CN103883796B - Silt particle mud district hand pick formula jacking construction device and method - Google Patents

Silt particle mud district hand pick formula jacking construction device and method Download PDF

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Publication number
CN103883796B
CN103883796B CN201410135674.2A CN201410135674A CN103883796B CN 103883796 B CN103883796 B CN 103883796B CN 201410135674 A CN201410135674 A CN 201410135674A CN 103883796 B CN103883796 B CN 103883796B
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China
Prior art keywords
pipe
soakaway trench
silt particle
jacking construction
particle mud
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CN201410135674.2A
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Chinese (zh)
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CN103883796A (en
Inventor
黄浩
肖卓文
高忠武
何延平
孙丽凤
曾利红
汪红兵
王琳
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葛洲坝集团第一工程有限公司
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Priority to CN201410135674.2A priority Critical patent/CN103883796B/en
Publication of CN103883796A publication Critical patent/CN103883796A/en
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Publication of CN103883796B publication Critical patent/CN103883796B/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028Laying or reclaiming pipes on land, e.g. above the ground in the ground

Abstract

A kind of silt particle mud district hand pick formula jacking construction device and method, comprise tool pipe, jack is provided with between tool pipe and concrete back, soakaway trench is provided with in the front end of tool pipe, a part for soakaway trench is through pipe cap, another part is positioned at tool pipe, and described soakaway trench rear end is open, and the tube wall of soakaway trench is provided with multiple water seepage hole.A kind of silt particle mud district provided by the invention hand pick formula jacking construction device and method, arranges soakaway trench by the front end at tool pipe, by effect of the catchmenting dewatering of soakaway trench, improves the intensity of the operation soil body, for the operation of hand pick formula creates conditions.The well-points dewatering pipe arranged, realizes Deep Pumped Wells, reduces the water content of the back position soil body, improves the intensity of this position soil body.The load-bearing stake arranged further increases the strength of concrete back, so that the reaction at support of carrying jack.

Description

Silt particle mud district hand pick formula jacking construction device and method

Technical field

The present invention relates to hand pick formula jacking construction field, particularly a kind of silt particle mud district hand pick formula jacking construction device and method.

Background technique

In recent years, the fast development of wastewater treatment in China engineering, a lot of Urban Underground large diameter pipeline needs to pass through the buildings such as avenue, town road, highway or railway, for reducing building damage, reducing the impact on traffic as far as possible, often adopting jacking construction.Due to push pipe special construction apparatus costly; in most cases adopt hand pick formula jacking construction; and in the implementation process of push pipe; often can run into the soft stratum such as mud, quicksand; the reaction force in jack-in process can not be born because of back; bring great difficulty to common hand pick formula jacking construction, even cause the failure of pipe-jacking project.

When hand under normal circumstances digs formula jacking construction, when there is no special correcting device, the different direction being typically employed in the import of tool pipe increases jacking resistance or reduces jacking resistance, in jack-in process, make the axis of tool pipe change, thus ensure that subsequent pipeline axis conforms to design.But due to the mobility of mud, quicksand, the inlet of tool pipe often collapses automatically, and even quicksand or mud flow to tool pipe, difficulty of rectifying a deviation when causing hand to dig formula jacking construction, and then cause jacking construction failure.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of silt particle mud district hand pick formula jacking construction device and method, can reduce the water content of the work surface soil body, improve the success rate of jacking construction.

For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of silt particle mud district hand pick formula jacking construction device, comprise tool pipe, jack is provided with between tool pipe and concrete back, be provided with soakaway trench in the front end of tool pipe, a part for soakaway trench is through pipe cap, and another part is positioned at tool pipe, described soakaway trench rear end is open, and the tube wall of soakaway trench is provided with multiple water seepage hole.

Water seepage hole protective housing is provided with in the front of each water seepage hole.

Top iron is provided with between tool pipe and jack.

Sump and draining pump is provided with in the below of tool pipe.

Described soakaway trench is positioned at the position bottom tool pipe.

Described soakaway trench is in tilted layout, and rear end is lower.

Adopt above-mentioned constructing device to carry out a method for silt particle mud district hand pick formula jacking construction, comprise the following steps:

One, the vertical load-bearing stake of a row is squeezed in the side facing tool pipe in active well;

Two, before load-bearing stake, build back, jack and top iron are installed;

Three, at tool pipe front end inner bottom part, squeeze into one or several soakaway trench, near the tool pipe mouth of pipe, the underground water of the soil body is oozed out in advance by soakaway trench, makes the tool pipe mouth of pipe be within the scope of precipitation funnel;

Four, tool pipe every jacking stroke, soakaway trench shifts to an earlier date jacking stroke, guarantees the soakaway trench pre-jacking soil body in advance, and infiltration in advance is also discharged through sump and draining pump, and work surface water content of soil is reduced;

By above-mentioned steps, realize silt particle mud district hand pick formula jacking construction.

Before step one, in active well, outer side rearward arranges multiple well-points dewatering pipe with active well, and carry out well-points dewatering, the degree of depth of well-points dewatering pipe is greater than the degree of depth of active well.

Described described soakaway trench is in tilted layout, and rear end is lower.

When to downstream push pipe, adopt vacuum draw draining at the soakaway trench mouth of pipe.

A kind of silt particle mud district provided by the invention hand pick formula jacking construction device and method, by the front end at tool pipe, soakaway trench is set, by effect of the catchmenting dewatering of soakaway trench, improve the intensity of the operation soil body, for the operation of hand pick formula push pipe creates favorable conditions.The well-points dewatering pipe arranged, realizes Deep Pumped Wells, reduces the water content of the back position soil body, improves the intensity of this position soil body.The load-bearing stake arranged further increases the strength of concrete back, so that the reaction at support of carrying jack.Because tool pipe upper half part is on the artificial phreatic line formed, top and soil at both sides become dry, and intensity increases to some extent, and the bottom soil body is still under phreatic line, and large improvement does not occur intensity, still lower.Thus prevent the soil body flow entering tool pipe of more than soakaway trench, create and better excavate environment.And due to more dry with soil at both sides above tool pipe, be convenient to top and the both sides increase resistance in tool pipe front end or dig more rectify a deviation in time in the mode reducing resistance.Before water seepage hole, set up water seepage hole protective housing, can prevent soakaway trench and water seepage hole from blocking at jack-in process.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the invention will be further described:

Fig. 1 is the construction process figure of the inventive method.

Fig. 2 is the schematic top plan view of apparatus of the present invention.

Fig. 3 is the B-B cross-sectional schematic of Fig. 2.

Fig. 4 is the A-A cross-sectional schematic of Fig. 2.

In figure: soakaway trench 1, water seepage hole 2, water seepage hole protective housing 3, pipe cap 4, tool pipe 5, active well 6, well-points dewatering pipe 7, load-bearing stake 8, jack 9, top iron 10, sump and draining pump 11, have the phreatic line after soakaway trench 12, back 13.

Embodiment

Embodiment 1:

As in Fig. 2 ~ 4, a kind of silt particle mud district hand pick formula jacking construction device, comprise tool pipe 5, be provided with jack 9 between tool pipe 5 and concrete back, be provided with soakaway trench 1 in the front end of tool pipe 5, a part for soakaway trench 1 is through pipe cap 4, another part is positioned at tool pipe 5, the front end of described soakaway trench 1 is tapered is beneficial to jacking, and rear end is open is beneficial to draining, and the tube wall of soakaway trench 1 is provided with multiple water seepage hole 2.Structure thus, underground water enters soakaway trench 1 by water seepage hole 2 and converges, and defines cone of groundwater, thus reduces the level of ground water of tool pipe 5 front end, as shown in Fig. 3,4.This optimizes the operating condition of hand pick formula jacking construction.

Preferred scheme, as in Fig. 2,3, is provided with water seepage hole protective housing 3 in the front of each water seepage hole 2.Structure thus, avoids water seepage hole 2 to block.

As in Fig. 2,3, be provided with between tool pipe 5 and jack 9 and push up iron 10.Structure thus, is convenient to transmit top power.

As in Fig. 2, be provided with sump and draining pump 11 in the below of tool pipe 5.Structure thus, is convenient to discharge the ponding in active well.

Preferred scheme is as in Fig. 3, and described soakaway trench 1 is positioned at the position bottom tool pipe 5.Structure thus, is convenient to further dewatering line.

In preferred scheme, described soakaway trench 1 is in tilted layout, and front end is higher, and rear end is lower.Structure thus, is convenient to draining.

Embodiment 2:

As shown in Fig. 1 ~ 4, a kind of method adopting the constructing device of above-described embodiment to carry out silt particle mud district hand pick formula jacking construction, comprises the following steps:

One, the vertical load-bearing stake 8 of a row is squeezed in the side facing tool pipe 5 in active well; The bearing capacity of concrete back 13 is improve by squeezing into load-bearing stake 8;

Two, before load-bearing stake 8, build back 13, jack 9 and top iron 10 are installed;

Three, at tool pipe 5 front end inner bottom part, squeeze in one or more soakaway trench 1, figure and only illustrate 1, near the tool pipe mouth of pipe, the underground water of the soil body is oozed out in advance by soakaway trench 1, makes the tool pipe mouth of pipe be within the scope of precipitation funnel;

Four, every jacking stroke of tool pipe 5, soakaway trench 1 shifts to an earlier date jacking stroke, guarantees the soakaway trench 1 pre-jacking soil body in advance, and infiltration in advance is also discharged through sump and draining pump 11, and work surface water content of soil is reduced;

By above-mentioned steps, realize silt particle mud district hand pick formula jacking construction.Be ensure that the intensity of the tool pipe 5 front end soil body by above-mentioned step, be convenient to cut the earth in jack-in process and rectified a deviation by the resistance increasing different direction, thus ensure that the construction quality of silt particle mud area hand pick formula jacking construction.

Preferred scheme is as in Fig. 2,3, and before step one, in active well 6 and outside active well 6, side arranges multiple well-points dewatering pipe 7 rearward, and carry out well-points dewatering, the degree of depth of well-points dewatering pipe 7 is greater than the degree of depth of active well 6.By the precipitation effect of well-points dewatering pipe 7, reduce the water content of the active well 6 back soil body, improve the intensity of the soil body, and then the bearing capacity of Concrete Structure back.Under the acting in conjunction of load-bearing stake 8 and these two kinds of modes of well-points dewatering pipe 7, the bearing capacity of back 13 improves a lot, and reaches the effect of counter-force when balance jack 9 is run, and ensures the normal operation of jack in jack-in process.

Preferably, described described soakaway trench 1 is in tilted layout, and rear end is lower, so that draining.

During upstream direction push pipe, utilize the gradient draining of supervisor, adopt vacuum draw draining if desired; Carry out suction draining to adopting during the push pipe of downstream at the soakaway trench mouth of pipe, the water of discharge enters sump, is extracted out by submersible pump.

In above embodiment, front refers to the left side in Fig. 2,3.

The explanation that above embodiment makes for ease of understanding; not for restriction of the present invention; protection scope of the present invention is as the criterion with the protection domain recorded in claims; also comprise and not recording in detail in the claims, but form with the technical characteristics in claims and be equal to the technical characteristics replaced, delete and increase and form technological scheme.

Claims (8)

1. a silt particle mud district hand pick formula jacking construction device, comprise tool pipe (5), jack (9) is provided with between tool pipe (5) and concrete back, it is characterized in that: be provided with soakaway trench (1) in the front end of tool pipe (5), a part for soakaway trench (1) is through pipe cap (4), another part is positioned at tool pipe (5), and described soakaway trench (1) rear end is open, and the tube wall of soakaway trench (1) is provided with multiple water seepage hole (2);
Water seepage hole protective housing (3) is provided with in the front of each water seepage hole (2);
Be provided with between tool pipe (5) and jack (9) and push up iron (10).
2. a kind of silt particle mud district according to claim 1 hand pick formula jacking construction device, is characterized in that: be provided with sump and draining pump (11) in the below of tool pipe (5).
3. a kind of silt particle mud district according to claim 1 hand pick formula jacking construction device, is characterized in that: described soakaway trench (1) is positioned at the position near tool pipe (5) bottom.
4. a kind of silt particle mud district according to claim 1 hand pick formula jacking construction device, is characterized in that: described soakaway trench (1) is in tilted layout, and rear end is lower.
5. adopt the constructing device described in any one of claim 1 ~ 4 to carry out a method for silt particle mud district hand pick formula jacking construction, it is characterized in that comprising the following steps:
One, the vertical load-bearing stake (8) of a row is squeezed in the side facing tool pipe (5) in active well (6);
Two, before load-bearing stake (8), build back (13), jack (9) and top iron (10) are installed;
Three, in tool pipe (5) front end near the position of bottom, squeeze into one or several soakaway trench (1), near tool pipe (5) mouth of pipe, the underground water of the soil body is oozed out in advance by soakaway trench (1), makes the tool pipe mouth of pipe be within the scope of precipitation funnel;
Four, every jacking stroke of tool pipe (5), soakaway trench (1) is jacking stroke in advance, guarantees soakaway trench (1) the pre-jacking soil body in advance, and infiltration in advance is also discharged through sump and draining pump (11), and work surface water content of soil is reduced;
By above-mentioned steps, realize silt particle mud district hand pick formula jacking construction.
6. a kind of silt particle mud district according to claim 5 hand pick formula pipe jacking construction method, it is characterized in that: before step one, in active well (6) and active well (6) outward rearward side multiple well-points dewatering pipe (7) is set, carry out well-points dewatering, the degree of depth of well-points dewatering pipe (7) is greater than the degree of depth of active well (6).
7. a kind of silt particle mud district according to claim 5 hand pick formula pipe jacking construction method, is characterized in that: described soakaway trench (1) is in tilted layout, and rear end is lower.
8. a kind of silt particle mud district according to claim 5 hand pick formula pipe jacking construction method, is characterized in that: when to downstream push pipe, adopts vacuum draw draining at soakaway trench (1) mouth of pipe.
CN201410135674.2A 2014-04-07 2014-04-07 Silt particle mud district hand pick formula jacking construction device and method CN103883796B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104213628B (en) * 2014-08-15 2016-06-08 王永钢 Jacking mechanism for underground pipe culvert engineering
CN104455725B (en) * 2014-09-18 2016-08-17 叶长青 A kind of pipe jacking construction method
CN104315251B (en) * 2014-09-25 2016-05-18 济南城建集团有限公司 Artificial pipe jacking construction method under soil stone combination geological conditions
CN104975611B (en) * 2015-07-17 2017-01-04 河北二十冶建设有限公司 The heavy of the well-points dewatering pipe of liquid soil layer sets device and heavy equipment, method
CN110388530A (en) * 2019-06-13 2019-10-29 泉州市燃气有限公司 Drainage device is used in a kind of repairing of gas pipeline

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993020371A1 (en) * 1991-03-25 1993-10-14 Mcconnell W Harry Underground pipe replacement method and apparatus
CN102277898A (en) * 2011-04-28 2011-12-14 朱奎 Drain pipe jacking construction method
CN102434717A (en) * 2011-12-16 2012-05-02 中国建筑第八工程局有限公司 Construction method of joist steel pipe-jacking work pit
CN202834382U (en) * 2012-07-02 2013-03-27 中国石油化工股份有限公司 Pipe pushing headpiece used for condition of sludge clay
CN103046637A (en) * 2012-12-21 2013-04-17 广州市市政集团有限公司 Pipe-jacking construction method utilizing pipeline augering
CN203757177U (en) * 2014-04-07 2014-08-06 葛洲坝集团第一工程有限公司 Mud sand sludge area manual pipe jacking construction device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993020371A1 (en) * 1991-03-25 1993-10-14 Mcconnell W Harry Underground pipe replacement method and apparatus
CN102277898A (en) * 2011-04-28 2011-12-14 朱奎 Drain pipe jacking construction method
CN102434717A (en) * 2011-12-16 2012-05-02 中国建筑第八工程局有限公司 Construction method of joist steel pipe-jacking work pit
CN202834382U (en) * 2012-07-02 2013-03-27 中国石油化工股份有限公司 Pipe pushing headpiece used for condition of sludge clay
CN103046637A (en) * 2012-12-21 2013-04-17 广州市市政集团有限公司 Pipe-jacking construction method utilizing pipeline augering
CN203757177U (en) * 2014-04-07 2014-08-06 葛洲坝集团第一工程有限公司 Mud sand sludge area manual pipe jacking construction device

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