CN205120093U - Novel test is subsided on earth's surface device - Google Patents

Novel test is subsided on earth's surface device Download PDF

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Publication number
CN205120093U
CN205120093U CN201520858691.9U CN201520858691U CN205120093U CN 205120093 U CN205120093 U CN 205120093U CN 201520858691 U CN201520858691 U CN 201520858691U CN 205120093 U CN205120093 U CN 205120093U
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China
Prior art keywords
rigidity rope
mass
fixed
ground settlement
pulley
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Withdrawn - After Issue
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CN201520858691.9U
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Chinese (zh)
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王奎华
王磊
张鹏
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The utility model discloses a novel test is subsided on earth's surface device, it includes strutting arrangement, pulley, quality piece, percentage table, rigidity rope and sleeve pipe, the pulley is fixed in the interior top of strutting arrangement, the pulley is walked around to rigidity rope, and one end is passed the sleeve pipe and is fixed in during the earth's surface below stablizes soil layer or basement rock position, and the other end links to each other with the quality piece, makes the quality piece hang perpendicularly on the rigidity rope, the percentage table is connected with the contact of quality piece for the vertical bit of monitoring quality piece moves. Rigidity rope one end can adopt lug connection or be connected through the movable pulley with the mode that the quality piece links to each other. Monitoring data accessible data line is used for the remote monitoring with wireless transmission module. It supplies power for test instrument to install available solar cell. The utility model discloses measurement accuracy can be improved greatly, stability of measuring tool is improved, realize real -time automatic remote monitoring simultaneously, saved a large amount of manpower and materials, reduced the monitoring cost.

Description

A kind of novel ground settlement proving installation
Technical field
The utility model relates to civil engineering work field tests, particularly the novel ground settlement proving installation of one.
Background technology
At roadbed filling, excavation of foundation pit, large-scalely to build, in structures work progress, ground settlement is the important indicator of a monitoring, tradition earth's surface Monitoring method of the subsidence mainly adopts spirit-leveling instrument, electromagnetic type sedimentometer etc., mainly there is following shortcoming in these method of testings: 1) needs manual operation, automatic measurement can not be realized, remote monitoring cannot be realized, and measurement result is affected by human factors greatly; 2) when there is barrier, adopting optical instrument unsighted, testing very difficult, need to draw a measurement, error increases; 3), in road, construction of structures construction work, because place is limited, bothersome effort is tested.Therefore, need badly exploitation a kind of can automation remote monitoring, measure accurate, simple to operate, cheap surface subsidence monitoring device.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of novel ground settlement proving installation, make ground settlement test can realize automation remote monitoring, measure accurate, simple to operate.Concrete technical scheme is as follows:
A kind of novel ground settlement proving installation, comprise bracing or strutting arrangement, pulley, mass, dial gauge, rigidity rope and sleeve pipe, pulley is fixed on bracing or strutting arrangement inner top; Pulley walked around by rigidity rope, and one end is fixed in earth's surface lower stable soil layer or basement rock position through sleeve pipe, and the other end is connected with mass, makes mass vertical hanging on rigidity rope; Dial gauge contacts with mass and connects, for the perpendicular displacement of monitoring quality block.
As preferably, described mass is directly fixedly connected with rigidity rope one end.
As preferably, described rigidity rope is connected by a travelling block with mass, and rigidity rope is fixed on bracing or strutting arrangement device inner top through travelling block, and mass is fixed on travelling block, mass is fixed by transversal displacement stationary installation, makes that it can only move in the vertical direction and horizontal direction can not produce displacement.
As preferably, described rigidity rope is connected with rigidity rope fixed head through one end of sleeve pipe, and rigidity rope fixed head is laid in anchoring enlarged footing.
As further preferred, described dial gauge is connected with for the wireless transport module received with send data by data line.
As wireless transport module further preferably, described wireless transport module to be connected with solar panel by power transmission line and to power.
As preferably, described bracing or strutting arrangement is rigid seal shell, and bottom is provided with the through hole passed for sleeve pipe.
On above-mentioned ground settlement proving installation basis, the utility model additionally provides a kind of ground settlement method of testing using described device, comprises the following steps:
Step 1): at earth's surface punching also mounting sleeve, make sleeve bottom be positioned at steady soil or basement rock position, and rigidity rope is fixed on steady soil or basement rock position through sleeve pipe;
Step 2): bracing or strutting arrangement is positioned over earth's surface, and rigidity rope passes perpendicularly through sleeve pipe, and is connected with mass by the pulley being fixed on bracing or strutting arrangement;
Step 3): utilize dial gauge to measure the perpendicular displacement of mass relative to earth's surface, and measured value is scaled ground settlement value.
Preferred as the method, described step 1) in, sleeve pipe in a pre-installation bottom places expansive cement or superpolymer in advance, rigidity rope one end is passed sleeve bottom and is connected on rigidity rope fixed head, again with sleeve bottom after steady soil or basement rock position, in pipe, water filling makes expansive cement or polymer reaction expand, and obtains the anchoring enlarged footing at the bottom of hole.
Preferred as the method, the data that described dial gauge measurement obtains are sent by wireless transport module, and wireless transport module is powered by solar panel; Cure process is carried out bottom ground settlement proving installation.
Contrast prior art, the utility model has following beneficial effect: 1) except the apparatus installation stage, there is not manual operation, greatly reduce measuring error; 2) because optical instrument itself exists not high, the affected by environment unfavorable factor such as larger of precision, the utility model is therefore adopted greatly can to improve measuring accuracy, improve Measurement sensibility; 3) achieve the monitoring of real-time automation remote, save a large amount of manpower and materials, reduce monitoring cost, when setting alarming value, capable of automatic alarm; 4) be specially adapted to monitor narrow space, exist compared with the highway in multi-obstacle avoidance or operation and railway, greatly improve monitoring efficiency.
Accompanying drawing illustrates:
Fig. 1 is the first embodiment schematic diagram of ground settlement proving installation of the present utility model;
Fig. 2 is the second embodiment schematic diagram of ground settlement proving installation of the present utility model;
Fig. 3 is the schematic diagram of anchoring enlarged footing of the present utility model;
Fig. 4 is the third embodiment schematic diagram of ground settlement proving installation of the present utility model;
Fig. 5 is the 4th kind of embodiment schematic diagram of ground settlement proving installation of the present utility model.
In figure: solar panel 1, containment vessel 2, bracing or strutting arrangement 3, power transmission line 4, pulley 5; mass 6, wireless transport module 7, data line 8, dial gauge 9, rigidity rope 10; sleeve pipe 11, rigidity rope fixed head 12, anchoring enlarged footing 13, travelling block 14 and transversal displacement stationary installation 15.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is further elaborated.Just can mutually combine as long as technical characteristic involved in each described below embodiment does not form conflict each other.
As shown in Fig. 1 ~ 2, a kind of novel ground settlement proving installation, comprises bracing or strutting arrangement 3, pulley 5, mass 6, dial gauge 9, rigidity rope 10 and sleeve pipe 11, and pulley 5 is fixed on bracing or strutting arrangement 3 inner top; Pulley 5 walked around by rigidity rope 10, and one end is also moved for being fixed in earth's surface lower stable soil layer or basement rock position through sleeve pipe 11 thereupon, and the other end is connected with mass 6, makes mass 6 vertical hanging on rigidity rope 10; Dial gauge 9 contacts with mass 6 and connects, for the perpendicular displacement of monitoring quality block 6.
Because rigidity rope 10 one end is mounted in steady soil or basement rock, therefore can think that vertical displacement is approximately zero, bracing or strutting arrangement 3 contacts with earth's surface simultaneously, when earth's surface produces sedimentation, bracing or strutting arrangement 3 can produce downward displacement with earth's surface, and thus now under pulley 5 acts on, mass will move down due to the effect by gravity, being changed the displacement that just can record mass by the distance between dial gauge measurement quality block and bracing or strutting arrangement 3, is also in like manner the settling amount on earth's surface.
The mode that rigidity rope 10 one end is connected with mass 6 has following two kinds at least:
Scheme one: as shown in Figure 1, is directly fixedly connected with mass 6 with rigidity rope 10 one end, directly hangs on rigidity rope 10 one end, move up and down under the traction by rigidity rope 10 by mass 6.
Scheme two: as shown in Figure 2, rigidity rope 10 and mass 6 is connected by a travelling block 14, and rigidity rope 10 one end is not directly connected with mass 6, and is through travelling block 14 and is fixed on bracing or strutting arrangement 3 device inner top, and mass 6 is fixed on travelling block 14.Rigidity rope 10 draws travelling block 14 and moves up and down, thus drives mass 6 to produce perpendicular displacement.And in order to make that mass 6 can only move in the vertical direction and horizontal direction can not produce displacement, utilize transversal displacement stationary installation 15 to be fixed it.Transversal displacement stationary installation 15 can adopt various ways, such as, can be two vertical sliding axles, be separately positioned on mass 6 left and right sides; Also can be the sliding axle that wall scroll passes mass 6.
As shown in Figure 3, in order to be fixed the part that rigidity rope 10 is positioned at below earth's surface better, rigidity rope 10 is connected with rigidity rope fixed head 12 through one end of sleeve pipe 11, and rigidity rope fixed head 12 is laid in anchoring enlarged footing 13, anchoring enlarged footing 13 is arranged in earth's surface lower stable soil layer or basement rock position.
As shown in Figures 4 and 5, because personal monitoring is comparatively inconvenient, in order to can remote monitoring be realized, described dial gauge 9 is connected with wireless transport module 7 by data line 8, wireless transport module 7 receives dial gauge 9 and measures the data obtained, and sends it to user's receiving end, realizes remote monitoring.
Simultaneously as the further improvement of the power supply plan of wireless transport module, be connected with solar panel 1 by power transmission line 4, wireless transport module 7 is powered, be convenient to the monitoring under field unregulated power supply condition.
Bracing or strutting arrangement 3 can select support or other forms, as long as certain height can be provided to hang pulley and mass, but bracing or strutting arrangement 3 is necessary for rigid structure, flexible or easily can not produce deformation.But as when being used for ground settlement monitoring, monitoring device easily suffers the humidity corrosions such as rainwater, and rigid seal shell therefore can be adopted as bracing or strutting arrangement 3, and pulley 12 is directly fixed on shell inner top, and outer casing bottom is provided with the through hole passed for sleeve pipe 11, sleeve pipe 11 does not contact with shell.Rigid seal shell can reduce monitoring device inner structure and be subject to influence of moisture, the extension fixture life-span.
When reality uses, can at bracing or strutting arrangement 3 arranged outside containment vessel 2.Containment vessel 2 can adopt brickwork construction or other structures, prevents the damage of interior arrangement.
On above-mentioned ground settlement proving installation basis, the utility model additionally provides a kind of ground settlement method of testing using described device, comprises the following steps:
Step 1): utilize tapping and plugging machine in earth's surface punching to steady soil or basement rock position, mounting sleeve 11 in hole, makes also to be positioned at steady soil or basement rock position bottom sleeve pipe 11, and rigidity rope 10 is fixed on steady soil or basement rock position through sleeve pipe 11.The fixed form of rigidity rope 10 can be selected according to actual conditions, as a kind of embodiment, sleeve pipe 11 in a pre-installation bottom places expansive cement or superpolymer in advance, and place rigidity rope fixed head 12 wherein, rigidity rope 10 one end is through being connected on rigidity rope fixed head 12 bottom sleeve pipe 11.Rigidity rope fixed head 12 with bottom sleeve pipe 11 after steady soil or basement rock position, in pipe, water filling makes expansive cement or polymer reaction expand, solidify, obtain the anchoring enlarged footing at the bottom of hole, make rigidity rope 10 be fixed on steady soil or basement rock position more firmly thus, monitor ground settlement more accurately.
Step 2): bracing or strutting arrangement 3 is positioned over earth's surface, and rigidity rope 10 passes perpendicularly through sleeve pipe 11, and is connected with mass 6 by the pulley 5 being fixed on bracing or strutting arrangement 3.Sleeve pipe 11 should be tried one's best and vertically arranged and wrap up the rigidity rope 10 that whole section is positioned at below earth's surface, and rigidity rope 10 can not contact sleeve pipe 11 sidewall and soil, keeps vacant state.
Step 3): utilize dial gauge 9 pairs of masses 6 to measure relative to the perpendicular displacement on earth's surface, and measured value is scaled ground settlement value.This conversion method is determined the impact of mass 6 displacement according to ground settlement.For the mode that rigidity rope 10 one end is connected with mass 6, according to scheme one, then mass 6 is subsidence value relative to the perpendicular displacement on earth's surface; According to scheme two, then subsidence value is the twice of mass 6 relative to the perpendicular displacement on earth's surface.
In actual use procedure, measuring point operator guards can be set up and power supply facilities is installed: adopting brickwork construction protection tester, solar panel and corresponding circuit are finally installed at brickwork construction top.
When the method is applied to remote monitoring, dial gauge 9 can be measured the data obtained and be sent by wireless transport module 7, and wireless transport module 7 is powered by solar panel 1.In addition, bottom ground settlement proving installation and sleeve opening periphery can build with cement and carry out cure process, then bracing or strutting arrangement 3 is fixed in sand-cement slurry, to improve monitoring accuracy.
Embodiment
Using somewhere as monitored area, set up monitoring station, and two cover ground settlement proving installations are installed respectively, wherein the rigidity rope 10 of device one (Fig. 4) and device two (Fig. 5) adopts aforesaid scheme one and scheme two respectively with mass 6 succession, and other parts arrange all identical.In two covering devices, rigidity rope 10 is all fixed in earth's surface lower stable soil layer or basement rock position by rigidity rope fixed head 12 and anchoring enlarged footing 13 through one end of sleeve pipe 11.On two covering device bases, aforesaid monitoring method is adopted to monitor this ground land subsidence.
As a comparison, adopt measurement of the level mode of the prior art to monitor sedimentation simultaneously.
According to measurement needs, measurement range selection 0 ~ the 10mm of dial gauge in device one, in device two dial gauge measurement range selection 0 ~ 5mm (same specification dial gauge range is less, cost is lower), measurement of the level adopts scale to be the Sopwith staff of 1mm, and monitoring result shows: when adopting device one to measure, the reading of dial gauge is 5.361mm, being converted into actual ground settlement is 5.361mm, and measuring accuracy is 0.01mm; When adopting device two to measure, the reading of dial gauge is 2.512mm, and being converted into actual ground settlement is 5.024mm, and measuring accuracy is 0.02mm; And when adopting traditional measurement of the level mode to measure, ground settlement is 5.1mm, the survey time is poor is 1.4mm, therefore this measuring accuracy is only 1.4mm, and contrast can be found out, adopts device one measuring accuracy the highest, adopt device two measuring accuracy to take second place, and traditional measurement of the level mode measuring accuracy is the poorest.
In this measuring process, we require to measure once every 12 hours, owing to needing enough brightness during traditional measurement of the level, therefore can only select measure daytime, we select 6:00 AM and measurement at 6 in evening, this causes very large inconvenience to our measurement arrangement, and adopt the metering system of device one combining wireless transport module and device two combining wireless transport module, we only need set monitoring frequency in advance, just having corresponding Monitoring Data every 12 hours is like this sent on server, just monitoring result can be seen in real time in indoor, time saving and energy saving.
Above-described embodiment is one of the present invention preferably scheme, and so it is not intended to limiting the invention, and all technical schemes taking the mode of equivalent replacement or equivalent transformation to obtain, all drop in protection scope of the present invention.

Claims (7)

1. a novel ground settlement proving installation, it is characterized in that, comprise bracing or strutting arrangement (3), pulley (5), mass (6), dial gauge (9), rigidity rope (10) and sleeve pipe (11), pulley (5) is fixed on bracing or strutting arrangement (3) inner top; Pulley (5) walked around by rigidity rope (10), one end is fixed in earth's surface lower stable soil layer or basement rock position through sleeve pipe (11), the other end is connected with mass (6), makes mass (6) vertical hanging on rigidity rope (10); Dial gauge (9) contacts with mass (6) and connects, for the perpendicular displacement of monitoring quality block (6).
2. ground settlement proving installation as claimed in claim 1, it is characterized in that, described mass (6) is directly fixedly connected with rigidity rope (10) one end.
3. ground settlement proving installation as claimed in claim 1, it is characterized in that, described rigidity rope (10) is connected by a travelling block (14) with mass (6), and rigidity rope (10) is fixed on bracing or strutting arrangement (3) device inner top through travelling block (14), and mass (6) is fixed on travelling block (14), mass (6) is fixed by transversal displacement stationary installation (15), makes that it can only move in the vertical direction and horizontal direction can not produce displacement.
4. ground settlement proving installation as claimed in claim 1, it is characterized in that, described rigidity rope (10) is connected with rigidity rope fixed head (12) through one end of sleeve pipe (11), and rigidity rope fixed head (12) is laid in anchoring enlarged footing (13).
5. the ground settlement proving installation as described in as arbitrary in claim 1-4, it is characterized in that, described dial gauge (9) is connected with for the wireless transport module received with send data (7) by data line (8).
6. ground settlement proving installation as claimed in claim 5, is characterized in that, described wireless transport module (7) to be connected with solar panel (1) by power transmission line (4) and to power.
7. the ground settlement proving installation as described in as arbitrary in claim 1-4, it is characterized in that, described bracing or strutting arrangement (3) is rigid seal shell, and bottom is provided with the through hole passed for sleeve pipe (11).
CN201520858691.9U 2015-10-30 2015-10-30 Novel test is subsided on earth's surface device Withdrawn - After Issue CN205120093U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105241418A (en) * 2015-10-30 2016-01-13 浙江大学 Novel ground surface settlement test device and method
CN106149772A (en) * 2016-08-09 2016-11-23 济南城建集团有限公司 A kind of device of real-time monitoring steel sheet pile enclosure malformation
CN106441054A (en) * 2016-12-16 2017-02-22 中国建筑材料科学研究总院 Wall structure deformation measuring device
CN110849323A (en) * 2019-12-12 2020-02-28 中国电建集团成都勘测设计研究院有限公司 Telescopic settling tube, and settling deformation monitoring system and method
CN115493558A (en) * 2022-10-24 2022-12-20 煤炭科学技术研究院有限公司 Settlement monitoring device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105241418A (en) * 2015-10-30 2016-01-13 浙江大学 Novel ground surface settlement test device and method
CN105241418B (en) * 2015-10-30 2018-02-27 浙江大学 A kind of new ground settlement test device and method
CN106149772A (en) * 2016-08-09 2016-11-23 济南城建集团有限公司 A kind of device of real-time monitoring steel sheet pile enclosure malformation
CN106441054A (en) * 2016-12-16 2017-02-22 中国建筑材料科学研究总院 Wall structure deformation measuring device
CN110849323A (en) * 2019-12-12 2020-02-28 中国电建集团成都勘测设计研究院有限公司 Telescopic settling tube, and settling deformation monitoring system and method
CN115493558A (en) * 2022-10-24 2022-12-20 煤炭科学技术研究院有限公司 Settlement monitoring device

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