CN103195064A - Grouting processing method for stopping water leakage of underwater concrete - Google Patents

Grouting processing method for stopping water leakage of underwater concrete Download PDF

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Publication number
CN103195064A
CN103195064A CN2013101232529A CN201310123252A CN103195064A CN 103195064 A CN103195064 A CN 103195064A CN 2013101232529 A CN2013101232529 A CN 2013101232529A CN 201310123252 A CN201310123252 A CN 201310123252A CN 103195064 A CN103195064 A CN 103195064A
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China
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mud jacking
valve
point
water
concrete
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CN2013101232529A
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Chinese (zh)
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CN103195064B (en
Inventor
周功建
冯广胜
李艳哲
夏学军
李二伟
冯文园
张耀
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中铁大桥局集团第一工程有限公司
中铁大桥局集团有限公司
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Priority to CN201310123252.9A priority Critical patent/CN103195064B/en
Publication of CN103195064A publication Critical patent/CN103195064A/en
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Abstract

The invention relates to underwater concrete pouring construction, in particular to a grouting processing method for stopping water leakage of underwater concrete. The grouting processing method includes steps of firstly, processing various water outlet points and leading out the water outlet points by steel tubes with valves; secondly, sequentially performing water pressure tests for the various water outlet points by the aid of colored water, testing distribution of water leakage channels and communication conditions of the water leakage channels and dividing the water leakage channels into a category of communicated water leakage channels and a category of independent water leakage channels; thirdly, judging an optimal grouting path via test results; fourthly, arranging for practical grouting according to the optimal path; and fifthly, performing grouting to block the water leakage channels. The grouting processing method for stopping water leakage of the underwater concrete has the advantages that the tests are performed before grouting, each water leakage channel can be compactly blocked basically, the processing quality is guaranteed, a construction principle is simple, operation is simple and convenient, the grouting steps are reasonable, the construction period can be effectively saved, the water leakage channels can be effectively blocked, and a processing effect can be guaranteed for main concrete.

Description

A kind of mud jacking processing method for underwater concrete infiltration leak stopping
Technical field
The present invention relates to the underwater concreting construction, is a kind of mud jacking processing method for underwater concrete infiltration leak stopping specifically.
Background technology
At present, in the pouring construction process of underwater concrete, idol has the accident that infiltration takes place, the processing method of each accident is all inequality, direct shutoff of high-strength material such as common employing grouting material that water percolating capacity is less, or water is put together the scope of building of drawing with steel pipe make it not influence that top is concrete builds, treat then top concrete build finish after, mud jacking shutoff in the steel pipe.But when water percolating capacity was big, intractable then needed to adopt special, complicated construction technology to handle usually, and complex operation has increased the construction period.
Summary of the invention
At the defective that exists in the prior art, the object of the present invention is to provide a kind of mud jacking processing method for underwater concrete infiltration leak stopping, the mud jacking step is reasonable, and effectively the shutoff penetrating passage can guarantee the concrete treatment effect of main body.
For reaching above purpose, the technical scheme that the present invention takes is:
A kind of mud jacking processing method for underwater concrete infiltration leak stopping is characterized in that, the steps include:
Step 1 in 1 region of stop water, is handled each EXIT POINT on the concrete surface 10 of underwater concrete, and draws with the steel pipe 12 of band valve 9,
Step 2 is done packer permeability test to each EXIT POINT one by one successively, and the passage that tests out infiltration distributes and the connection situation, and penetrating passage 11 is divided into the penetrating passage of connection and penetrating passage two big classes independently,
Step 3, by the optimal route of result of the test judgement mud jacking,
Step 4 is carried out the implementation mud jacking by optimal route and is arranged,
Step 5 is carried out mud jacking, and the passage plugging of infiltration is lived.
On the basis of technique scheme, the concrete steps of step 2 are: earlier with the valve closing on the steel pipe of whole EXIT POINTs,
Select in the water spot one as the setting-out point, all the other are then as EXIT POINT,
Open the valve on the steel pipe of setting-out point, utilize pneumatic mortar machine to be pressed into colored water at the setting-out point,
Whether open the valve on the steel pipe of each EXIT POINT successively, observing has colored water to be forced out,
The corresponding water outlet situation of record setting-out point and EXIT POINT,
Select another EXIT POINT as the setting-out point, repeat above-mentioned steps then, until whole EXIT POINTs all finish as the setting-out point above-mentioned packer permeability test once till.
On the basis of technique scheme, with flexible pipe steel pipe 12 is connect height, until the water level that surpasses the stop water outside, and then carry out step 2.
On the basis of technique scheme, when step 5 is carried out mud jacking, take different mud jacking operating procedures for the penetrating passage that is communicated with penetrating passage independently.
On the basis of technique scheme, for independent penetrating passage, directly mud jacking and pressurize a period of time get final product;
For the penetrating passage that is communicated with, earlier pneumatic mortar machine is connected an EXIT POINT corresponding with the penetrating passage that is communicated with, close the valve at all the other the whole EXIT POINTs places corresponding with the penetrating passage that is communicated with, carry out the mud jacking operation then, the penetrating passage of elder generation's shutoff from the concrete upper surface to the concrete soffit, after reaching the mud jacking standard, open the valve of closing again successively, and once only open a valve of closing, whenever after opening a valve, when having underflow to flow out the flexible pipe of observing the valve correspondence of opening from this, then close the valve that this is opened, and get final product pressurize a period of time.
Mud jacking processing method for underwater concrete infiltration leak stopping of the present invention, test the back mud jacking earlier, substantially can every penetrating passage shutoff is closely knit, the processing quality is guaranteed, and its construction principle is simple, easy and simple to handle, the mud jacking step is reasonable, can effectively save the duration, effectively the shutoff penetrating passage can guarantee the concrete treatment effect of main body.
Description of drawings
The present invention has following accompanying drawing:
Fig. 1 underwater concrete rises reason arrangement diagram,
Fig. 2 concrete surface EXIT POINT is handled schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
The objective of the invention is underwater concrete infiltration is handled, make concrete pouring quality guaranteed.For realizing this purpose, the present invention has provided a kind of mud jacking processing method for underwater concrete infiltration leak stopping, the steps include:
Step 1 is handled each EXIT POINT, and draws with the steel pipe of band valve,
Step 2 is done packer permeability test to each EXIT POINT one by one successively, and the passage that tests out infiltration distributes and the connection situation, and the passage of infiltration is divided into the penetrating passage of connection and penetrating passage two big classes independently,
Step 3, by the optimal route of result of the test judgement mud jacking,
Step 4 is carried out the implementation mud jacking by optimal route and is arranged,
Step 5 is carried out mud jacking, and the passage plugging of infiltration is lived.
On the basis of technique scheme, the concrete steps of step 2 are: earlier with the valve closing on the steel pipe of whole EXIT POINTs,
Select in the water spot one as the setting-out point, all the other are then as EXIT POINT,
Open the valve on the steel pipe of setting-out point, utilize pneumatic mortar machine to be pressed into colored water at the setting-out point,
Whether open the valve on the steel pipe of each EXIT POINT successively, observing has colored water to be forced out,
The corresponding water outlet situation of record setting-out point and EXIT POINT,
Select another EXIT POINT as the setting-out point, repeat above-mentioned steps then, until whole EXIT POINTs all finish as the setting-out point above-mentioned packer permeability test once till.
On the basis of technique scheme, when step 5 is carried out mud jacking, take different mud jacking operating procedures for the penetrating passage that is communicated with penetrating passage independently.
On the basis of technique scheme, for independent penetrating passage, directly mud jacking and pressurize a period of time get final product;
For the penetrating passage that is communicated with, earlier pneumatic mortar machine is connected an EXIT POINT corresponding with the penetrating passage that is communicated with, close the valve at all the other the whole EXIT POINTs places corresponding with the penetrating passage that is communicated with, carry out the mud jacking operation then, the penetrating passage of elder generation's shutoff from the concrete upper surface to the concrete soffit, after reaching the mud jacking standard, open the valve of closing again successively, and once only open a valve of closing, whenever after opening a valve, when having underflow to flow out the flexible pipe of observing the valve correspondence of opening from this, then close the valve that this is opened, and get final product pressurize a period of time.
Below further specify by a specific embodiment and the objective of the invention is underwater concrete infiltration is handled.
As shown in Figure 1, be lower floor's underwater concrete 2 in the bottom of 1 region of stop water, above lower floor's underwater concrete 2, also be provided with upper strata underwater concrete 3, if there are five EXIT POINTs, be respectively first, second, the 3rd, the 4th, the 5th EXIT POINT 4,5,6,7,8, the penetrating passage 11 of each EXIT POINT correspondence has all run through lower floor's underwater concrete 2 and upper strata underwater concrete 3, wherein: first, second EXIT POINT 4, the penetrating passage 11 of 5 correspondences is penetrating passage independently, the 3rd, the 4th, the 5th EXIT POINT 6,7, the penetrating passage of penetrating passage 11 for being communicated with of 8 correspondences.Actual capabilities have more penetrating passages and EXIT POINT.
As shown in Figure 2, handle each infiltration point of concrete surface, connect the steel pipe of drawing the band valve: enlarge from concrete surface 10 (concrete surface 10 refers to the concrete surface of upper strata underwater concrete 3) boring downwards respectively at each EXIT POINT place, in penetrating passage 11, insert the steel pipe 12 of band valve 9 then, valve 9 is positioned on the steel pipe 12 that exposes concrete surface 10, closely knit with grouting material or the sealing of other Materials with High Strength between steel pipe 12 and the penetrating passage 11, infiltration is flowed out by steel pipe 12, rather than flow out from the slit between steel pipe 12 and the penetrating passage 11.
With flexible pipe steel pipe 12 is connect height, until the water level that surpasses the stop water outside, the water level elevation of stop water 1 outside is+129m in shown in Figure 1, will be designated as G4, G5, G6, G7, G8 respectively with the first, second, third, fourth, the 5th EXIT POINT 4,5,6,7,8 corresponding each steel pipe 12.
Close the valve of G4~G8, connect pneumatic mortar machine at the G4 point, pneumatic mortar machine work is pressed into colored water, opens the valve of G5~G8 successively, and whether observe has colored water to flow out from flexible pipe, and notes.
Close the valve of G4~G8, pneumatic mortar machine is connected on the G5, pneumatic mortar machine is pressed into colored water, opens the valve of G4, G6~G8 successively, and whether observe has colored water to flow out from flexible pipe, and notes.
Close the valve of G4~G8, pneumatic mortar machine is connected on the G6, pneumatic mortar machine is pressed into colored water, opens the valve of G4~G5, G7~G8, and whether observe has colored water to flow out from flexible pipe, and notes.
Close the valve of G4~G8, pneumatic mortar machine is connected on the G7, pneumatic mortar machine is pressed into colored water, opens the valve of G4~G6, G8, and whether observe has colored water to flow out from flexible pipe, and notes.
Close the valve of G4~G8, pneumatic mortar machine is connected on the G8, pneumatic mortar machine is pressed into colored water, opens the valve of G4~G7, and whether observe has colored water to flow out from flexible pipe, and notes.
Analyze from the result of record: colored water can be pressed into from the G6 point by pneumatic mortar machine, extrudes from G7, G8 point, can judge that then G6 is communicated with G7, G8.When simultaneously finding the G6 setting-out during setting-out G7 compare the first water outlet of G8 point and water outlet smooth and easy; Be pressed into colored water from G5, but do not find that any EXIT POINT has colored water to flow out, illustrate that then G5 point water direct and the stop water outside connects, and do not link to each other with any penetrating passage in the concrete that what namely be communicated with the G5 point is an independent penetrating passage.G4 in like manner.Fig. 1 has supposed five places infiltration point, only for convenience of explanation if more infiltration point is arranged, by carrying out this packer permeability test with quadrat method.
Judge the optimal route of mud jacking, carry out the implementation mud jacking and arrange; Carry out mud jacking, the passage plugging of infiltration is lived.For independent penetrating passage, as G4, the G5 point of Fig. 1, directly mud jacking and pressurize a period of time get final product; For the penetrating passage that is communicated with, as G6, G7, the G8 point of Fig. 1, i.e. the situation of penetrating passage connection, the penetrating passage of connection can have a negative impact to mud jacking.Best mud jacking mode is: G6-G7-G8 is mud jacking successively.
Earlier pneumatic mortar machine is connected on the G6, and close the valve of G7, G8, carry out the mud jacking operation then, the penetrating passage of first shutoff from the concrete upper surface to the concrete soffit, reach the mud jacking standard after, open the valve of G7, when observing underflow and from the flexible pipe of G7, flowing out, can be with the valve closing of G7, and pressurize a period of time, open the valve of G8, observe when underflow flows out from the flexible pipe of G8 and get final product.If open the valve of G7 or G8 earlier, then the slurries that are pressed into from G6 can directly flow out from G7, G8, and then G6, G7, the common penetrating passage of G8 can not get shutoff, do not guarantee squeezing quality.Specifically choosing according to the concrete condition of mud jacking operation of a period of time can be selected by existing known technology, no longer describes in detail.
The content that is not described in detail in this manual belongs to this area professional and technical personnel's known prior art.

Claims (5)

1. a mud jacking processing method that is used for underwater concrete infiltration leak stopping is characterized in that, the steps include:
Step 1 in 1 region of stop water, is handled each EXIT POINT on the concrete surface 10 of underwater concrete, and draws with the steel pipe 12 of band valve 9,
Step 2 is done packer permeability test to each EXIT POINT one by one successively, and the passage that tests out infiltration distributes and the connection situation, and penetrating passage 11 is divided into the penetrating passage of connection and penetrating passage two big classes independently,
Step 3, by the optimal route of result of the test judgement mud jacking,
Step 4 is carried out the implementation mud jacking by optimal route and is arranged,
Step 5 is carried out mud jacking, and the passage plugging of infiltration is lived.
2. the mud jacking processing method for underwater concrete infiltration leak stopping as claimed in claim 1, it is characterized in that: the concrete steps of step 2 are: earlier with the valve closing on the steel pipe of whole EXIT POINTs,
Select in the water spot one as the setting-out point, all the other are then as EXIT POINT,
Open the valve on the steel pipe of setting-out point, utilize pneumatic mortar machine to be pressed into colored water at the setting-out point,
Whether open the valve on the steel pipe of each EXIT POINT successively, observing has colored water to be forced out,
The corresponding water outlet situation of record setting-out point and EXIT POINT,
Select another EXIT POINT as the setting-out point, repeat above-mentioned steps then, until whole EXIT POINTs all finish as the setting-out point above-mentioned packer permeability test once till.
3. the mud jacking processing method for underwater concrete infiltration leak stopping as claimed in claim 1 is characterized in that: with flexible pipe steel pipe 12 is connect height, until the water level that surpasses the stop water outside, and then carry out step 2.
4. the mud jacking processing method for underwater concrete infiltration leak stopping as claimed in claim 1 is characterized in that: when step 5 is carried out mud jacking, take different mud jacking operating procedures for the penetrating passage that is communicated with penetrating passage independently.
5. the mud jacking processing method for underwater concrete infiltration leak stopping as claimed in claim 4, it is characterized in that: for independent penetrating passage, directly mud jacking and pressurize a period of time get final product;
For the penetrating passage that is communicated with, earlier pneumatic mortar machine is connected an EXIT POINT corresponding with the penetrating passage that is communicated with, close the valve at all the other the whole EXIT POINTs places corresponding with the penetrating passage that is communicated with, carry out the mud jacking operation then, the penetrating passage of elder generation's shutoff from the concrete upper surface to the concrete soffit, after reaching the mud jacking standard, open the valve of closing again successively, and once only open a valve of closing, whenever after opening a valve, when having underflow to flow out the flexible pipe of observing the valve correspondence of opening from this, then close the valve that this is opened, and get final product pressurize a period of time.
CN201310123252.9A 2013-04-10 2013-04-10 Grouting processing method for stopping water leakage of underwater concrete CN103195064B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1342814A (en) * 2001-10-25 2002-04-03 上海交通大学 Underwater concrete pouring method for squeezing out mud sediment in muddy water
JP2007332722A (en) * 2006-06-19 2007-12-27 East Japan Railway Co Method for improving slime left in cast-in-place concrete pile
CN101660309B (en) * 2009-08-07 2011-06-08 赵延龙 Construction method of multi-drill high-pressure jet agitation based anti-seepage reinforcing equipment
CN102182191A (en) * 2011-04-19 2011-09-14 中水东北勘测设计研究有限责任公司 Impermeable choking and grouting method for rock plug truncated cone shell in deepwater
CN102220762A (en) * 2011-04-25 2011-10-19 中交隧道工程局有限公司 Method and device for disposing underwater pouring concrete pile breaking accident

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1342814A (en) * 2001-10-25 2002-04-03 上海交通大学 Underwater concrete pouring method for squeezing out mud sediment in muddy water
JP2007332722A (en) * 2006-06-19 2007-12-27 East Japan Railway Co Method for improving slime left in cast-in-place concrete pile
CN101660309B (en) * 2009-08-07 2011-06-08 赵延龙 Construction method of multi-drill high-pressure jet agitation based anti-seepage reinforcing equipment
CN102182191A (en) * 2011-04-19 2011-09-14 中水东北勘测设计研究有限责任公司 Impermeable choking and grouting method for rock plug truncated cone shell in deepwater
CN102220762A (en) * 2011-04-25 2011-10-19 中交隧道工程局有限公司 Method and device for disposing underwater pouring concrete pile breaking accident

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