CN202809611U - Grouting conduit restraint ring installation structure - Google Patents

Grouting conduit restraint ring installation structure Download PDF

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Publication number
CN202809611U
CN202809611U CN 201220537407 CN201220537407U CN202809611U CN 202809611 U CN202809611 U CN 202809611U CN 201220537407 CN201220537407 CN 201220537407 CN 201220537407 U CN201220537407 U CN 201220537407U CN 202809611 U CN202809611 U CN 202809611U
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CN
China
Prior art keywords
confinement ring
grouting pipe
reinforcing cage
grouting
reinforcing
Prior art date
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Active
Application number
CN 201220537407
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Chinese (zh)
Inventor
王乾
王国志
朱伯飞
武纪满
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1 ST CONSTRUCTION CO Ltd OF 22 MCC GROUP
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1 ST CONSTRUCTION CO Ltd OF 22 MCC GROUP
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Publication date
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Priority to CN 201220537407 priority Critical patent/CN202809611U/en
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Publication of CN202809611U publication Critical patent/CN202809611U/en
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Abstract

A grouting conduit restraint ring installation structure comprises a grouting conduit and a reinforcement cage; restraint rings made of a metal pipe of 3-5 centimeters are fixed on the inner sides of reinforcing ribs of the reinforcement cage after reinforcing ribs are bound; the arrangement distance between the restraint rings along the length direction of the grouting conduit is identical to the distance between the reinforcing ribs and is 2 meters; the restraint rings are welded on the inner sides of the reinforcing ribs of the reinforcement cage. The grouting conduit restraint ring installation structure can standardize production mode, simplify construction operation, improve efficiency of labor, solve the problem of slurry leakage on the position of a stirrup when a wall is produced, reduce continuous input, save cost, and ensure quality of a prefabricated part.

Description

Grouting pipe confinement ring mounting structure
Technical field
The utility model relates to a kind of architecture construction plant equipment, specifically, relates to a kind of grouting pipe confinement ring mounting structure.
Background technology
The castinplace pile Post Grouting Technique is the effective new technique that improves bearing capacity of pile foundation that the Ministry of Construction encourages popularization, but adopt this technology Effective Raise ordinary concrete castinplace pile bearing capacity of single pile more than 30%, rely on its outstanding economic serviceability, this technology is used widely in increasing Foundation Design.As one critical process guaranteeing this technology construction quality, the installation of grouting pipe control is seemed particularly important.
At present, during the post grouting under pile filling pile construction, generally rear slurry pressuring tube and reinforcing cage are carried out colligation or be welded and fixed, insert in the sediment layer for guaranteeing the pile end grouting valve, with reinforcement cage immersion on earth, and do not adopt the position of not hanging muscle control reinforcing cage.Like this, the one, under the reinforcing cage Gravitative Loads, grouting pipe and pile end grouting valve are fragile; The 2nd, verticality and the pile body topping of reinforcing cage in pile body is wayward; The more important thing is; revolve the castinplace pile that digs with the mud off pore-forming for employing; when pore-forming; because secondary or factors such as clear hole and hole depth measure error repeatedly; usually cause backbreak or the hole at the bottom of be lower than the design elevation phenomenon; and reinforcing cage is certain according to designing pile length making length; after reinforcing cage is transferred to the end; cage top mark height will be lower than the design of pile top absolute altitude; after cutting the protection pile crown, will find reinforcing cage reservation anchor rib curtailment in the later stage; serious even can't see reinforcing bar, cause certain mass hidden danger to engineering, and deal with very trouble.If adopt to lengthen reinforcing cage or later stage when making reinforcing cage and cut spreading anchor rib method behind the protection pile crown in early days, then will certainly cause manpower and waste of material, increase construction cost.。
The utility model content
For above-mentioned deficiency of the prior art, the utility model provides a kind of can guarantee construction quality, improve efficiency of construction and save raw-material grouting pipe confinement ring mounting structure.
Technical solution adopted in the utility model is:
A kind of grouting pipe confinement ring mounting structure comprises grouting pipe and reinforcing cage, and the confinement ring that the 3-5cm metal tube is made is fixed in the complete reinforcing cage reinforcing rib inboard of colligation.
Described confinement ring is identical with the spacing of reinforcing rib along the arrangement pitch of grouting pipe length direction, and spacing is 2m.
It is inboard that described confinement ring is welded in the reinforcing cage reinforcing rib.
The beneficial effect of the relative prior art of the utility model:
The utility model grouting pipe confinement ring mounting structure can the standard mode of production, simplifies constructing operation, raises labour efficiency; The spillage problem of stirrup position when solving body of wall production; Reduce and continue input, save cost, guaranteed the quality of prefabricated units.
Description of drawings
Fig. 1 is post grouting under pile castinplace pile process principle figure;
Fig. 2 is construction schematic diagram of the present utility model;
Fig. 3 is reinforcing cage sectional schematic diagram of the present utility model;
Fig. 4 is the utility model confinement ring and grouting pipe scheme of installation;
Fig. 5 is the schematic diagram of untiing one by one interim colligation point in the utility model when the cage hand-hole from bottom to top;
Fig. 6 utilizes during placement of cage of reinforcing bar in the utility model to hang the high schematic diagram of muscle control reinforcing cage top mark.
Critical piece symbol description in the accompanying drawing:
Among the figure:
1, grouting pipe 2, each geological stratification
3, bearing stratum 4, grouting valve
5, cement paste 6, sediment layer
7, reinforcing cage 8, confinement ring
9, hanging beam 10, casing
11, reinforcing rib 12, hang muscle
13, iron wire 14, weld seam.
The specific embodiment
Referring to drawings and Examples the utility model is described in detail:
Accompanying drawing 1-6 as can be known, a kind of grouting pipe confinement ring mounting structure comprises grouting pipe 1 and reinforcing cage 7, the confinement ring 8 that the 3-5cm metal tube is made is fixed in complete reinforcing cage reinforcing rib 11 inboards of colligation; Described confinement ring 8 is identical with the spacing of reinforcing rib along the arrangement pitch of grouting pipe length direction, and spacing is 2m; Described confinement ring 8 is welded in reinforcing cage reinforcing rib 11 inboards.
The utility model construction sequence is as follows:
At first confinement ring is made; Then carrying out successively confinement ring fixes; Grouting pipe is installed; The cage hand-hole, lighten restrictions in place.
Concrete steps:
A. make the confinement ring 8 of constraint grouting pipe 1;
B. the fixed constraint ring 8; The confinement ring 8 of making is fixedly welded on reinforcing rib 11 inboards on the complete reinforcing cage of colligation 7;
C., grouting pipe 1 is installed; Grouting pipe is penetrated in the confinement ring 8 one by one along length of reinforcing cage, utilize 12# iron wire 13 that grouting pipe and reinforcing cage are carried out interim colligation in each confinement ring position and fix;
D. the cage hand-hole, lighten restrictions in place: after the pore-forming operation is finished, the reinforcing cage that installs grouting pipe is hung in the hole; Locate along with reinforcing cage is put into the degree of depth in the hole in the aperture, untie one by one the interim colligation fixed point of grouting pipe and reinforcing cage from bottom to top, at the bottom of making grouting pipe sink down into the hole in deadweight or by External Force Acting, thereby guaranteed that the pile grouting valve inserts in the pile bottom sediment layer, higher when water level in the hole, when buoyancy is larger, must be again that the conduit upper end is firm with the reinforcing cage colligation after conduit inserts the stake end; After reinforcing cage was put into the hole, employing was hung muscle and is hung reinforcing cage, and control cage top mark is high consistent with design elevation.
Described confinement ring 1 is metal tube.
The length of described metal tube is 3-5cm, and the diameter of described metal tube is than large two specifications of grouting pipe intended diameter.
Describedly at first hang a logical line along the position that grouting pipe need to be installed when the fixed constraint ring, the relevant position that the reinforcing rib of confinement ring is installed at need makes a mark; The relevant position fixed constraint ring that is making marks.To guarantee that confinement ring is along catheter length direction arranged concentric.
The fixed form of described confinement ring is welding.
Described grouting pipe and reinforcing cage fixed form are that colligation is fixed.
During described installation conduit, conduit upper end is stretched out the length on reinforcing cage top and is advisable can exceed the high 30-50cm of casing top mark, when being beneficial to later stage slip casting with being connected of slip casting flexible pipe; The length of reinforcing cage is stretched out to be advisable greater than 10cm in the lower end, is beneficial to the installation of pile grouting valve.
During described making reinforcing cage, the reservation anchor bar of reinforcing cage upper end edge catheter position and conduit are beneficial to the fixing of grouting pipe rear upper end in place and reinforcing cage with length or than the short 30-50cm in conduit upper end.
Described confinement ring is consistent with the vertical spacing of the reinforcing rib of reinforcing cage along the spacing of duct direction, is generally 2m.
The method points for attention of utilizing confinement ring that grouting pipe is installed of the present utility model:
. the diameter of steel tube as confinement ring will take into full account the middle connected mode of grouting pipe, should guarantee that conduit can pass through in confinement ring smoothly;
. confinement ring must be with one heart vertical along duct direction, is beneficial to the installation of conduit;
. interim colligation point must be firmly, the deadweight that the point of colligation especially topmost must bear whole conduit;
. to lighten restrictions on one by one to the interim colligation point of conduit from bottom to top during the cage hand-hole, must not omit;
. when conduit is installed, catheter length should on stretch out reinforcing cage top certain-length, generally be advisable can exceed the high 30-50cm of casing top mark, when being beneficial to later stage slip casting with being connected of slip casting flexible pipe; The reinforcing cage certain-length is stretched out in the lower end, generally to be advisable greater than 10cm, is beneficial to the installation of pile grouting valve;
Higher when water level in the hole, when buoyancy is larger, must be again with conduit upper end and reinforcing cage colligation or firm welding after conduit inserts the stake end.Therefore, when making reinforcing cage, the reservation anchor bar of reinforcing cage upper end edge catheter position and conduit are beneficial to the fixing of grouting pipe rear upper end in place and reinforcing cage with length or than the short 30 ~ 50cm in conduit upper end.

Claims (3)

1. a grouting pipe confinement ring mounting structure comprises grouting pipe and reinforcing cage, it is characterized in that: the confinement ring that the 3-5cm metal tube is made is fixed in the complete reinforcing cage reinforcing rib inboard of colligation.
2. described grouting pipe confinement ring mounting structure according to claim 1, it is characterized in that: described confinement ring is identical with the spacing of reinforcing rib along the arrangement pitch of grouting pipe length direction, and spacing is 2m.
3. described grouting pipe confinement ring mounting structure according to claim 1, it is characterized in that: it is inboard that described confinement ring is welded in the reinforcing cage reinforcing rib.
CN 201220537407 2012-10-20 2012-10-20 Grouting conduit restraint ring installation structure Active CN202809611U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220537407 CN202809611U (en) 2012-10-20 2012-10-20 Grouting conduit restraint ring installation structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220537407 CN202809611U (en) 2012-10-20 2012-10-20 Grouting conduit restraint ring installation structure

Publications (1)

Publication Number Publication Date
CN202809611U true CN202809611U (en) 2013-03-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220537407 Active CN202809611U (en) 2012-10-20 2012-10-20 Grouting conduit restraint ring installation structure

Country Status (1)

Country Link
CN (1) CN202809611U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103184738A (en) * 2012-10-20 2013-07-03 二十二冶集团第一建设有限公司 Grouting guide pipe restraint ring mounting structure and method for mounting grouting guide pipes by using restraint rings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103184738A (en) * 2012-10-20 2013-07-03 二十二冶集团第一建设有限公司 Grouting guide pipe restraint ring mounting structure and method for mounting grouting guide pipes by using restraint rings
CN103184738B (en) * 2012-10-20 2015-02-04 二十二冶集团第一建设有限公司 Grouting guide pipe restraint ring mounting structure and method for mounting grouting guide pipes by using restraint rings

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