CN214615439U

CN214615439U - Large and medium-sized water tank deformation joint post-cast side wall single-side formwork system

Info

Publication number: CN214615439U
Application number: CN202023066046.3U
Authority: CN
Inventors: 罗进波; 翟洪; 杨延超; 赵轩; 韩青龙
Original assignee: China Construction Fourth Bureau Installation Engineering Co Ltd
Current assignee: China Construction Fourth Bureau Installation Engineering Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-11-05
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a side wall unilateral formwork system waters behind large and medium-sized pond movement joint department, unilateral formwork system by watering side pond wall, template earlier, to drawing bolt and fossil fragments and constitute. According to the single-side formwork supporting method, the post-pouring side formwork is connected and reinforced with the pre-pouring side pool wall through the water stop screw, the transverse and vertical steel pipe keels (namely the main ridges and the secondary ridges) are arranged on the outer side of the post-pouring side formwork, and the installed formwork and the pre-pouring side pool wall jointly form a formwork supporting system of the post-pouring side pool wall so as to resist lateral force generated in concrete pouring. The template is connected and reinforced with the wall of the first-pouring side pool by the water stop screw, the counter weight is not needed to be carried out in the later-pouring side pool, the damage to the waterproof and anti-seepage performance of the pool due to the fact that the ground anchor is additionally arranged on the bottom plate of the pool is avoided, the connection operation is convenient, the later-period dismantling is convenient, the time and the labor are saved, and the construction quality is improved.

Description

Large and medium-sized water tank deformation joint post-cast side wall single-side formwork system

Technical Field

The utility model relates to a municipal works water supply and drainage structures construction technical field specifically is a side wall unilateral formwork system waters behind large and medium-sized pond movement joint department.

Background

When the cast-in-place reinforced concrete water tank is constructed, deformation joints (or expansion joints) are required to be arranged on large and medium cast-in-place reinforced concrete water tanks in order to avoid cracks formed due to overlong concrete tank walls and temperature deformation. Due to the production process and the structural requirements of part of large and medium-sized tank bodies, deformation joints are always arranged in the middle of the inner side wall of the middle part, and both sides of each deformation joint are walls, so that the independent functions of the tank bodies on both sides and the waterproof requirements of the tank bodies are ensured. When large and medium-sized ponds need to be constructed in a sectional manner according to the positions of structural joints, the conventional bilateral formwork supporting construction is adopted for the first-pouring side inner wall, and when the later-pouring side formwork is constructed, the width of a deformation joint between the first-pouring side pond wall and the later-pouring side pond wall is generally narrow (the width is unequal and is about 20 mm-40 mm), the space is narrow, and only one-sided formwork supporting can be adopted for the later-pouring side.

Because the waterproof form of the pool is mainly structural self-waterproof, the waterproof quality of the pool body is seriously influenced by adding a ground anchor on a pool bottom plate, a common single-side support formwork supporting method is difficult to be applied to the post-cast side wall single-side formwork supporting at a deformation joint of a large and medium-sized pool, and a construction method and a process for supporting a single-side formwork which have small influence on the structure and the water resistance and seepage prevention are adopted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big-and-middle-sized pond movement joint department pool wall unilateral side formwork method has solved the problem that provides among the above-mentioned background art.

The utility model discloses an adopt following technical scheme to overcome above technical problem, specifically do:

a post-cast side wall single-side formwork system at a deformation joint of a large and medium-sized pool comprises a pre-cast side pool wall (2), a water stop screw I (4) is pre-embedded in the pre-cast side pool wall (2), the pre-embedded water stop screw I (4) is uniformly distributed, a post-cast formwork (11) is arranged on one side of the pre-cast side pool wall (2), and a formwork supporting system of the post-cast side pool wall is formed; set up the stagnant water screw rod two (13) that correspond with water screw rod (4) position on pouring template (11) after, adopt the screw joint to form the split bolt system between stagnant water screw rod (4) and the corresponding stagnant water screw rod two (13), make and form stable template reinforcing system, the yawing force that produces when this system is in order to resist concrete placement need not to carry out the counter weight in the side pond of watering after, also avoid destroying the waterproof and anti-seepage performance in pond because of adding on the bottom plate of the pool and establishing the earth anchor, connect convenient operation, it is convenient that later stage demolishs, time saving and labor saving, construction quality is improved. Preferably, a plastic plate is arranged at the contact position of the pre-cast side pool wall (2) and the post-cast template (11) to form an expansion joint (1), and a split bolt system penetrates through the expansion joint (1).

Preferably, the inner side of the side pool wall (2) which is cast in advance is provided with a tapered groove (3) which is convenient for the opposite pulling of the first water stop screw rod (4) in the later period.

Preferably, a connecting sleeve (12) with internal threads is arranged at the joint of the first water-stopping screw (4) and the corresponding second water-stopping screw (13), so that the first water-stopping screw (4) and the corresponding second water-stopping screw (13) can be detached conveniently.

Preferably, the steel pipe keel (9) is arranged on the outer side of the rear pouring template (11) for reinforcement, so that a stable template reinforcement system is formed.

Preferably, the steel pipe keel (9) comprises a horizontal keel and a vertical keel, the vertical keel is an inferior ridge, the lateral sides of the poured concrete are uniformly distributed on the outer side of the rear pouring template (11) to uniformly disperse and transfer lateral pressure of the poured concrete, the horizontal keel is a main ridge, and the lateral keel is fixed on the outer side of the vertical keel through a water stop screw rod II (13) at uniform intervals and is connected and reinforced with the side pool wall (2) which is poured in advance so as to resist lateral load of the poured concrete.

Preferably, a post-cast side pool wall (10) is formed in the post-cast formwork (11), horizontal construction joints (8) at corresponding positions are arranged on the post-cast side pool wall (10) and the pre-cast side pool wall (2), a water stop steel plate (5) is arranged on the horizontal construction joints (8), and the water stop steel plate (5) is located in the post-cast side pool wall (10) and the pre-cast side pool wall (2) in a distributed mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses to watering side wall unilateral template after large-and-medium-sized pond movement joint department and adopt the stagnant water screw rod and water the side pool wall connection earlier and consolidate, the template outside sets up violently perpendicular bidirectional steel pipe fossil fragments (main promptly, inferior stupefied), it has formed the template support system of watering the side pool wall after with watering the side pool wall earlier jointly to the yawing force that produces when resisting concrete placement need not to water the counter weight in the side pool after, also avoid destroying the waterproof seepage prevention performance in pond because of adding on the bottom plate of the pool and establishing the earth anchor, connect convenient operation, it is convenient that the later stage is demolishd, time saving and labor saving, construction quality is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of a single-sided template set-up of the present invention;

FIG. 2 is a schematic view of a post-cast side form water stop screw connection reinforcing structure of the invention;

in the figure: 1-deformation joint, 2-casting side pool wall firstly, 3-tapered groove, 4-water stop screw rod I, 5-water stop steel plate, 6-casting side bottom plate firstly, 7-casting side bottom plate secondly, 8-horizontal construction joint, 9-keel, 10-casting side pool wall secondly, 11-template, 12-connecting sleeve and 13-water stop screw rod II.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-2, in the embodiment of the present invention, a post-cast side wall single-side formwork system at deformation joint of large and medium size water pool comprises a pre-cast side pool wall (2), a water stop screw (4) is pre-embedded in the pre-cast side pool wall (2), and the pre-cast water stop screw (4) is uniformly distributed, a post-cast formwork (11) is arranged on one side of the pre-cast side pool wall (2) to form a formwork support system of the post-cast side pool wall; and a water stop screw rod II (13) corresponding to the water screw rod I (4) is arranged on the rear pouring template (11), and a split bolt system is formed between the water stop screw rod I (4) and the corresponding water stop screw rod II (13) by adopting threaded connection, so that a stable template reinforcing system is formed. Wherein a plastic plate is arranged at the contact position of the first casting side pool wall (2) and the later casting template (11) to form an expansion joint (1), and a split bolt system penetrates through the expansion joint (1); the inner side of the first casting side pool wall (2) is provided with a conical groove (3) which is convenient for the later-stage opposite pulling of the first water-stopping screw rod (4); a connecting sleeve (12) with internal threads is arranged at the joint of the first water stopping screw rod (4) and the corresponding second water stopping screw rod (13), so that the first water stopping screw rod (4) and the corresponding second water stopping screw rod (13) can be detached conveniently; arranging steel pipe keels (9) on the outer sides of the rear pouring formworks (11) for reinforcement to form a stable formwork reinforcement body system; the steel pipe keel (9) consists of a horizontal keel and a vertical keel, the vertical keel is a secondary ridge and is uniformly distributed on the outer side of the rear pouring template (11) to uniformly disperse and transfer the lateral pressure of concrete pouring, the horizontal keel is a main ridge and is fixed on the outer side of the vertical keel through a water stop screw rod II (13) at uniform intervals to be connected and reinforced with the first pouring lateral pool wall (2) so as to resist the lateral load of the poured concrete; and a post-pouring side pool wall (10) is formed in the post-pouring template (11), horizontal construction joints (8) at corresponding positions are arranged on the post-pouring side pool wall (10) and the pre-pouring side pool wall (2), a water stop steel plate (5) is arranged on the horizontal construction joints (8), and the water stop steel plate (5) is respectively positioned in the post-pouring side pool wall (10) and the pre-pouring side pool wall (2).

During concrete construction

The formwork system of this embodiment comprises the side pool wall of watering earlier, pour the template after, split bolt (stagnant water screw rod one and stagnant water screw rod two constitute) and fossil fragments.

The post-cast side formwork is erected after the strength of the concrete of the pre-cast side pool wall meets the requirement, the post-cast formwork and the pre-cast side pool wall are connected and reinforced by a water stop screw, and transverse and vertical steel pipe keels are arranged on the outer side of the post-cast formwork for reinforcement, so that a stable post-cast side pool wall formwork reinforcing system is formed to resist the lateral force generated during concrete casting; the water stop screw consists of a first water stop screw and a second rear water stop screw, and is buried when the first water stop screw and the second rear water stop screw are erected respectively along with the first pouring pool wall formwork and the second pouring pool wall formwork, the second water stop screw is connected with the first water stop screw after the first pouring side concrete reaches the strength, and the connection mode is in a threaded connection or welding mode.

In the construction process, the rear pouring template adopts a wood plywood, the screw adopts a three-section water stop screw, and the horizontal and vertical spacing of the water stop screw is controlled between 40 and 50 cm; the main edge keel and the secondary edge keel on the outer side of the template are made of phi 50 steel pipes, the secondary edges are evenly vertically arranged along the pool wall at an interval of 10cm, the interval of the main edge keel is the same as that of the water stop screw, the main edge keel and the water stop screw are evenly transversely arranged along the pool wall, and the main edge keel and the water stop screw are fastened by butterfly buckles.

In the construction process, after the concrete of the first-cast side pool wall reaches the design strength, a post-cast side pool wall formwork system is erected, when the three-section water stop screw of the post-cast side pool wall is installed, one side outer rod is disassembled, and the inner rod is directly connected to the inner and outer rod connecting sleeve of the first-cast side three-section water stop screw; therefore, the length of the post-casting side pool wall three-section water stop screw inner rod is at least the sum of the thickness of the post-casting side pool wall, the width of the deformation joint and the length of the wire-connected pre-casting side pool wall section.

In the construction process, after the water-stopping screw rod of the post-pouring side pool wall connecting and reinforcing template is installed, the tapered groove of the water-stopping screw rod of the pre-pouring side pool wall is blocked by polymer cement mortar before the template is installed.

In the construction process, when a deformation joint between two tank walls needs to be filled with a material which cannot be installed after a poly-plastic plate or other concrete is poured, the deformation joint needs to be installed simultaneously with or before a template, and is firmly connected with the side tank wall which is poured in advance.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. However, all changes which come within the scope of the independent claims of the invention are to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. The utility model provides a side wall unilateral formwork system of watering after large and medium-sized pond movement joint department, including watering side pool wall (2) earlier, pre-buried stagnant water screw rod (4) and this pre-buried stagnant water screw rod (4) evenly distributed in watering side pool wall (2) earlier, its characterized in that: a post-pouring template (11) is arranged on one side of the pre-pouring side pool wall (2) to form a template supporting system of the post-pouring side pool wall; and a water stop screw rod II (13) corresponding to the water screw rod I (4) is arranged on the rear pouring template (11), and a split bolt system is formed between the water stop screw rod I (4) and the corresponding water stop screw rod II (13) by adopting threaded connection, so that a stable template reinforcing system is formed.

2. The single-side formwork system for the post-cast side wall at the deformation joint of the large and medium-sized water pool according to claim 1, characterized in that: a plastic plate is arranged at the contact position of the first casting side pool wall (2) and the later casting template (11) to form an expansion joint (1), and a split bolt system penetrates through the expansion joint (1).

3. The single-side formwork system for the post-cast side wall at the deformation joint of the large and medium-sized water pool according to claim 1, characterized in that: the inner side of the side pool wall (2) is provided with a tapered groove (3) so as to facilitate the opposite pulling of the water stop screw rod I (4) in the later period.

4. The single-side formwork system for the post-cast side wall at the deformation joint of the large and medium-sized water pool according to claim 1, characterized in that: a connecting sleeve (12) with internal threads is arranged at the joint of the first water stopping screw rod (4) and the second water stopping screw rod (13) so as to facilitate the removal of the first water stopping screw rod (4) and the second water stopping screw rod (13).

5. The single-side formwork system for the post-cast side wall at the deformation joint of the large and medium-sized water pool according to claim 1, characterized in that: and steel pipe keels (9) are arranged on the outer sides of the rear pouring formworks (11) for reinforcement, so that a stable formwork reinforcement body system is formed.

6. The single-side formwork system for the post-cast side wall at the deformation joint of the large and medium-sized water pool according to claim 5, characterized in that: the steel pipe keel (9) comprises a horizontal keel and a vertical keel, the vertical keel is an inferior ridge, the concrete pouring lateral pressure is uniformly distributed and transmitted outside the rear pouring template (11), the horizontal keel is a main ridge, and the horizontal keel is fixed outside the vertical keel through a water stop screw rod II (13) at uniform intervals and is connected and reinforced with the side pool wall (2) which is poured in advance so as to resist the lateral load of the poured concrete.

7. The single-side formwork system for the post-cast side wall at the deformation joint of the large and medium-sized water pool according to claim 1, characterized in that: and a post-pouring side pool wall (10) is formed in the post-pouring template (11), horizontal construction joints (8) at corresponding positions are arranged on the post-pouring side pool wall (10) and the pre-pouring side pool wall (2), a water stop steel plate (5) is arranged on the horizontal construction joints (8), and the water stop steel plate (5) is respectively positioned in the post-pouring side pool wall (10) and the pre-pouring side pool wall (2).