Test table of self-counter force balance loading box
A load box and self-reflexive force technology, which is applied in the direction of measuring force, measuring device, and basic structure test, can solve the problems of slow speed, heavy stacked sand bags, and large consumption, and achieve the effect of ensuring reliability
Active Publication Date: 2011-05-04
NANCHANG YONGQI TECH DEV
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Problems solved by technology
The traditional detection method is to use sandbags to counterweight on the ballast platform. Stacking sandbags is very heavy, unsafe, consumes a lot of sandbags, slow speed, and low construction efficiency; nowadays, hydraulic load boxes for pile foundations are mostly used. Perform hydraulic loading to test the bearing capacity of the pile foundation
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[0008] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0009] Example Figure 1-2 Shown: a self-reflective force balance load box test bench, the middle part of its vertical vertical plate 1 is provided with a square cavity, four vertical tubes with the same shape and size, arranged in parallel at equal intervals and sharing the same cavity axis. The upper part and the lower part of the upright board 1 are fastened and fixedly connected by the horizontal connecting column 2 between them, and the lower ends of all the vertical upright boards 1 are fastened and positioned connected with the base 10 . The horizontal plane dimensions of the top plate 4, the pressure-bearing plate 5 and the bottom plate 8 that are all in the horizontal position are equal, and the width of the top plate 4, the pressure-bearing plate 5 and the bottom plate 8 is smaller than the square cavity width of the vertical vertical plate 1,...
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The invention relates to a test table of a self-counter force balance loading box. The middle parts of straight vertical plates are provided with square hollow cavities; 2-6 blocks of the straight vertical plates which have the same size and are mutually and equidistantly arranged in parallel are fixedly connected with each other by means through horizontal connecting columns positioned thereamong; the lower ends of all straight vertical plates are fixedly connected with connected a base; a top plate, a pressure plate and a base plate which have the same horizontal size are penetrated throughthe square hollow cavities of the straight vertical plates; the upper surface of the trop plate is fixedly connected with the upper parts of the straight vertical plates, and the lower surface of thebase plate is fixedly connected with the lower parts of the straight vertical plates; and the upper plane of the base plate is symmetrically and evenly provided pressure sensors and oil return oil cylinders, the upper surfaces of the pressure sensors are provided with the pressure plate, and the pressure sensors are connected with lead wires of a computer and a display screen. The test table can detect the performances such as the locating capability of a pile base hydraulic pressure loading box, the stability of continuous loading capability, and the inner leakage and the outer leakage of a hydraulic system, and the like, and can guarantee the reliability of the pile base hydraulic pressure loading box when hydraulically loading the pile base.
Description
technical field [0001] The invention relates to a test device, in particular to a self-reflection force balance load box test bench. Background technique [0002] Construction projects, especially the construction of high-rise buildings and large structures, require the use of a large number of pile foundations. According to the requirements of the national code for quality acceptance of foundation and pile foundation projects, static load testing of the bearing capacity of test piles and engineering piles should be carried out to determine and test the bearing capacity of single piles, which is a mandatory clause for the quality acceptance requirements of foundation piles. The traditional detection method is to use sandbags to counterweight on the ballast platform. Stacking sandbags is very heavy, unsafe, consumes a lot of sandbags, slow speed, and low construction efficiency; nowadays, hydraulic load boxes for pile foundations are mostly used. Perform hydraulic loading to...
Claims
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IPC IPC(8): G01L1/00E02D33/00
Inventor 钱崑易教良
Owner NANCHANG YONGQI TECH DEV