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Engineering Construction Standard Full Text Information System
Construction Industry Standard of the People's Republic of China JG3056—1999
Digital Sticking Strength Tester
Digital Sticking Strength Tester Construction Standard
1999—03—08 Release
Release by the Ministry of Construction of the People's Republic of China
1999—10-01
.bzsso.om Engineering Construction Standard Full Text Information System
JG3056—1999
......
Cited Standards
Definition, Symbol
Product Model
Technical Requirements
Test Method
Inspection Rules||tt ||Marking, packaging, transportation and purchase and storage
Appendix A (Appendix to the standard)
Inspection equipment
Full text information system of engineering construction standards
JG3056-1999
In order to meet the instrument indicators, accuracy and range required by JGJ110-97 "Standard for the inspection of bonding strength of facing tiles in construction engineering", according to the requirements of GB/T1.3-1997 "Guidelines for standardization work Unit 1: Drafting and expression rules of standards Part 3: Regulations for the preparation of product standards", the "Digital display bonding strength tester" standard is specially formulated. Appendix A of this standard is the annex of the standard.
This standard is proposed by the Standard and Quota Research Institute of the Ministry of Construction. This standard is managed by the Construction Wangcheng Standard Technology Unit of the Ministry of Construction and the China Academy of Building Research. The drafting units of this standard are: Henan Academy of Building Science and Zhongnan Machinery Co., Ltd., Nan'an City, Fujian Province. The main drafters of this standard are: Liu Hongkui, Zhong Zhenya, Liu Xinsheng, and Huang Jianshe. This standard is entrusted to Henan Provincial Academy of Building Science for interpretation. bzsosO,co Engineering Construction Standard Full Text Information System
People's Republic of China Construction Industry Standard Digital Display Bonding Strength Tester
Digital sticking strength tester Scope
JG3056-1999
This standard specifies the technical requirements, product models, test methods, inspection rules, marking, packaging, transportation and storage of digital display bonding strength testers.
This standard applies to digital display bonding strength testers used for bonding strength testing of facing tiles in construction projects. 2 Referenced Standards
The provisions contained in the listed standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB191—1990 Pictorial markings for packaging, storage and transportation
GB/T2611—1992
2 General technical requirements for testing machines
GB/T2828—1987 Counting sampling procedures and sampling tables for batch inspection (applicable to inspection of continuous batches)GB/T65711995 Semiconductor devices Discrete devices Part 3. Signal (including switches) and adjustment diodesGB/T6587.1-1986 General outline for environmental testing of electronic measuring instrumentsGB/T6587.2—1986 Temperature test of electronic measuring instrumentsGB/T 6587.3—1986
6 Humidity test for electronic measuring instruments
GB/T6593—1986 Quality inspection rules for electronic measuring instrumentsZZJ860—1994 Verification procedures for pressure sensorsJGJ110—1997
Factory Dingxing, symbol
Standard for inspection of bonding strength of facing bricks in building engineeringXXS
This standard adopts the following definitions
3. 1.1 Adhesion
The maximum tensile force value when the interface between facing bricks and bonding layer, bonding layer itself, bonding layer and leveling layer interface, leveling layer itself, and leveling layer and substrate interface is broken by the tensile force perpendicular to the surface. 3.1.2 Adhesion strength
The adhesion force per unit area on the interface between facing bricks and bonding layer, bonding layer itself, bonding layer and leveling layer interface, leveling layer itself, and leveling layer and substrate interface.
3.1.3 Digital display bond strength tester
The bond strength tester consisting of a digital test display system and a hydraulic loading system that can meet the inspection method requirements of the JGJ110 standard.
3.1.4 Test support span
The Ministry of Construction of the People's Republic of China approved 1999-0308 and implemented on October 1, 1999
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The inner net distance of the piston frame in the hydraulic loading system of the digital display bond strength tester. 3.1.5 Standard block
The bonding block made of 45# steel or chrome steel with the dimensions of length×width×thickness of 95mm×45mm×8mm or 40mm×40mm×8mm and an allowable deviation of ±0.5mm. 3.2 Symbols
System error
Calibration point calibration value, kN;
Reading value of the meter under test, kN;
-Maximum test force, kN;
F-average reading of the calibration point, kN;
Accuracy grade.
Product model
Name code
Adhesion strength tester ZQ
Characteristic code
Digital display S
4.3 Main parameters
Maximum test force Fm
4.4 Product model
It consists of three parts: product name code, characteristic code and main parameters. If modified, the modification number will be increased and arranged in the following order: ZQ
The modification number is arranged in uppercase Chinese pinyin letters, A, B, C. Main parameter Fm value
Characteristic code
Name code
Example: After the first modification, the digital display bonding strength tester with a maximum test force of 10kN is model: ZQS10-A5
Technical requirements
5.1 Technical indicators of the tester
5.1.1 Basic parameters of the tester|| tt||The basic parameters of the detector should comply with the provisions of Table 1 Table 1 Basic parameters
Working piston stroke
Test bracket span
Maximum oil discharge of manual oil pump
Maximum pressure of manual oil pump
Standard block size, material
Basic parameters
95mmX45mmX8mm, 40mmX40mmX8mm45 steel or chrome steel
bzsosO,coEngineering Construction Standard Full Text Information System|| tt||5.1.2 General performance indicators of the detector
a) The maximum test tension should be 10kN;bzxZ.net
b) Weight: The maximum weight of the digital test display system is 5kg; the maximum weight of the hydraulic loading system is 12kg; c) Overload capacity is less than 3%;
d) The minimum resolution unit is 0.01kN
e) Insulation resistance
Power terminal to ground or housing ≥2M2;
Power terminal to input signal terminal 2MQ;||t t||f) The test peak value can be automatically maintained during the test; g) When the range is exceeded, there should be a prompt alarm; h) When the DC voltage is low and it cannot work normally, there should be a prompt alarm; i) When the instrument is powered by AC power, it can automatically cut off the battery power supply line and charge the battery. When the battery pack voltage is close to the charging value, it can automatically disconnect the charging circuit
i>The processing quality, assembly quality, quality of electrical equipment and hydraulic system of the digital display bonding strength tester shall comply with the provisions of GB/T2611.
Appearance requirements
5.2.1 The outer shell and parts of the instrument shall be free of rust, wrinkles, coating peeling and other damages. The text symbols on the instrument panel shall be clear and distinct. 5.2.2
The numbers of the instrument display value shall be clear and easy to read. 5.3 Environmental adaptability performance indicators of the detector
Ambient temperature: within the range of -10~50℃;
Ambient humidity: not more than 80%RH;
In an environment without vibration, magnetic field interference, and corrosive media; atmospheric pressure 86106kPa.
5.4 Conditions of use
The manual oil pump and force application bracket are installed on a stable entity; power supply: AC: frequency 50Hz, voltage 220V±10%, power consumption is not more than 8W. DC: 17.5V, not more than 80mA
Insulation strength, high and low temperature performance, and humidity resistance performance shall all meet the requirements of GB/T6587.1~6587.35.
Accuracy level of the detector
Accuracy level of the detectorμ=1.5
5.7 Stability
5.7.1 Digital display stability
When the input signal remains unchanged, the last digit of the digital test display system is not allowed to jump in the interval counting sequence. Note: For example, in this instrument, it is allowed to jump from 0.01-→0.02-0.03 or 0.03-0.02-→0.01, but it is not allowed to jump from 0.01→0.03 or 0.03→0.01.
5.7.2 Display and record stability
During the application of test force, the digital display device should be able to accurately indicate the size of the test force applied to the specimen at any time. The display value is allowed to flash at the critical carry value. The detector can accurately display the maximum test force after the specimen is destroyed or before the test force is removed, and it can be retained at the maximum test force for more than 1 minute to facilitate reading and recording, and the indicated value can be manually cleared. 5.7.3 Zero adjustment
The detector should have a zero adjustment device.
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5.8 Loading device performance
5.8.1 The test force of the detector should be stable, and there should be no impact or pulsation. 5.8.2 The constant load time shall not be less than 30s, and the load indication value variation range during this period shall not exceed 0.2% of the loading range of the detector. 5.9 Sample bonding device
5.9.1 The coaxiality between the center line of the tension rod of the bonding sample and the center line of the test force application device shall not be greater than 1mm. 5.9.2 The joint surface between the standard block and the sample shall be flat, with a surface roughness of Ra3.2~6.3 and a flatness of not less than level 7. Test method
Test environmental conditions
6.1.1 Ambient temperature: 20℃±50℃.
6.1.2 Relative humidity: <80%RH.
6.1.3 Atmospheric pressure: 86~106kPa.
6.1.4 Power supply:
AC voltage variation shall not exceed 10% of the rated value (220V); frequency variation shall not exceed 2% of the rated frequency (50Hz); harmonic content <5%, DC voltage 17.5V. 6.2
Inspection equipment
The requirements for inspection instruments, tools and measuring tools are shown in Appendix A (Appendix of the standard). All measuring instruments shall be calibrated and within their service life.
6.3 Inspection method
6.3.1 Appearance inspection
Use daily inspection to check all requirements in 5.2.
6.3.2 Insulation resistance
When the meter is in non-operating state and the power switch is in the on position, a 500V DC test voltage is applied between the AC power input terminal and the housing power input terminal and the signal input terminal. After stabilization for 5s, the insulation resistance should be no less than 2MQ. 6.3.3 Performance tests such as insulation strength, high and low temperature performance, humidity resistance, and environmental adaptability shall be carried out in accordance with the requirements of GB/T6587.1. 6.3.4 Reading stability
Visually check the reading and check the reading stability. It should meet the requirements of 5.7.1. 6.3.5 System error
6.3.5.1 Verification of system error
a) Accept the digital test display system and hydraulic loading system of the detector as required, and place the working cylinder assembly in the frame force measuring device. Turn on the power, preheat for 10min, load to 10kN, hold for 1min, and unload after confirming that there is no leakage in the hydraulic loading system. b) In the range of 0 to 10 kN, select 10 calibration points with calibration values of: 0.40, 0.60, 0.80, 1.00, 2.00, 3.00, 4.00, 6.00, 8.00, 10.00 kN. Adjust the display value of the dial indicator and the digital test display system to zero, press the reset button, clear button, and shake the handle evenly to load the scale of the dial indicator corresponding to each calibration point in turn, and record the display value Fi of the digital test display system at this time. c) Repeat the test three times according to the above method, and calculate the average value of the digital test display system readings at each calibration point according to the following formula F3
Fp=1/3 ≥Ps
6.3.5.2 Calculation of system error
The system error △ of the digital display bonding strength tester shall meet the following requirements: △=Fbi-FFiμ
Where: Fbi——calibration value of the ith calibration point, kN;, bzsosO, Cogong Engineering Construction Standard Full Text Information System
F——average reading of the ith calibration point, kN; μ——accuracy grade.
6.3.6 High and low temperature performance test
Test according to GB/T6587.2 temperature test method for electronic measuring instruments. 6.3.7 Humidity test
Test according to GB/T6587.3 humidity test method for electronic measuring instruments. 6.38 Inspection of the test force device
Place the working cylinder part on a frame-type force support, the piston stroke is within 10mm, the pressure sensor has been properly connected to the instrument under test, and the manual oil pump supplies oil. When the indicated value is close to the maximum measured value, the applied force and the detector tend to be stable, and the result should meet the requirements of 5.8.2.
6.3.9 Environmental adaptability test method
It should be carried out in accordance with the requirements of Articles 2, 3, and 4 of GB/T6587.1, and the result should meet the requirements of 5.3. 6.3.10 The inspection of the general performance requirements of the detector should be carried out in accordance with the relevant requirements of GB/T2611, and the result should meet the requirements of 5.1.2. 7 Inspection rules
Inspection is divided into factory inspection and type inspection. 7.2
Factory inspection
7.2.1 The products leaving the factory shall be inspected by the technical inspection department according to the items specified in 5.1.2 and 5.2 of this standard. They can leave the factory only after passing the inspection. Each batch of products shall be issued with a product certificate. 7.2.2 The measured data of the main items of the factory inspection of the digital display bonding strength tester shall be recorded in the random documents. 7.3
Type inspection
Type inspection shall be carried out in the following circumstances:
aD New product trial production or finalization identification of old product transfer production; b After the product is officially produced, its structural design materials, process and key supporting components have major changes that can affect the product performance;
c) When the product of discontinued products is reproduced;
d) When spot checks are carried out on mass-produced products; e) When the national quality supervision department conducts quality inspection or evaluation f) Continuously produced products shall be subject to type inspection once a year. 7. Sampling plan and judgment principles
The inspection of various properties shall be in accordance with the provisions of GB/T2828, using a single sampling plan. The classification of inspection items is shown in Table 2. The sampling plan and qualified judgment shall be carried out in accordance with GB/T6593.
Classification of inspection items
Inspection items
Basic parameters
System error
Insulation resistance
Insulation strength
Stability
High and low temperature performance
Unqualified classification
Type inspection
Factory inspection
Standard clauses
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Inspection items
Bonding device
Loading device
Humidity resistance test
Environmental adaptability
General performance requirements
Indicates items that must be inspected
Unqualified classification
Indicates items that are to be inspected when necessary.
Marking, packaging, transportation and storage
The detector should have a nameplate, which includes: a) name; b) model; c) factory number; d) factory date; e) manufacturing name
The packaging box should meet the basic requirements of GB191; Table 2 (end)
After packaging, it can withstand rain, sun, transportation and other requirements. The packaging box should contain a packing list, inspection certificate, and product manual. 8.3 Transportation
Type inspection
The instrument should avoid strong collision and exposure during transportation, and it is strictly forbidden to throw it during loading and unloading. 8.4 Storage
Factory inspection
Standard clauses
The packaged products should be stored in a warehouse with an ambient temperature of 5-30℃ and a relative humidity of no more than 80%. The surrounding air should be free of acidic, alkaline and other harmful gases.
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Standard dynamometer
Digital indicator
Megaohmmeter
AC regulated power supply
High voltage tester
Low temperature box
High temperature box
Humidity box
Appendix A
(Appendix to the standard)
Inspection equipment
Accuracy level or specification
Third class, 0~20kN
etc., 0~10mm
220V,5A
Output AC 50Hz, 0~2000V, power not less than 0.25kW-40℃
±60℃
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