CN102383601B - Method and device for leading pre-embedded pipes in concrete out of side wall joints - Google Patents

Abstract

The invention relates to a method for leading pre-embedded pipes in concrete out of side wall joints, comprising the following steps: A, positioning a pipe pre-embedded in concrete; B, binding reinforcing steel bars of side walls according to the design requirements, and erecting a template of a side wall; C, connecting one end of a casing with the pre-embedded pipe, sealing the other end of the casing for protection, and clinging the other end of the casing to the template of the side wall; D, pouring concrete; and E, detaching the template of the side wall after the strength of the concrete reaches the mould stripping requirement, cleaning up the opening of the casing, connecting the casing with a pipe of same diameter, and leading out the casing. Due to the steps, the construction of leading the pre-embedded pipe in the concrete out of side wall joints is realized. Because the pre-embedded pipe in the concrete is connected with the casing through screw threads, the external sealing and internal unblocking of the pre-embedded pipe are ensured. After finishing pouring the concrete and stripping the mould, the pre-embedded casing is connected with the pipe of same diameter, and the pre-embedded casing is led out of the side wall joints without disposing holes on the template of the side wall, thus the template is kept complete, the cost is reduced, and the construction efficiency is improved.

Description

Concrete internal embedded pipe is drawn job practices and the device at side wall parting place

Technical field

The present invention relates to job practices and device that job practices, particularly a kind of connection that a kind of inside concrete built-in pipe mouth of pipe draws are poured into the inside concrete built-in pipe.

Background technology

In the water power concrete construction, the concrete domestic demand is buried the pipelines such as cooling water pipe and grout pipe underground, and for dam concrete temperature control and joint grouting etc., this kind of built-in pipe is mostly iron pipe, and the mouth of pipe need be drawn from concrete side wall parting (or gallery side-walls).When built-in pipe is crossed side wall parting place in the past, need be on side wall template face pore-creating or part be adjusted into the wooden form construction, this all can be by damaged template, and has increased the form removable difficulty, affects construction period and construction quality.

Summary of the invention

Technical problem to be solved by this invention is to provide job practices and the device that a kind of concrete internal embedded pipe is drawn side wall parting place, can solve the technical barrier of inside concrete pipe laying construction needs destruction template in prior art.

For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of concrete internal embedded pipe is drawn the job practices at side wall parting place, comprises the following steps:

A, location concrete internal embedded pipe, cause built-in pipe the assigned address at side wall parting place, and, in mouth of pipe machining screw, built-in pipe be fixedly connected with reinforcing bar with pipe clamp with iron wire;

B, according to the designing requirement assembling reinforcement, vertical side wall template;

One end of C, sleeve pipe is connected with built-in pipe, by sleeve pipe other end shutoff protection, and is close to the side wall template;

D, concreting, strengthen the protection to the sleeve pipe mouth of pipe in casting process, and calibration template sideline at any time;

E, when concrete strength reaches the form removal requirement, by the side wall form removable, the mouth of pipe of cleaning sleeve pipe, and connect and to draw with indentical tube;

Realize the inside concrete built-in pipe is drawn the construction at side wall parting place by above-mentioned steps.

Described shutoff protection is with Polypropylence Sheet and butter shutoff.

In described step C, the position of being close to according to sleeve pipe, make mark at the another side of side wall template.

A kind of inside concrete pipe burying device, sleeve pipe one end is connected with built-in pipe, is close to the side wall template after other end shutoff.

Be provided with the countersunk head plug in described sleeve pipe.

A kind of concrete internal embedded pipe provided by the invention is drawn job practices and the device at side wall parting place, by the method that adopts sleeve pipe to connect, has changed traditional built-in pipe and has directly passed the job practices of side wall template.Owing at the service sleeve two ends, screw thread being set, by screw thread, concrete internal embedded pipe is connected with sleeve pipe, guarantee the outside seal of built-in pipe, inner unimpeded, after concreting completes form removal, adopt indentical tube to be connected with service sleeve in earlier stage, it is drawn to side wall parting place, need pore-creating on the side wall template, kept the integrality of side wall template, reduce cost, also improved efficiency of construction; Pipe laying is installed at twice, avoids the crossed construction with the side wall template, has reduced difficulty of construction, has guaranteed construction quality and progress.

The accompanying drawing explanation

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

Fig. 1 is overall structure schematic diagram of the present invention.

The schematic diagram that Fig. 2 is countersunk head plug in the present invention.

The specific embodiment

In Fig. 1, a kind of concrete internal embedded pipe is drawn the job practices at side wall parting place, comprises the following steps:

A, according to design drawing and Construction Specifications, the clear pipe of sign number and group number etc., location concrete internal embedded pipe 1, cause built-in pipe 1 assigned address at side wall parting place, and, in mouth of pipe machining screw, built-in pipe 1 be fixedly connected with reinforcing bar with pipe clamp with iron wire;

B, according to the designing requirement assembling reinforcement, vertical side wall template; And be fixed with steel pipe waling and tie rod etc.

One end and the built-in pipe 1 of C, sleeve pipe 2 are threaded connection, and by sleeve pipe 2 other end shutoff protections, and are close to side wall template 4; Specifically; the built-in pipe 1 of needs being drawn to the parting place causes side wall, and built-in pipe 1 nose end is installed the caliber sleeve pipe 2 slightly larger than built-in pipe, and the length of sleeve pipe 2 can be determined according to construction is actual; the other end of sleeve pipe 2 need be close to the installation of side wall template, and the mouth of pipe is protected.The position of being close to according to sleeve pipe 2, make mark at the another side of side wall template 4.

The mouth of pipe of sleeve pipe 2 can be with the mouth of pipe of Polypropylence Sheet and butter shutoff sleeve pipe 2, the mode of optimizing is, adopt 5 shutoff of countersunk head plug, the plug that described countersunk head plug 5 is the entire body screw thread, with sleeve pipe 2 be threaded engagement, can be fully upper in sleeve pipe 2, do not affect the space of sleeve pipe 2 mouths of pipe, sleeve pipe 2 mouths of pipe still can be close to side wall template 4, coordinate Polypropylence Sheet and butter plugging effect more excellent, end face at countersunk head plug 5 is provided with cross recess, is beneficial to dismounting.

D, after the constructions such as position in storehouse template, built-in fitting meet the requirements, start concreting, casting method is identical with conventional concrete construction, the protection of reinforcement to sleeve pipe 2 mouths of pipe in casting process, and calibration template sideline at any time, guarantee pouring quality.

E, when concrete strength reaches the form removal requirement, by the side wall form removable, during form removal, according to the mark on side wall template 4, determine the position of sleeve pipe 2 mouths of pipe.The purpose made marks is, while building, concrete grout smash shake and concrete self pressure under, likely enter into the position between sleeve pipe 2 mouths of pipe and side wall template, thereby sleeve pipe 2 mouths of pipe are hidden, can find fast the position of the mouth of pipe by mark, thereby increase work efficiency, this is especially effective for the occasion of having changed the constructor.

For the sleeve pipe 2 that is provided with countersunk head plug 5, cleaning countersunk head plug 5 cross recesses, can screw out countersunk head plug 5 easily.

Cleared up the mouth of pipe of sleeve pipe 2, can will be connected with sleeve pipe 2 with footpath access tube 3;

Realize the inside concrete built-in pipe is drawn the construction at side wall parting place by above-mentioned steps.

A kind of pipe burying device of the inside concrete for said method, sleeve pipe 2 one ends are connected with built-in pipe 1, are close to gallery side wall template 4 after other end shutoff.The scheme of optimizing is, as shown in Figure 1, Figure 2 in, be provided with countersunk head plug 5 in described sleeve pipe 2.

Claims (1)

1. a concrete internal embedded pipe is drawn the job practices at side wall parting place, it is characterized in that comprising the following steps:

A, location concrete internal embedded pipe (1), cause built-in pipe (1) assigned address at side wall parting place, and, in mouth of pipe machining screw, built-in pipe (1) be fixedly connected with reinforcing bar with pipe clamp with iron wire;

B, according to the designing requirement assembling reinforcement, vertical side wall template;

One end of C, sleeve pipe (2) is connected with built-in pipe (1), and sleeve pipe (2) other end, with Polypropylence Sheet and butter shutoff, and is close to side wall template (4); The position of being close to according to sleeve pipe (2), make mark at the another side of side wall template (4);

D, concreting, strengthen the protection to sleeve pipe (2) mouth of pipe in casting process, and calibration template sideline at any time;

E, when concrete strength reaches the form removal requirement, by the side wall form removable, the mouth of pipe of cleaning sleeve pipe (2), and connect and to draw with indentical tube;

Realize the inside concrete built-in pipe is drawn the construction at side wall parting place by above-mentioned steps.

Images