CN103105333A - In-situ test measuring system for cross-fault buried pipeline - Google Patents
In-situ test measuring system for cross-fault buried pipeline Download PDFInfo
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Abstract
本发明公开了一种跨断层埋地管线原位试验量测系统，该量测系统包括：加载控制量测装置（1）用以控制加载位错量以及垂直运动装置（13）和水平运动装置（14）的水平加载状态；应变量测装置（2）用于测量试验管线（16）的法向、切向应变反应；位移量测装置（3）用于在地表上侧观测断层作用下埋地管线的竖向和水平方向的位移反应；内压量测装置（4）用于控制试验管线（16）内的介质工作压力；主机（5）用于对加载控制量测装置（1）、应变量测装置（2）、位移量测装置（3）和内压控制装置（4）的数据整理分析后得出验证结果。本发明提出的新型埋地管线原位试验断层反应和加载控制量测系统，试验接近实际，分析结果可靠有效。
The invention discloses an in-situ test measurement system for buried pipelines across faults. The measurement system includes: a loading control measurement device (1) used to control the amount of loading dislocation, a vertical movement device (13) and a horizontal movement device The horizontal loading state of (14); the strain measuring device (2) is used to measure the normal and tangential strain responses of the test pipeline (16); the displacement measuring device (3) is used to observe The vertical and horizontal displacement response of the ground pipeline; the internal pressure measurement device (4) is used to control the working pressure of the medium in the test pipeline (16); the main engine (5) is used to control the loading of the measurement device (1), The verification results are obtained after sorting and analyzing the data of the strain measurement device (2), the displacement measurement device (3) and the internal pressure control device (4). The novel buried pipeline in-situ test fault response and loading control measurement system proposed by the invention is close to the actual test, and the analysis result is reliable and effective.
Description
Technical field
The present invention relates to a kind of across tomography buried pipeline in-situ test measurement system, more particularly relate to a kind of test site in position and carry out test measurement and the Loading Control System of buried pipeline tomography reaction, be mainly used in observing and monitor process and reaction across tomography buried pipeline in-situ test.
Background technology
Buried pipeline occupies important position in modern production, life, be important urban lifeline engineering.The buried pipeline system is typical line, net engineering, inevitably need pass through some antidetonations unfavorable or dangerous regions, and crossover fault is exactly buried pipeline one of the key project problem that solves of having to face and need.Need reliably accurately the actual data of destroying as Research foundation across tomography buried pipeline stress performance and failure mechanism, data acquisition is the most reliable, the most direct method is actual seismic observation or test, and test is the most effective method in practical engineering application.Mostly be greatly model test when now adopting the mechanical characteristic of research technique research buried pipelines crossing fault and failure mechanism thereof both at home and abroad, carry out in the laboratory.Model test is inevitably brought the problems such as size effect, boundary condition error, can not reflect well the faulting response characteristic of buried pipelines crossing fault.In-situ test can overcome the deficiency of model test preferably, but the place loads tomography and implements and control more difficult realization in position, and the tomography reaction of pipeline is carried out underground observation and also there is certain difficulty in data acquisition.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of measurement system across the reaction of tomography buried pipeline tomography for the simulation of place in position fault movements is provided, its purpose is: the hierarchical loading condition of 1. controlling accurately and efficiently and implement the tomography in-situ test; 2. solve due to the overlying soil impact, thereby react the problem that is difficult to observe across tomography buried pipeline in-situ test tomography.
The objective of the invention is to solve by the following technical programs:
A kind of across tomography buried pipeline in-situ test measurement system, it is characterized in that described measurement system comprises:
The Loading Control measuring equipment, in order to the horizontal stress state of controlled loading dislocation amount and vertical movement device and horizontal movement device, and correspondence is exported metric data to main frame after measuring;
The strain measurement device is used for measurement and tests the normal direction of pipeline, tangential strain reaction, and correspondence is exported metric data to main frame after measuring;
Displacement measuring means, for the displacement response of the vertical and horizontal direction of buried pipeline under earth's surface upside observation faulting, and in measuring rear correspondence output metric data to main frame;
Interior pressure measuring equipment is used for the medium working pressure in the Control experiment pipeline, and in measuring rear corresponding output metric data to main frame;
Main frame is used for the data that Loading Control measuring equipment, strain measurement device, displacement measuring means and internal pressure controlling device transport are carried out drawing the result after finishing analysis.
Described test pipeline adopts hot melt to connect and compose.
Described Loading Control measuring equipment comprises vertical loading control device, horizontal add load control and data collector, and the level of vertical loading dislocation component, pressure state and the horizontal add load control of vertical loading control device loads the dislocation component, pressure state exports main frame to by data collector.
Described vertical loading control device comprises vertical loading displacement meter and vertical loading pressure transducer, and this vertical loading displacement meter is arranged in the outside, bottom of vertical movement device, and the vertical loading pressure transducer is arranged in the loading Position of vertical movement device; Horizontal add load control comprises that horizontal load deflection meter and level load soil pressure cell, and horizontal load deflection meter is arranged in the outside of horizontal movement device, and level loads upside and the downside that soil pressure cell is positioned at the inboard of horizontal movement device and is positioned at the test pipeline; Above-mentioned vertical movement device and horizontal movement device are positioned at the inside of counterforce device and the base plate upside that horizontal movement device is positioned over vertical movement device.
Described data collector comprises hand data collection instrument, automatic data collection analytic system and soil pressure exclusive data Acquisition Instrument, described hand data collection instrument is connected with vertical loading displacement meter in the vertical loading control device by data line, the automatic data collection analytic system is connected with horizontal load deflection meter in horizontal add load control by the vertical loading pressure transducer in data line and vertical loading control device respectively, and soil pressure exclusive data Acquisition Instrument loads soil pressure cell by data line and level in horizontal add load control and is connected.
Described strain measurement device comprises the static Acquisition Instrument of resistance strain gage and automatic data collection, and the real time data of resistance strain gage is delivered to main frame after by the static Acquisition Instrument collection of automatic data collection.
Described displacement measuring means comprises displacement indicating mechanism and displacement measurement equipment, this displacement indicating mechanism comprises cuff, displacement pointer, coupling bolt, the displacement pointer lower end of arranging straight up is fixed on cuff, and cuff is fixed on the test pipeline by coupling bolt; Described displacement measurement equipment comprises transit and spirit-leveling instrument, and transit and spirit-leveling instrument are delivered to main frame with the displacement pointer respectively after the displacement response record of vertical and horizontal direction.
The outside of described displacement pointer is provided with protective casing.
Described interior pressure measuring equipment comprises pipe pressure visualizer, and pipe presses visualizer to be arranged on the place, medium inlet of test pipeline.
The present invention has the following advantages compared to existing technology:
The present invention is based on across tomography buried pipeline in-situ test, one novel buried pipeline in-situ test tomography reaction amount measuring system and the Loading Control measurement system of cover proposed, this Loading Control measurement system can realize accurately and effectively that every grade of the test design defined loads dislocation amount and guarantees to load telecontrol equipment without tangential movement obliquely, and this measurement system can be truly, exactly the tomography reaction of in-situ test pipeline is observed and controlled; The impact of the physical presence factors such as the duty state of this measurement system consideration test pipeline and developmental tube wire terminal, and the duty of pipeline is controlled the actual forced status of more approaching test pipeline, the observation and analysis result is more reliable effectively, and the test that can be widely used in buried pipeline tomography reaction stress performance and failure mechanism measures.
Description of drawings
Accompanying drawing 1 is measurement system principle schematic of the present invention;
Accompanying drawing 2 is test unit structural representation of the present invention;
Accompanying drawing 3 is that developmental tube line strain of the present invention measures schematic diagram;
Accompanying drawing 4 is developmental tube line resistance foil gauge deployment scenarios schematic cross-section of the present invention;
Accompanying drawing 5 is that developmental tube displacement of the lines measurement system of the present invention is arranged schematic diagram;
Accompanying drawing 6 is developmental tube displacement of the lines of the present invention indicating mechanism structural representation;
Accompanying drawing 7 is to press measuring equipment to arrange schematic diagram in test pipeline of the present invention;
Accompanying drawing 8 is that Loading Control measuring equipment of the present invention is arranged one of schematic diagram;
Accompanying drawing 9 is two of Loading Control measuring equipment layout schematic diagram of the present invention.
Wherein: 1-Loading Control measuring equipment; 2-strain measurement device; 3-displacement measuring means; 4-interior pressure measuring equipment; 5-main frame; 6-vertical loading control device; 7-horizontal add load control; 8-data collector; 9-vertical loading displacement meter; 10-vertical loading pressure transducer; 11-horizontal load deflection meter; 12-level loads soil pressure cell; 13-vertical movement device; 14-horizontal movement device; 15-counterforce device; 16-test pipeline; 17-hand data collection instrument; 18-automatic data collection analytic system; 19-soil pressure exclusive data Acquisition Instrument; 20-resistance strain gage; The static Acquisition Instrument of 21-automatic data collection; 22-displacement indicating mechanism; 23-displacement measurement equipment; 24-cuff; 25-displacement pointer; 26-coupling bolt; 27-transit; 28-spirit-leveling instrument; 29-protective casing; 30-pipe is pressed visualizer.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing and embodiment.
As shown in Fig. 1-9: a kind of across tomography buried pipeline in-situ test measurement system, this measurement system comprises: Loading Control measuring equipment 1, in order to the horizontal stress state of controlled loading dislocation amount and vertical movement device 13 and horizontal movement device 14, and correspondence is exported metric data to main frame 5 after measuring; Strain measurement device 2 is used for measurement and tests the normal direction of pipeline 16, tangential strain reaction, and correspondence is exported metric data to main frame 5 after measuring; Displacement measuring means 3, for the displacement response of the vertical and horizontal direction of buried pipeline under earth's surface upside observation faulting, and in measuring rear correspondence output metric data to main frame 5; Interior pressure measuring equipment 4 is used for the medium working pressure in Control experiment pipeline 16, and in measuring rear corresponding output metric data to main frame 5; Main frame 5 is used for the data that Loading Control measuring equipment 1, strain measurement device 2, displacement measuring means 3 and internal pressure controlling device 4 transport are carried out drawing the result after finishing analysis.
Above-mentioned Loading Control measuring equipment 1 comprises vertical loading control device 6, horizontal add load control 7 and data collector 8, and the level of vertical loading dislocation component, pressure state and the horizontal add load control 7 of vertical loading control device 6 loads the dislocation component, pressure state exports main frame 5 to by data collector 8.Wherein vertical loading control device 6 comprises vertical loading displacement meter 9 and vertical loading pressure transducer 10, this vertical loading displacement meter 9 is arranged in the outside, bottom of vertical movement device 13 in order to control every grade of vertical component that loads dislocation of in-situ test tomography, vertical loading pressure transducer 10 is arranged in the loading Position of vertical movement device 13, each load(ing) point is correspondingly arranged a vertical loading pressure transducer 10, loads by each that control each vertical loading pressure transducer 10 in test that step increment is identical realizes loading without level of incline of vertical movement device 13; Horizontal add load control 7 comprises that horizontal load deflection meter 11 and level load soil pressure cell 12, horizontal load deflection meter 11 is arranged in the outside of horizontal movement device 14 in order to control every grade of horizontal component that loads dislocation of in-situ test tomography, and 2 levels load upside and the downside that soil pressure cell 12 all is positioned at the inboard of horizontal movement device 14 and is symmetricly set on test pipeline 16; Above-mentioned horizontal movement device 14 mainly provides the horizontal motion components of artificial tomography in the original position simulation test, vertical movement device 13 mainly provides the vertical motion component of artificial tomography in the original position simulation test, vertical movement device 13 and horizontal movement device 14 are positioned at the inside of counterforce device 15 and the base plate upside that horizontal movement device 14 is positioned over vertical movement device 13, counterforce device 15 is mainly the in-situ test counter-force pedestal that tomography loads, and the integrated poured moulding of reinforced concrete structure is adopted in the testing ground in position.data collector 8 comprises hand data collection instrument 17 in addition, automatic data collection analytic system 18 and soil pressure exclusive data Acquisition Instrument 19, wherein automatic data collection analytic system 18 adopts 1/4th bridge circuit automatic data collection analytic systems, above-mentioned hand data collection instrument 17 is connected with vertical loading displacement meter 9 in vertical loading control device 6 by data line, automatic data collection analytic system 18 is connected with horizontal load deflection meter 11 in horizontal add load control 7 by the vertical loading pressure transducer 10 in data line and vertical loading control device 6 respectively, soil pressure exclusive data Acquisition Instrument 19 loads soil pressure cell 12 by the level in data line and horizontal add load control 7 and is connected.
Above-mentioned strain measurement device 2 comprises resistance strain gage 20 and the static Acquisition Instrument 21 of automatic data collection; the real time data of resistance strain gage 20 is delivered to main frame 5 after gathering by the static Acquisition Instrument 21 of automatic data collection; during installation according to test design at the corresponding position adhering resistance strain sheets 20 of the test pipeline 16 that adopts hot melt to connect and compose and detect, detect resistance strain gage 20 to be connected with data line respectively after intact and in resistance strain gage 20 peripheries, protective device to be set and carry out protection against the tide, crashproof processing.
above-mentioned displacement measuring means 3 comprises displacement indicating mechanism 22 and displacement measurement equipment 23, this displacement indicating mechanism 22 comprises cuff 24, displacement pointer 25, coupling bolt 26, displacement pointer 25 lower ends of arranging straight up are fixed on cuff 24, cuff 24 is fixed on test pipeline 16 by coupling bolt 26, the cuff 24 of displacement indicating mechanism 22 is arranged near the of resistance strain gage 20 and is close to the place, protective device place of resistance strain gage 20, displacement pointer 25 distortion of the PVC protective casing 29 of the arranged outside certain diameter of displacement pointer 25 in order to avoid causing due to soil body extruding in loading procedure, the radius of protective casing 29 should be not less than the horizontal dislocation amount of tomography, earth's surface, outstanding in-situ test place, the termination of displacement pointer 25, utilizing displacement measurement equipment 23 in test is that transit 27 and spirit-leveling instrument 28 observations are given prominence to the displacement pointer 25 on earth's surface in order to explain the fault displcement reaction of buried pipeline, be that transit 27 and spirit-leveling instrument 28 are delivered to main frame 5 with displacement pointer 25 respectively after the displacement response record of vertical and horizontal direction.
Above-mentioned interior pressure measuring equipment 4 comprises pipe pressure visualizer 30, the medium inlet place of test pipeline 16 is positioned at the far-end of test pipeline 16 and is connected with the medium source at in-situ test scene, the media outlet place of test pipeline 16 is positioned at the loading end of test pipeline 16 and is connected to the outside, test site by pipeline, the place, medium inlet of test pipeline 16 arranges pipe and presses visualizer 30 in order to control the working pressure of in-situ test buried pipeline, and the place, medium gateway of test pipeline 16 arranges by-pass valve control.
Embodiment 1
The present embodiment optional test place is in Nanjing, and adopts simulation Nanjing public supply mains to carry out the checking of tested number examining system.The concrete steps of this test are as follows:
Counterforce device 15 is also built in a, optional test place, then vertical movement device 13 and horizontal movement device 14 are erected in counterforce device 15, simultaneously vertical loading displacement meter 9 and horizontal load deflection meter 10 are placed on the position that the interior test design of vertical movement device 13 and horizontal movement device 14 is set;
b, test pipeline 16 is selected Nanjing urban water supply HDPE pipe commonly used, method joint test pipeline 16 by electric melting connection, then resistance strain gage 20 and displacement indicating mechanism 22 are shifted to install on test pipeline 16 according to the test design arrangement requirement, wherein test on each strain measurement cross section of pipeline 16 and arrange four measuring points, be to post four resistance strain gages 20 on each strain measurement cross section, the outside of resistance strain gage 20 is provided with protective device it is carried out protection against the tide, crashproof parcel is processed, consider the actual loading situation of test pipeline under faulting, arrange that along developmental tube line length direction resistance strain gage 20 spacing in cross section is taken as 500 mm near tomography causes the soil body zone of fracture, arrange that along developmental tube line length direction resistance strain gage 20 spacing in cross section increases to 1000 mm away from fault region, consider simultaneously the first dress stress effect of hot melting connector, the resistance strain gage 20 of the hot melting connector left and right sides arranges that the spacing in cross section is taken as 500 mm, to arrange straight up and be provided with diameter in the outside of pipeline displacement pointer 25 be 100 mm to pipeline displacement pointer 25 in addition, length is that the PVC protective casing 29 of 1000 mm produces distortion to prevent the extruding that pointer is subject to surrounding soil, in test, pipeline displacement pointer 25 is positioned at the home position of PVC protective casing 29,
C, by data line, resistance strain gage 20 is connected to respectively the automatic data collection statical strain indicator 21 of 60 interfaces and two 20 interfaces respectively, vertical loading displacement meter 9 is connected to hand data collection instrument 17 by data line, vertical loading pressure transducer 10 and horizontal load deflection meter 11 are connected to the automatic data collection analytic system 18 of 1/4th bridge circuits by data line, level loads soil pressure cell 12 and is connected to soil pressure exclusive data Acquisition Instrument 19 by data line;
d, supply water with HDPE pipe construction standard excavation pipe trench according to Nanjing, pipe trench adopts artificial straight-arm excavation, bottom of trench to surface distance is taken as 1200 mm, after adopting steel flange to seal, the both ends that then will test pipeline 16 pick out water pipe and oral siphon, pipe is set in the water inlet position of test pipeline 16 in addition presses visualizer 30 in order to the variation of test pipeline 16 interior hydraulic pressure in observation experiment at any time, water in-out port place at test pipeline 16 arranges valve in order to control the size of pressing in pipeline, on-site hoisting test pipeline 16 in place after the bottom of trench backfill is smooth, wherein test on an end setting of pipeline 16 and horizontal movement device 14 the loading end constraint condition as test pipeline 16,
The backfill soil on pipeline 16 tops is tested in e, backfill and tamping in layers, and stablize protective casing 29 positions in backfilling process so that displacement pointer 25 is positioned at the home position of protective casing 29 as far as possible, require simultaneously the compacting rate of backfill soil must not be less than 80%, adopt in addition method that transit 27 and spirit-leveling instrument 28 combine to measure the planimetric coordinates of the displacement pointer 25 that stretches out the earth's surface and vertical elevation in order to describe the fault displcement reaction of buried pipeline;
F, oral siphon place valve is debugged and opened to instrument and loading system test pipeline 16 is carried out water filling can normally move with testing instruments equipment, and by pressing in pipeline visualizer 30 real-time monitored pipelines, this in-situ test HDPE water supply pressure size is for putting into domestic water standard hydraulic pressure in the working-yard;
g, formally load after check is normal, the mode that process of the test adopts displacement to control is carried out, being divided into 8 grades loads, load step is as shown in table 1, and tomography loads dislocation and controls with the major control condition of vertical load deflection as test, simultaneously complete loadings at different levels according to the mode that first applies the tomography horizontal dislocation and apply again vertical fault, acquisition test data after 2 minutes are completed in every grade of loading, wherein the horizontal shift of the position pointer 25 on every grade of post loading test pipeline 16 and vertical displacement utilize differential technique to calculate after adopting transit 27 and spirit-leveling instrument 28 to measure, namely stop loading data acquisition after reaching the tomography limit dislocation amount of test design, at last the data that gather are carried out drawing the result after finishing analysis.The result demonstration, this test method successfully to having carried out experimental study across trap-up urban water supply HDPE pipeline under service state, has been carried out verification experimental verification to stress performance and failure mechanism across the tomography buried pipeline.
Table 1 Nanjing feed pipe is across the load step of tomography buried pipeline test.
Counterforce device 15 is also built in optional test of the present invention place, the tomography that is provided as by vertical movement device 13 and horizontal movement device 14 is sent out shake basement rock and soil body far-end boundary condition, vertical dislocation component and the horizontal dislocation sort capacity of artificial tomography have been realized, have without adding breaking joint in advance, without soil boundary and the real characteristics that rupture; The impact of the physical presence factors such as the joint of invention consideration test pipeline 16, load condition, the actual forced status of more approaching test pipeline 16, analysis result is more reliable effectively; This invention utilizes the tomography reaction of buried pipeline strain measurement device 2 and 3 pairs of in-situ test pipelines of displacement measuring means to measure, the means of buried pipeline tomography reaction have been realized observing by on-ground measurement, and the interior pressure by test pipeline 16 in pipeline working inner pressure measuring equipment 4 observation in-situ tests, the actual working state of having considered test pipeline 16 is more near the stress of actual pipeline; This invention utilizes 1 pair of test loading procedure of in-situ test Loading Control measuring equipment to measure and control, and has realized that the loading procedure of in-situ test detects and controls, and the in-situ test that this invention can be widely used in the reaction of buried pipeline tomography measures and study on monitoring.
Above embodiment only for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought that proposes according to the present invention, and any change of doing on the technical scheme basis is within all falling into protection domain of the present invention; The technology that the present invention does not relate to all can be realized by prior art.
Claims (9)
1. one kind across tomography buried pipeline in-situ test measurement system, it is characterized in that described measurement system comprises:
Loading Control measuring equipment (1), in order to the horizontal stress state of controlled loading dislocation amount and vertical movement device (13) and horizontal movement device (14), and correspondence is exported metric data to main frame (5) after measuring;
Strain measurement device (2) is used for measurement and tests the normal direction of pipeline (16), tangential strain reaction, and correspondence is exported metric data to main frame (5) after measuring;
Displacement measuring means (3), for the displacement response of the vertical and horizontal direction of buried pipeline under earth's surface upside observation faulting, and in measuring rear correspondence output metric data to main frame (5);
Interior pressure measuring equipment (4) is used for the medium working pressure in Control experiment pipeline (16), and in measuring rear corresponding output metric data to main frame (5);
Main frame (5) is used for the data that Loading Control measuring equipment (1), strain measurement device (2), displacement measuring means (3) and internal pressure controlling device (4) transport are carried out drawing the result after finishing analysis.
2. according to claim 1 across tomography buried pipeline in-situ test measurement system, it is characterized in that described test pipeline (16) adopts hot melt to connect and compose.
3. according to claim 1 across tomography buried pipeline in-situ test measurement system, it is characterized in that described Loading Control measuring equipment (1) comprises vertical loading control device (6), horizontal add load control (7) and data collector (8), the level of the vertical loading dislocation component of vertical loading control device (6), pressure state and horizontal add load control (7) loads the dislocation component, pressure state exports main frame (5) to by data collector (8).
4. according to claim 3 across tomography buried pipeline in-situ test measurement system, it is characterized in that described vertical loading control device (6) comprises vertical loading displacement meter (9) and vertical loading pressure transducer (10), this vertical loading displacement meter (9) is arranged in the outside, bottom of vertical movement device (13), and vertical loading pressure transducer (10) is arranged in the loading Position of vertical movement device (13); Horizontal add load control (7) comprises that horizontal load deflection meter (11) and level load soil pressure cell (12), horizontal load deflection meter (11) is arranged in the outside of horizontal movement device (14), and level loads upside and the downside that soil pressure cell (12) is positioned at the inboard of horizontal movement device (14) and is positioned at test pipeline (16); Above-mentioned vertical movement device (13) and horizontal movement device (14) are positioned at the inside of counterforce device (15) and the base plate upside that horizontal movement device (14) is positioned over vertical movement device (13).
5. according to claim 3 across tomography buried pipeline in-situ test measurement system, it is characterized in that described data collector (8) comprises hand data collection instrument (17), automatic data collection analytic system (18) and soil pressure exclusive data Acquisition Instrument (19), described hand data collection instrument (17) is connected with vertical loading displacement meter (9) in vertical loading control device (6) by data line, automatic data collection analytic system (18) is connected with horizontal load deflection meter (11) in horizontal add load control (7) by the vertical loading pressure transducer (10) in data line and vertical loading control device (6) respectively, soil pressure exclusive data Acquisition Instrument (19) loads soil pressure cell (12) by the level in data line and horizontal add load control (7) and is connected.
6. according to claim 1 across tomography buried pipeline in-situ test measurement system, it is characterized in that described strain measurement device (2) comprises resistance strain gage (20) and the static Acquisition Instrument (21) of automatic data collection, the real time data of resistance strain gage (20) is delivered to main frame (5) after gathering by the static Acquisition Instrument of automatic data collection (21).
7. according to claim 1 across tomography buried pipeline in-situ test measurement system, it is characterized in that described displacement measuring means (3) comprises displacement indicating mechanism (22) and displacement measurement equipment (23), this displacement indicating mechanism (22) comprises cuff (24), displacement pointer (25), coupling bolt (26), displacement pointer (25) lower end of arranging straight up is fixed on cuff (24), and cuff (24) is fixed on by coupling bolt (26) and tests on pipeline (16); Described displacement measurement equipment (23) comprises transit (27) and spirit-leveling instrument (28), and transit (27) and spirit-leveling instrument (28) are delivered to main frame (5) with displacement pointer (25) respectively after the displacement response record of vertical and horizontal direction.
8. according to claim 7 across tomography buried pipeline in-situ test measurement system, it is characterized in that the outside of described displacement pointer (25) is provided with protective casing (29).
9. according to claim 1 across tomography buried pipeline in-situ test measurement system, it is characterized in that described interior pressure measuring equipment (4) comprises pipe pressure visualizer (30), pipe presses visualizer (30) to be arranged on the place, medium inlet of test pipeline (16).
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