Ultrasonic pile bottom sediment thickness detection device and detection method

A detection device and technology for the thickness of slag, applied in the field of detection, can solve the problems of difficulty in guaranteeing detection accuracy, and achieve the effect of understanding the quality of the pile body

Active Publication Date: 2016-06-15
SOUTHWEST PETROLEUM UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

Existing sediment thickness detection mainly relies on the engineer's feel and experience to judge the sediment thickness, and the detection accuracy is difficult to guarantee

Method used

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  • Ultrasonic pile bottom sediment thickness detection device and detection method
  • Ultrasonic pile bottom sediment thickness detection device and detection method
  • Ultrasonic pile bottom sediment thickness detection device and detection method

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] Such as figure 1 As shown, the ultrasonic pile bottom sediment thickness detection device disclosed by the present invention includes a columnar steel cage 9, an ultrasonic processing device 4, a measuring assembly, a measuring tube 2, a bracket 6, an ultrasonic emitting device and an ultrasonic receiving device, and the measuring assembly includes a scaled Measuring rope 3, measuring hammer 1 and pulley 5; measuring tube 2 is an even number, measuring tube 2 is at least 4, measuring tube 2 is all laid on the outer wall of steel cage 9, measuring tube 2 is parallel to the axis of reinforcing cage 9, measuring tube 2 It can move vertically relative to the reinforcement cage 9; one end of the measuring rope 3 is connected to the measuring hammer 1, and the ot...

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Abstract

The invention relates to an ultrasonic pile bottom sediment thickness detection device and detection method. The device comprises a cylindrical steel bar cage, an ultrasonic treatment device, measuring assemblies, measuring pipes, a support, an ultrasonic transmitting device and an ultrasonic receiving device; each measuring assembly comprises a measuring rope with scales, a measuring hammer and a pulley; the measuring pipes are parallel to the axis of the steel bar cage and can vertically move relative to the steel bar cage; one end of each measuring rope is connected with the corresponding measuring hammer, and the other end of the measuring rope winds around the corresponding pulley. The method comprises the following steps that 1, the steel bar cage is pressed into the hole bottom, and the tail ends of the measuring pipes are located below the designed elevation; 2, a pair of the measuring pipes are selected as measuring channels, and a pair of the measuring hammers are put into the measuring pipes respectively; 3, the measuring hammers are synchronously descended. According to the device or the method, by selecting the different measuring channels, not only can the pile bottom sediment thickness be precisely measured, but also the sediment shape can be known, and the pile body quality can be comprehensively known.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to an ultrasonic pile bottom sediment thickness detection device and detection method. Background technique [0002] Pile bottom sediment is an important factor affecting the bearing capacity of pile foundation. Too thick sediment will produce a "soft cushion" effect, thereby reducing the bearing capacity of the pile and increasing the settlement of the pile body. Studies have shown that when the thickness of sediment increases and the strength weakens, the maximum loss of pile tip resistance can reach more than 80%, and the thicker the sediment, the greater the loss of pile foundation bearing capacity. Bottom sediment thickness of bored piles is an important indicator of hole quality, and its control and measurement measures are one of the key measures to ensure the construction quality of bored piles and the bearing capacity of pile foundations. Therefore, the corresponding cu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 胡启军张宇浩梅健何松晟蒋晶石仁丹杨媛梁保卫轩昆鹏刘明马绅正李继何天军吴咏龙
Owner SOUTHWEST PETROLEUM UNIV
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