Testing Equipment

Low strain detector for foundation pile

Profile information:
Test object: All kinds of civil and construction piles (including piles in construction and in-service piles); Test content: New foundation pile (exposed pile head): length, integrity (defect degree
basic information
Device name
Low strain detector for foundation pile
Model
SEL-PIT-R
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Details
 

测试项目

测试对象: 各类土木、建筑工程中基桩(包括施工中基桩及在役基桩);

测试内容: 新设基桩(桩头露出):长度、完整性(缺陷程度及位置范围) ;
在役基桩(有承台):长度、完整性。

 

 

产品概述

 

四川升拓检测技术股份有限公司提供基桩低应变检测仪。该设备以低应变反射波法为基础,广泛应用于各类土木、建筑工程中新设基桩、在役基桩、码头支柱以及高桥墩等柱状结构的基桩完整性测试。具有测试效率高、可靠性好等特点,采用稳定可靠的进口元器件,使得基桩长度和完整性的检测精度得到保证。

 

 

 

 
 

操作简便

 

 

测试效率高

 

可靠性好

 

专利号:ZL200910082851.4

发明专利

专利名称:消减冲击弹性波激振残留信号以识别反射波信号的方法

 

成果及技术特点

1、可以测试既有承台下基桩;

2、大幅提高了基桩长度和完整性的测试精度。

 
 

低应变反射波法是通过分析实测桩顶速度响应信号的特征检测桩身完整性,判定桩身缺陷位置及影响程度,判断桩端嵌固情况以及完整性类别。
 

测试原理及方法

 

健全基桩  

施工中基桩:

有缺陷基桩

在役(有承台)基桩:

 
 

激振/接收方式    

反射信号示意

 

基桩低应变检测仪 

 SEL-PIT

Parameter
Configuration
Case
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Video
1 ★Provide database management services, can be docked with BIM system to achieve the visualization of test results model; with the database, can be linked to test results cloud AI (artificial intelligence) analysis
2 ★Test objects: foundation piles (exposed at the end of the pile cap) and in-service piles in construction
3 ★operating system:windows
4 ★Number of channels: 2 channels (using VMC technology to expand to multiple channels), triggering channels and receiving channels are interchangeable
5 ★Waveform noise and signal processing technology: eliminating residual excitation signal; integration processing, average processing, moving smoothing、BPF、EMD
6 ★Spectrum analysis:FFT、MEM
7 Platform: Integrated Platform
8 Data acquisition: support for touch and wireless dual mode operation; support for single and continuous dual mode sampling
9 Sampling accuracy: floating point interpolation is compensated to 24 bits
10 Working hours: continuous work for more than 8 hours
11 Maximum collection points: 20000, adjustable
12 Maximum / minimum voltage can be displayed:10V/0.0001V
13 Display: LCD display1280*800                                                    
14 Maximum acquisition frequency:   500KHz, tunable
15 working temperature:0~45℃
16 Test physical quantity: acceleration (integral speed and displacement)
17 Test contents: pile length, integrity, rigidity and bearing capacity
18 Test range:0.2~30m
19 Statistical processing of results: simple averages, deviations, and elimination of abnormal data
20 Graphic processing: isoline and shading chart
21 The same screen indicates the maximum waveform number: 300 (waveform acquisition point 2048, sampling interval 4us)
22 Location information: supporting GPS positioning

 

 

广域振动信号拾取装置

 

加速度传感器

 

激振锤

 

 

遥控

放大器

 

主机

 
 
 
 
 
 
 

甘肃桥墩下基桩缺陷检测

 

天津长基桩侧壁激振试验

广西铁路架线柱基础长度检测

 
 
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