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Underwater concrete pouring elevation control device and use method thereof

A control device, a horizontal technology, applied in construction, infrastructure engineering, etc., can solve problems such as large impact on results, waste, and power consumption for instrument use.

Active Publication Date: 2012-02-22
WUHAN SURVEYING GEOTECHN RES INST OF MCC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method often has a large error, either too much overfilling and serious waste, or it judges the thick mud as concrete, which leads to the need to connect piles after excavation, resulting in economic losses, etc., especially in the current situation where the pile diameter is getting larger and larger. , has a greater impact on the cost of the project, and has also become a measure of the level of the construction team
In response to this situation, domestic technical personnel have made a breakthrough on how to judge the height of concrete pouring under water, and invented the underwater concrete pouring height locator (application number: ZL200510024291.9 Publication number: CN1831492A) The pressure difference of other media, using single or multiple pressure sensors to monitor the pressure difference to realize the positioning of the concrete pouring level (or depth), this set of instruments requires high cost, the use of the instrument requires electricity, the use process is complicated, and generally requires a special person to be responsible , and requires the user to have a certain technical quality, and the bad weather of rain and snow has a great influence on the result
The underwater concrete sampler (ZL 200920143171.4 Authorized Notice No. CN201367588Y) uses segmented connection guide rods to connect a storage box with a valve at the bottom until the material is fished out at the design elevation and the orifice is judged. The application of this technology requires a special person to check every once in a while. It is labor-intensive and the accuracy is limited to go down into the sampler and pick up the sample to judge. In fact, it is no different from the traditional method.

Method used

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  • Underwater concrete pouring elevation control device and use method thereof
  • Underwater concrete pouring elevation control device and use method thereof
  • Underwater concrete pouring elevation control device and use method thereof

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Embodiment Construction

[0054] root tree figure 1 - Figure 6 The shown underwater concrete pouring elevation control device of the present invention includes: the assembly positioning pin 10 with a locking mechanism passes through the assembly pair piercing hole 19 of the inlaid insulating hard snap ring reserved on the lever horizontal bar 7, with a lock One end of the assembly positioning pin 10 of the stop mechanism is equipped with a locking pin 15, and the other end of the assembly positioning pin 10 of the band locking mechanism is connected with the fixing bolt 14 of the assembly device; or upper sizing rod), the upper adjusting rod 6 (or upper sizing rod) of the active rod is directly connected with the lower sizing rod 4 of the active rod, and the lowermost end of the lower sizing rod 4 of the active rod is rigidly connected with the suspension device 1, which can be used in the suspension device Bolts or rivets are fixedly connected in the upper end, and the lower end of the active rod 4 ...

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PUM

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Abstract

The invention discloses an underwater concrete pouring elevation control device, which is characterized in that one end of a lever horizontal cross rod (7) is connected with a suspension appliance (1) by using an intermediate lengthening rod (5) and an upper regulating rod (6), and the other end of the lever horizontal cross rod (7) is connected with a counter weight. The underwater concrete pouring elevation control device has the advantages that wide suitable range, simple and convenient installation method and low labor intensity, can be used for completely eliminating a concrete under-pouring phenomenon and favorably controlling an excessive over-pouring phenomenon during concrete pouring, and is beneficial to not only project cost reduction but also to great promotion of construction management level and quality of concrete pouring construction products.

Description

technical field [0001] The invention relates to the field of geotechnical engineering construction, in particular to an underwater concrete pouring elevation control device and a use method. Background technique [0002] With the implementation of my country's reform and opening up policy, the country's economic strength has been continuously enhanced, domestic engineering construction has become more and more intensive, and the foundations of high-rise buildings, expressways, high-speed railways, municipal roads, bridges, docks and other projects have increasingly adopted large-scale Diameter underwater cast-in-place piles, underground diaphragm walls. As the foundation is buried deeper and deeper, the elevation of the top of the cast-in-situ pile (the top of the continuous wall wall) as the supporting body of the foundation is getting deeper and deeper. How to accurately judge whether the underwater concrete pouring just reaches the design elevation has become an issue that...

Claims

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Application Information

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IPC IPC(8): E02D15/06
Inventor 肖玉成刘耀峰张艳军昌钰潘献义成晶
Owner WUHAN SURVEYING GEOTECHN RES INST OF MCC
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