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Experimental device and method for the whole process of concrete water cooling

A technology of water cooling and testing equipment, which is applied in the direction of measuring equipment, material inspection products, and the use of stable tension/pressure to test the strength of materials, etc., to achieve the effect of structural stability

Active Publication Date: 2018-01-19
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the influence of water pipe cooling on concrete, the influence of temperature, stress, deformation and crack development, and the degree of influence are still in the field of theoretical simulation, and there is no direct experimental verification.

Method used

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  • Experimental device and method for the whole process of concrete water cooling
  • Experimental device and method for the whole process of concrete water cooling
  • Experimental device and method for the whole process of concrete water cooling

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Embodiment Construction

[0161] The whole process test device for concrete cracking based on real environment provided by the present invention is such as figure 1 As shown, it includes a main testing machine A and an auxiliary testing machine B. There is also a computer D, which is connected to a control system D1 and a water cooling simulation system control system D2 through a data line. The control system D1 includes:

[0162] 1. The control units of the main testing machine A and auxiliary testing machine B that control various actuators of the real environment simulation system;

[0163] 2. The control unit of the actuator that controls the loading of the concrete specimen in the main testing machine A is the control unit of the power device in the loading system.

[0164] The control system D2 includes: the control unit of each actuator in the water cooling simulation system D2 in the main testing machine A that controls the temperature of the concrete specimen.

[0165] The data line of computer D is...

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Abstract

The invention provides a test device and method for the whole process of concrete water cooling. The main testing machine includes a concrete specimen accommodation device, a loading system connected to the movable chuck on the concrete specimen accommodation device, and a concrete specimen accommodation space. The water cooling simulation system is set in the center, which includes a water pipe, and the water inlet and outlet pipes pass through the accommodation space to connect with the water supply device as a circuit. There are two actuators on the circuit: a cooling device and a circulating power device; Flow meter and water temperature sensor. The invention can test the development process of the concrete's own temperature stress from pouring to hardening under the conditions of various temperature control measures, and can also simulate the real meteorological environment to simulate the temperature stress and cracking mechanism. The device can be set with different temperature and constraint conditions as required. Through the simulation test of the whole process of concrete cracking, the crack resistance performance of concrete is evaluated.

Description

Technical field [0001] The invention belongs to the technical field of water conservancy and hydropower engineering, and relates to a real environment-based simulation test method for the whole process of concrete water cooling and a test device adopting the method, more specifically, it relates to a simulation test of the whole process of water cooling of mass concrete Method and device. Background technique [0002] For a long time, "no dam, no crack" has been an unsolved world problem. The appearance of cracks affects the appearance, performance and safety of dam structures, and ultimately affects people's lives and properties. How to reduce or even prevent the occurrence of cracks has become a problem that engineering builders must consider. With the progress of theoretical and technical research in related fields, the research work on dam concrete cracks has made obvious progress, especially the work of mass concrete temperature control and crack prevention, which has forme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/18G01N3/02G01N17/00G01N33/38
Inventor 张国新刘毅王振红黄涛刘有志马文贵刘明新辛建达雷峥琦雒翔宇汪娟张仕席
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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