vickers hardness values for use in tests made on flat surfaces - Part 1: HV to HV 100 (Vật liệu kim loại...

Ngày tải lên: 15/04/2021, 22:18

... James) D2394 Test methods for simulated service testing of wood and wood-base finish flooring (Phương pháp thử nghiệm để kiểm tra dịch vụ mô ván sàn hoàn thiện gỗ cốt gỗ) D2395 Test methods for density ... tính cháy bề mặt vật liệu xây dựng) E108 Test methods for fire tests of roof coverings (Phương pháp xác định độ bắt lửa lớp phủ mái) E661 Test method for performance of wood and wood- based floor ... (Thuật ngữ liên quan đến gỗ sản phẩm làm từ gỗ) D143 Test methods for small clear specimens of timber (Phương pháp thử mẫu gỗ nhỏ) D792 Test methods for density and specific gravity (relative density)...

Ngày tải lên: 12/02/2022, 00:33

... KHÍ NÉN - PHẦN 2: PHƯƠNG PHÁP XÁC ĐỊNH HÀM LƯỢNG SON KHÍ CỦA DẦU Compressed air - Part 2: Test methods for oil aerosol content Lời nói đầu TCVN 11256-2:2015 hồn tồn tương đương ISO 8573-2:2007 ... KHÍ NÉN - PHẦN 2: PHƯƠNG PHÁP XÁC ĐỊNH HÀM LƯỢNG SON KHÍ CỦA DẦU Compressed air - Part 2: Test methods for oil aerosol content Phạm vi Tiêu chuẩn quy định phương pháp lấy mẫu phân tích định lượng ... nén - Phần 5: Phương pháp xác định hàm lượng dầu dung môi hữu cơ; ISO 12500-1, Filters for compressed air - Test method - Part 1: Oil aerosols (Bộ lọc khơng khí nén Phương pháp thử - Phần 1: Son...

Ngày tải lên: 13/02/2022, 05:00

... KHÍ NÉN - PHẦN 2: PHƯƠNG PHÁP XÁC ĐỊNH HÀM LƯỢNG SON KHÍ CỦA DẦU Compressed air - Part 2: Test methods for oil aerosol content Lời nói đầu TCVN 11256-2:2015 hoàn toàn tương đương ISO 8573-2:2007 ... KHÍ NÉN - PHẦN 2: PHƯƠNG PHÁP XÁC ĐỊNH HÀM LƯỢNG SON KHÍ CỦA DẦU Compressed air - Part 2: Test methods for oil aerosol content Phạm vi Tiêu chuẩn quy định phương pháp lấy mẫu phân tích định lượng ... nén - Phần 5: Phương pháp xác định hàm lượng dầu dung môi hữu cơ; ISO 12500-1, Filters for compressed air - Test method - Part 1: Oil aerosols (Bộ lọc không khí nén Phương pháp thử - Phần 1: Son...

Ngày tải lên: 13/02/2022, 05:08

... Reinforced Concrete ASTM C 29 Test Method for Unit Weight and Voids in Aggregate C 33 Specification for Concrete Aggregates C 94 Specification for Ready-Mixed Concrete C 127 Test Method for Specific ... Specification for Air-Entraining Admixtures for Concrete C 330 Specification for Lightweight Aggregates for Structural Concrete C 595 Specification for Blended Hydraulic Cements C 618 Specification for ... control for assurance of concrete uniformity must be maintained The locations at which samples for testing the concrete are taken is extremely important Sampling, according to ASTM C 94, is for the...

Ngày tải lên: 24/10/2014, 17:44

... matrix concrete Word forms are imagined to be listed as headings for the columns; word meanings as headings for the rows An entry in a cell of the matrix implies that the form in that column can ... Meaning’ and the other ‘Word Form’; arrows would indicate that a language user could start with a meaning and look for appropriate forms to express it, or could start with a form and -5retrieve appropriate ... represent both forms and meanings in a computer Inscriptions can provide a reasonably satisfactory solution for the forms, but how meanings should be represented poses a critical question for any theory...

Ngày tải lên: 23/03/2014, 16:20

... for obtaining the desired properties Refer to ACI 207.2R and ACI 224R for more detail 7.5—Forms Forming materials for PA concrete are similar to those for conventionally placed concrete The forms, ... packing 11.5—Formwork Formwork should follow the practices set forth in ACI 347R Formwork for conventionally placed heavyweight concrete needs to be stronger than comparable formwork for ordinary ... Specification for Portland Cement C 172 Practice for Sampling Freshly Mixed Concrete C 173 Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method C 231 Test Method for Air Content...

Ngày tải lên: 24/10/2014, 15:47

... Bars for Concrete Reinforcement A 617 Standard Specification for Axle-Steel Deformed and Plain Bars for Concrete Reinforcement A 706 Standard Specification for Low-Alloy Steel Deformed Bars for ... Sealants for Concrete Structures ASTM A 615 Standard Specification for Deformed and Plain Billet-Steel Bars for Concrete Reinforcement A 616 Standard Specification for Rail-Steel Deformed and ... consistency 2.4.4 Forming and reinforcement-Both wood and metal forms can be used Petroleum-based form release agents should be used on wall pours but are not necessary on slab forms When forming large...

Ngày tải lên: 24/10/2014, 22:11

... Standard Specification for Steel Fibers for Fiber Reinforced Concrete Standard Test Methods for Unit Weight and Voids in Aggregate Practice for Making and Curing Concrete Test Specimens in the ... for Unit Weight, Yield STEEL FIBER REINFORCED CONCRETE and Air Content (Gravimetric of Concrete) C 143 Standard Test Method for Slump for Portland Cement Concrete C 173 Standard Test Method for ... of concrete Formwork must be designed for the additional stress caused by the vibration Consult ACI 347R for further information 4.2 Reinforcing steel Fabricating and placing reinforcing steel...

Ngày tải lên: 24/10/2014, 22:11

... way of evaluating information About this book Acquiring Effective Information Habits The seven pillars of information wisdom Understanding the evidence jigsaw Developing a personal information ... `personal information strategy' for handling the tide of incoming information provides a 12-point checklist aimed at helping establish whether a piece of incoming information is suf®ciently robust for ... provide food for thought for any analyst embarking on the task of analysing marketing information We feel that these insights form a bedrock upon which subsequent, more practical information-handling...

Ngày tải lên: 13/08/2012, 15:38

... Editing End Sub Trong Browse mode, Form có dạng sau: Sub SetControls gọi Sub Form_Load chương trình khởi động Sub CmdEdit user click nút Edit sau: Private Sub Form_Load() ' Fetch Folder where this ... (Telephone) nhà xuất (table Publishers) cách dùng Foreign Key PubID table Titles làm Primary Key table Publishers để lấy chi tiết Nếu bạn chưa nắm vững ý niệm Foreign Key đọc lại Database Trong trường ... Kế đó, thêm DBCombo tên DBCombo1 vào Form Vì ta cần Recordset khác để cung cấp Table Publisher cho DBCombo1, nên bạn thêm control Data thứ nhì tên Data2 vào Form Cho Data2, set property DatabaseName...

Ngày tải lên: 16/08/2012, 13:43

... ngoại bảng mà tham chiếu đến khóa null d Có thể thực xóa dl cột làm foreign key bảng not null 19 Xóa liệu bảng cha bảng có foreign key giá trị primary key bảng cha xóa chọn: a b Delete c Cascade ... constraint, không báo lỗi b Check constraint, báo lỗi ‘K’ vị trí phải số c Format constraint, báo lỗi ‘9’ vị trí phải chuỗi alphabet d Format constraint, báo lỗi ‘K’ vị trí phải số 22 Primary key chứa ... 16 Chìa khóa để kết hợp nhiều relation lại với là: a Primarry key, đặt khóa bảng vào bảng khác b Foreign key, thuộc tính bảng trùng khớp với khóa bảng khác c Candidate key, candidate key bảng trùng...

Ngày tải lên: 18/08/2012, 11:53

... Figure 11 shows the waveforms generated for a triangle wave modulation signal Applications Information (Continued) TL H 7851 – 16 TL H 7851 – 14 FIGURE 12 Figure 13 shows waveforms generated by the ... perform this function FIGURE 13 Linear Ramp 50% DUTY CYCLE OSCILLATOR For a 50% duty cycle the resistors RA and RB may be connected as in Figure 14 The time period for the out- Applications Information ... the charge and discharge times and therefore the frequency are independent of the supply voltage Applications Information (Continued) Figure shows the waveforms generated in this mode of operation...

Ngày tải lên: 20/08/2012, 10:04

... int y2) { int x = x1; float y = y1; float m = float(y2-y1)/(x2-x1); putpixel(x, Round(y), Color); for( int i=x1; i

Ngày tải lên: 22/08/2012, 09:25

... black box tests? -6- a) Test case coverage is used as a criterion for creating test data b) Even if the tested program contains redundant code, it cannot be detected c) A black box test focuses ... U.S and the ITSEC used for procurement by European governments? a) Criteria for assessing security related to information technology b) A standard for basic technology on information security c) ... the performance of a single CPU is 1, then the performance P of a multiprocessor containing n these CPUs is expressed as: In this formula, a is a constant which expresses the overhead For example,...

Ngày tải lên: 24/08/2012, 15:44