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Piezometer embedding device and embedding method

A technology of piezometer and fixed rod, applied in measuring devices, measuring fluid pressure, instruments, etc., can solve problems such as affecting the accuracy of testing reinforced concrete structures, complicated construction site conditions, and reduced fixing effect of wire ties, saving training. Time and training costs, good protection, effect of simple structure

Active Publication Date: 2020-09-29
NANJING HYDRAULIC RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the situation at the construction site is complicated, and it is often impossible to pour concrete into the steel cage where the piezometer is bound in time, so that the binding wires are often corroded and loose.
At this time, the fixing effect of the wire binding will be greatly reduced, resulting in inaccurate position of the piezometer, affecting the accuracy of testing the deformation and stability of reinforced concrete structures

Method used

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  • Piezometer embedding device and embedding method
  • Piezometer embedding device and embedding method
  • Piezometer embedding device and embedding method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] 1. The overall structure of the piezometer

[0044] The piezometer embedment device includes a base, a tie rod and a fixed rod 4 .

[0045] like Figure 1.1 , 1.2 As shown, the base includes a circular groove 1 , a limiting plate 2 and a lead port 3 . The circular groove (1) has a cylindrical structure with a wire drop opening on its side surface, one end of the circular groove is a plugging end, and a lead wire opening (3) is left on the plugging end. (3) The diameter is larger than the diameter of the cable of the piezometer, and the inner diameter of the circular groove 1 is larger than the diameter of the piezometer. The outer surface of the circular groove 1 is fixedly connected with at least one limit plate 2 on any cross section. It is a small iron block of a certain thickness.

[0046] like figure 2 As shown, the fixing rod 4 includes a first front and back nut 5, a first hook 6 and a rod body 8 folded with a 1 / 4 arc in the middle. The arc radius of the r...

Embodiment 2

[0064] Compared with Embodiment 1, the embedment device and embedment method of the piezometer in this embodiment will not be repeated. The difference is that the base includes a circular groove 1, a limit plate 2, and a lead port 3. The circular groove 1 is in the form of a cylindrical cup, and one end of the circular groove 1 is left with a circular opening, the circular opening is the lead opening 3, and the diameter of the The other end is closed as the bottom of the groove. The circular groove 1 is evenly provided with a plurality of circular holes penetrating the outer wall along the periphery of the outer wall. The circular holes are used to allow the water in the surrounding soil to penetrate into the circular groove 1, so as to facilitate the piezometer to measure the water pressure. The outer side of the groove bottom is provided with a fixing device which is convenient for fixing the earth pressure gauge. The fixing device is in the shape of a groove, and the groove...

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Abstract

The invention relates to a burying device and method for an osmometer. The burying device comprises a base, a pull rod and a fixing rod, wherein the base comprises a circular groove, a limit plate anda lead port; the base has a metal structure; the osmometer is arranged in the base; the fixing rod comprises a first positive and negative screw cap, a first hook and a rod with a 1 / 4 arc folded in the middle; the first hook is connected with the rod with the 1 / 4 arc folded in the middle through the first positive and negative screw cap; the fixing rod can fix the base firmly to a reinforcing steel cage; the pull rod comprises a second positive and negative screw cap, a second hook and a limit ring; the second hook and the limit ring are connected through the second positive and negative screw cap; and the osmometer can be tightened to a template by twisting the second positive and negative screw cap. The osmometer can be effectively fixed in the reinforcing steel cage, and can resist concrete impact and vibration rammer impact.

Description

technical field [0001] The invention belongs to the technical field of civil engineering, and in particular relates to a piezometer embedment device and an embedment method used in monitoring the deformation and stability of a reinforced concrete structure. Background technique [0002] With the rapid development of my country's social economy, more and more new structures have appeared in the civil engineering industry. Before the new structures are popularized and used, it is necessary to conduct on-site monitoring of the new structures to study the stress and deformation characteristics of the new structures. In the process of on-site monitoring of the structure, it is necessary to test the earth pressure of the interface between the structure and the soil. The pressure measured by the earth pressure gauge is the sum of earth pressure and water pressure. Therefore, it is necessary to install a piezometer near each earth pressure to test the pore water pressure near each m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L19/00
CPCG01L19/00
Inventor 蔡正银沈雪松关云飞曹永勇侯贺营丁大志蔡军张宁
Owner NANJING HYDRAULIC RES INST