Ultrasonic measurement instrument for pile bottom sediment thickness

A sediment thickness and ultrasonic technology, applied in the direction of using ultrasonic/sonic/infrasonic waves, measuring devices, instruments, etc., can solve the problems of lack of authenticity and reliability, and large human errors in detection results, so as to maintain balance, ensure fluidity, and measure value-accurate effect

Inactive Publication Date: 2015-07-15
SOUTHWEST PETROLEUM UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The present invention provides an ultrasonic pile bottom sediment thickness measuring instrument to solve the technical problem that the above-mentioned pile botto

Method used

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  • Ultrasonic measurement instrument for pile bottom sediment thickness
  • Ultrasonic measurement instrument for pile bottom sediment thickness
  • Ultrasonic measurement instrument for pile bottom sediment thickness

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Embodiment Construction

[0027] For a schematic cross-sectional structure diagram of Embodiment 1 of the measuring hammer of the present invention, see figure 1 , including a hammer body 1, the hammer body 1 is an inverted cylindrical structure with a bottom, a hammer body through hole 11 is provided at the bottom center of the hammer body 1, and the hammer body through hole 11 is used for the passage of the ultrasonic probe line 3, and the ultrasonic probe line 3 and enter the measuring rope 4; on the bottom of the hammer body 1, there are two symmetrical crescent-shaped mud discharge holes 15 that pass through the inside and outside of the hammer body 1. The ultrasonic transmitting device 13 and the ultrasonic receiving device 14 are provided, and the ultrasonic transmitting device 13 and the ultrasonic receiving device 14 are centrally symmetrical with the axis of the hammer body 1; above the ultrasonic transmitting device 13 and the ultrasonic receiving device 14, the cylindrical shape of the hamme...

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Abstract

The invention relates to an ultrasonic measurement instrument for pile bottom sediment thickness. The ultrasonic measurement instrument comprises a graduated measurement rope, wherein a measurement hammer is tied at one end of the measurement rope. The ultrasonic measurement instrument is characterized in that the measurement hammer is an ultrasonic measurement hammer; an ultrasonic emission device and an ultrasonic receiving device are arranged at an interval on the ultrasonic measurement hammer and connected with an ultrasonic processing device through ultrasonic probe wires respectively; the ultrasonic processing device comprises an ultrasonic generation processor and an ultrasonic detection processor. As transmission speeds of ultrasonic waves in different mediums are different, especially the transmission speed of the ultrasonic waves in soil greatly differs from that of the ultrasonic waves in water, an ultrasonic transmission speed signal in the ultrasonic receiving device is detected through the ultrasonic detection processor by utilizing the principle to determine a pit bottom mud-water interface and a sediment bottom, and the sediment thickness can be accurately calculated and has the precision capable of reaching millimeter level.

Description

【Technical field】 [0001] The invention relates to a pile bottom sediment measuring instrument after cast-in-place piles are formed in the field of building construction, in particular to an ultrasonic pile bottom sediment thickness measuring instrument. 【Background technique】 [0002] According to the building codes and construction requirements, in order to meet the bearing capacity of the cast-in-place pile, there are strict regulations on the thickness of the sediment at the bottom of the pile after the pile is formed. Therefore, to ensure the quality of the cast-in-place pile, the thickness of the sediment at the bottom of the pile must be accurately measured; The measuring device includes a metal measuring hammer tied at the bottom end of the measuring rope. The measuring rope is composed of an outer layer and a core layer. The outer layer is sleeved on the periphery of the core layer. The lower end of the jacket layer is connected with a vertical sleeve, the bottom end...

Claims

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Application Information

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IPC IPC(8): G01B17/02
CPCG01B17/02
Inventor 胡启军叶涛蔡其杰黄超杨晓强王平徐亚辉张宣文谢永辉张宇浩轩昆鹏马绅正刘明李继梁保卫
Owner SOUTHWEST PETROLEUM UNIV
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