CN103953080B - A kind of monitoring method of mole foundation settlement - Google Patents
A kind of monitoring method of mole foundation settlement Download PDFInfo
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- CN103953080B CN103953080B CN201410213621.8A CN201410213621A CN103953080B CN 103953080 B CN103953080 B CN 103953080B CN 201410213621 A CN201410213621 A CN 201410213621A CN 103953080 B CN103953080 B CN 103953080B
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Abstract
The invention discloses a kind of monitoring method of mole foundation settlement, comprise the following steps: one) before levee construction, the interior wired hose wearing traction steel wire is laid on mole ground; Outside the toe of mole both sides, set two fixing piling bars, the two ends tube head of wired hose is separately fixed at the top of two fixing piling bars, tube head exceeds the water surface, in wired hose, fill water; Two) water level value of the water surface in wired hose is recorded; Three) wired hose is passed, water level value in collection tube with traction steel wire traction water level automatic collector; Four) by step 2) value that obtains deducts by step 3) value that obtains, obtain first group of height value; Five) after a while, step 2 is repeated) ~ step 4), obtain second group of height value; Six) deduct second group of height value by first group of height value, obtain sedimentation value; Seven) repeatedly step 2 is repeated) ~ step 6) obtain continuous sedimentation amount.The present invention is simple, convenient, little to construction interference, and is easy to protection.
Description
Technical field
The present invention relates to a kind of monitoring method of foundation settlement, particularly a kind of monitoring method of mole foundation settlement.
Background technology
In deep water mole or submerged breakwater are built, need to carry out settlement monitoring, to ensure construction safety.Current underwater weakground settlement monitoring mainly contains two kinds of modes, and a kind of for laying sedimentation plate, one is electric measuring type method.Adopt the instruments such as differential settlement gauge.Because sedimentation plate must be laid along levee body axis, very large to construction interference, construction ship collision and jackstone construction often can encounter sedimentation plate, and sedimentation plate is often destroyed, and protects very difficult.Electrical measuring method is after axis place lays, cable can be guided to levee body toe place to observe, there is the advantage little to construction interference, but this method price is higher, complicated operation, needs diver's cooperating, and cable need guide to toe place from mole axis, very easily cable is smashed during jackstone construction, promoted the use of on a large scale.Instrument can cause data acquisition discontinuous after destroying, and affects the accuracy of monitored data, and then delays programming, cause serious consequence.Therefore need to find one simple, convenient, little to construction interference, and be easy to the monitoring method of the mole foundation settlement of protection, to solve the practical problem in engineering.
Summary of the invention
The present invention provides a kind of monitoring method of mole foundation settlement for solving in known technology the technical problem that exists, and the method is simple, convenient, little to construction interference, and is easy to protection.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is: a kind of monitoring method of mole foundation settlement, comprises the following steps:
One) before levee construction, first in wired hose, wear a traction steel wire, then wired hose is laid on mole ground; The two ends tube head of corresponding wired hose sets two fixing piling bars at the outer 10-20m place of mole both sides toe, the two ends tube head of wired hose is drawn the water surface, be separately fixed at the top of two fixing piling bars, the two ends tube head of wired hose all exceeds the water surface at least 1-2m, in wired hose, fill water;
Two) water level value of the water surface in wired hose is recorded with level gauge or GPS;
Three) with traction steel wire traction water level automatic collector, make water level automatic collector through whole piece wired hose, water level automatic collector presses the water level value in setpoint frequency collection wired hose;
Four) by step 2) water level value that obtains deducts by step 3) water level value that obtains, obtain first group of height value of mole ground;
Five) after a while, step 2 is repeated) ~ step 4), obtain second group of height value of mole ground;
Six) deduct second group of height value by first group of height value, obtain the sedimentation value that mole ground during this period of time produces;
Seven) repeatedly step 2 is repeated) ~ step 6) the continuous sedimentation amount of mole ground can be obtained.
In described step one) in, wired hose is across on mole ground.
The advantage that the present invention has and good effect are: adopt and be laid on mole ground by wired hose, water is filled by wired hose, the depth displacement of water in monitoring wired hose, and then the sedimentation value that acquisition mole ground produces within the corresponding period, little to construction interference, and be easy to protection, can solve in underwater weakground monitoring, conventional observation instrument is as frequent by breakage in installation in sedimentation plate and settlement gauge etc., protection of instrumentation difficulty, it is large that monitored data gathers difficulty, data source such as easily to lose at the problem, simple to operate, convenient, monitoring effect is good, with low cost, and it is survivable, monitoring accuracy is higher, the requirement of current levee construction to settlement monitoring can be met.
Accompanying drawing explanation
Fig. 1 is use structural representation of the present invention.
In figure: 1, wired hose, 2, water level automatic collector, 3, traction steel wire, 4, fixing piling bar, 5, mole, 6, at the bottom of dike, 7, mole ground.
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of monitoring method of mole foundation settlement, comprises the following steps:
One) before mole 5 is constructed, first in wired hose 1, wear a traction steel wire 3, then wired hose 1 is laid on mole ground 7, and it is protected; The two ends tube head of corresponding wired hose 1 sets two fixing piling bars 4 at the outer 10-20m place of mole 5 both sides toe, the two ends tube head of wired hose 1 is drawn the water surface, be separately fixed at the top of two fixing piling bars 4, the two ends tube head of wired hose 1 all exceeds the water surface at least 1-2m, in wired hose 1, fill water; When carrying out the construction of mole jackstone, wired hose 1 is along with mole ground 7 and sedimentation together with 6 at the bottom of dike.
Two) water level value of the water surface in wired hose 1 is recorded with level gauge or GPS;
Three) draw water level automatic collector 2 with traction steel wire 3, make water level automatic collector 2 through whole piece wired hose 1, water level automatic collector 2 presses the water level value in setpoint frequency collection wired hose 1;
Four) by step 2) water level value that obtains deducts by step 3) water level value that obtains, obtain first group of height value of mole ground;
Five) after a while, step 2 is repeated) ~ step 4), obtain second group of height value of mole ground;
Six) deduct second group of height value by first group of height value, obtain the sedimentation value that mole ground during this period of time produces;
Seven) repeatedly step 2 is repeated) ~ step 6) the continuous sedimentation amount of mole ground can be obtained.
In the present embodiment, in described step one) in, wired hose 1 is across on mole ground 7.The diameter of wired hose 1 is generally 7cm-12cm, is a kind of flexibility but the higher flexible pipe of intensity, can resists the impact of underwater dumped rockfill, with mole ground, sedimentation and deformation can occur.Described water level automatic collector 2 small volume, general diameter is 2-3cm, and can move freely in wired hose 1 under the traction of traction steel wire 3, can set any sample frequency, and automatically can gather waterlevel data, precision is higher, is generally 0.05% of range.
Although be described the preferred embodiments of the present invention by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, can also make a lot of form, these all belong within protection scope of the present invention.
Claims (2)
1. a monitoring method for mole foundation settlement, is characterized in that, comprises the following steps:
One) before levee construction, first in wired hose, wear a traction steel wire, then wired hose is laid on mole ground; The two ends tube head of corresponding wired hose sets two fixing piling bars at the outer 10-20m place of mole both sides toe, the two ends tube head of wired hose is drawn the water surface, be separately fixed at the top of two fixing piling bars, the two ends tube head of wired hose all exceeds the water surface at least 1m, in wired hose, fill water;
Two) water level value of the water surface in wired hose is recorded with level gauge or GPS;
Three) with traction steel wire traction water level automatic collector, make water level automatic collector through whole piece wired hose, water level automatic collector presses the water level value in setpoint frequency collection wired hose;
Four) by step 2) water level value that obtains deducts by step 3) water level value that obtains, obtain first group of height value of mole ground;
Five) after a while, step 2 is repeated) ~ step 4), obtain second group of height value of mole ground;
Six) deduct second group of height value by first group of height value, obtain the sedimentation value that mole ground during this period of time produces;
Seven) repeatedly step 2 is repeated) ~ step 6) the continuous sedimentation amount of mole ground can be obtained.
2. the monitoring method of mole foundation settlement according to claim 1, is characterized in that, in described step one) in, wired hose is across on mole ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410213621.8A CN103953080B (en) | 2014-05-20 | 2014-05-20 | A kind of monitoring method of mole foundation settlement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410213621.8A CN103953080B (en) | 2014-05-20 | 2014-05-20 | A kind of monitoring method of mole foundation settlement |
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| Publication Number | Publication Date |
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| CN103953080A CN103953080A (en) | 2014-07-30 |
| CN103953080B true CN103953080B (en) | 2015-11-18 |
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| CN201410213621.8A Expired - Fee Related CN103953080B (en) | 2014-05-20 | 2014-05-20 | A kind of monitoring method of mole foundation settlement |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2397183Y (en) * | 1999-11-23 | 2000-09-20 | 刘保健 | Foundation settlement profile surveying device |
| CN101787712A (en) * | 2009-12-25 | 2010-07-28 | 中国水电顾问集团中南勘测设计研究院 | Inclination measuring device and measuring method of sunk well |
| CN102051891A (en) * | 2011-01-27 | 2011-05-11 | 王红卫 | Device and method for observing relative settlement of huge building foundation |
| CN201901875U (en) * | 2010-12-17 | 2011-07-20 | 上海市电力公司 | Excavation environment controlling and protecting monitoring unit for large-scale ultra-deep foundation pit |
| EP2391776A1 (en) * | 2009-02-02 | 2011-12-07 | Soletanche Freyssinet | Method and device for monitoring the state of a foundation embedded in the ground |
-
2014
- 2014-05-20 CN CN201410213621.8A patent/CN103953080B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2397183Y (en) * | 1999-11-23 | 2000-09-20 | 刘保健 | Foundation settlement profile surveying device |
| EP2391776A1 (en) * | 2009-02-02 | 2011-12-07 | Soletanche Freyssinet | Method and device for monitoring the state of a foundation embedded in the ground |
| CN101787712A (en) * | 2009-12-25 | 2010-07-28 | 中国水电顾问集团中南勘测设计研究院 | Inclination measuring device and measuring method of sunk well |
| CN201901875U (en) * | 2010-12-17 | 2011-07-20 | 上海市电力公司 | Excavation environment controlling and protecting monitoring unit for large-scale ultra-deep foundation pit |
| CN102051891A (en) * | 2011-01-27 | 2011-05-11 | 王红卫 | Device and method for observing relative settlement of huge building foundation |
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| CN103953080A (en) | 2014-07-30 |
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