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Method for monitoring foundation settlement by using static water level gauge and static water level gauges used in method

A technology of static level and foundation settlement, which is applied in the direction of equal hydrostatic pressure to achieve the effect of eliminating measurement errors

Inactive Publication Date: 2012-06-13
上海同禾工程科技股份有限公司
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Problems solved by technology

[0003] The object of the present invention is to solve the defects of the existing static level monitoring system, and to design a method for monitoring foundation settlement with a static level that is not affected by temperature and atmospheric pressure

Method used

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  • Method for monitoring foundation settlement by using static water level gauge and static water level gauges used in method
  • Method for monitoring foundation settlement by using static water level gauge and static water level gauges used in method
  • Method for monitoring foundation settlement by using static water level gauge and static water level gauges used in method

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Embodiment Construction

[0022] According to attached figure 1 , a method for monitoring foundation settlement with a static level and the static level used in the present invention, the static level is composed of a gauge pressure sensor 7 and a bracket, a liquid container 2 and a sensor chamber 6, and the liquid container 2 and the sensor chamber 6 are connected by brackets 4 with through holes. The support divides the liquid container and the sensor chamber into two parts. The gauge pressure sensor 7 is installed on the bottom side of the center of the support and connected to the liquid container 2 . The liquid in the liquid container 2 can sense the gauge pressure sensor 7, but cannot penetrate into the sensor chamber. The top of the liquid container 2 is provided with a liquid container vent 1 , the bottom side wall of the liquid container 2 is provided with a liquid communication port 8 , and the upper side wall of the sensor compartment 6 is provided with a sensor compartment vent 5 . The l...

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Abstract

The invention provides a method for monitoring foundation settlement by using a static water level gauge and static water level gauges used in the method. Each static water level gauge is provided with a liquid communication opening; one static water level gauge is set to be a standard point and one static water level gauge is arranged at each point of a plurality of points to be measured; the liquid communication opening of the liquid container of the static water level gauge at the standard point is connected in series with the liquid communication openings of liquid containers of the static water level gauges at the points to be measured through liquid communication pipes. The static water level gauges are characterized in that: a liquid container air vent is arranged at the top part of the liquid container of each static water level gauge and a pressure senor cabin air vent is arranged on a pressure senor cabin, so that the influences of temperature and pressure of atmosphere are eliminated; based on a water level balance principle, a time slot foundation settlement value of a point to be measured is a difference value between a liquid level height hi of the static water level gauge at the point to be measured and the liquid level height h0 of the static water level gauge at the standard point, namely delta hi=h0-hi. According to the invention, the problem that a static water level system is easily affected by temperature and atmosphere change is solved.

Description

technical field [0001] The invention relates to a building settlement monitoring method, in particular discloses a method for monitoring foundation settlement with a static level, which is suitable for the settlement monitoring of buildings such as bridges, dams and houses, and belongs to the field of civil engineering detection. Background technique [0002] Construction on the ground, such as buildings, bridges, dams, etc., will cause foundation settlement. Static levels are common equipment for monitoring such settlements. Most of the static levels in the past adopt the float type detection method, and the water level is converted into an electrical signal by a displacement sensor, and then read out by a secondary instrument. This type of method has two significant defects: that is, the volume of the liquid is significantly affected by atmospheric pressure and temperature. will lead to large measurement errors. To eliminate these effects, it is necessary to add addition...

Claims

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Application Information

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IPC IPC(8): G01C5/04
Inventor 姚鸿梁钟小滨曾令锋刘怀峰
Owner 上海同禾工程科技股份有限公司
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