CN109914571B - Basement drainage ditch formwork system, pouring system and construction method - Google Patents

Basement drainage ditch formwork system, pouring system and construction method Download PDF

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Publication number
CN109914571B
CN109914571B CN201910211625.5A CN201910211625A CN109914571B CN 109914571 B CN109914571 B CN 109914571B CN 201910211625 A CN201910211625 A CN 201910211625A CN 109914571 B CN109914571 B CN 109914571B
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China
Prior art keywords
drainage ditch
formwork
basement
die
construction method
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Expired - Fee Related
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CN201910211625.5A
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Chinese (zh)
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CN109914571A (en
Inventor
陈维超
张明亮
魏丽
陈松伟
王曾光
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Hunan Provincial Construction Technology Research Institute
Hunan Construction Engineering Group Co Ltd
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Hunan Provincial Construction Technology Research Institute
Hunan Construction Engineering Group Co Ltd
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Publication of CN109914571A publication Critical patent/CN109914571A/en
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Abstract

The invention discloses a basement drainage ditch formwork system, a pouring system and a construction method. The basement drainage ditch formwork system comprises a bottom formwork, a left side formwork, a right side formwork and a support rod; the bottom die and the left and right side dies are connected to form a groove-shaped structure; the bottom die is provided with a plurality of longitudinal beams, a plurality of cross beams and a plurality of stiffening rib plates connected between the left side die and the right side die; the lower part of the supporting rod penetrates through the cross beam and fixedly connects the cross beam with the bottom die, and the upper part of the supporting rod extends out of a cavity surrounded by the bottom die and the two side dies and serves as a lifting part. The invention solves the defect of prominent appearance of the conventional post-cast strip, and the hanging mould can be repeatedly used and has popularization.

Description

Basement drainage ditch formwork system, pouring system and construction method
Technical Field
The invention relates to a basement drainage ditch formwork system, a pouring system and a construction method, and belongs to the technical field of concrete formwork construction.
Background
In the construction of constructional engineering, whether a drainage ditch is arranged at a post-cast strip of a basement floor or not generally has the following forms:
1. the post-cast strip of the basement floor is not used as a drainage ditch. The construction method is adopted, the phenomena of post-cast strip blockage and water accumulation in the year round often occur, so that the post-cast strip is difficult to clean, the steel bars are corroded, and the later-stage plugging quality is difficult to guarantee.
2. The basement bottom plate is provided with a sunken post-pouring belt. And (3) sinking the cushion layer by 50-150 mm to ensure that the post-cast strip does not accumulate water. Although the construction method can reduce the water accumulation degree of the post-cast strip, the construction method is not suitable for areas with abundant water in basements. When the bottom plate is poured, if plugging is not tight on two sides, slurry leakage is easy to block, and the later cleaning work is affected.
3. And a brick drainage ditch is arranged at the bottom of the post-cast strip of the basement floor. The construction method has the defects of various working procedures, narrow operation surface, no material saving and the like during building. And the whole building strength is not high and the construction is easy to collapse, the inner side of the trench needs secondary plastering after the building, the slope finding of the trench bottom is carried out again, arcs need to be made on the internal and external corners before the subsequent waterproof construction, and the whole construction progress of the post-cast strip is influenced.
Disclosure of Invention
The invention aims to provide a basement drainage ditch formwork system, a pouring system and a construction method.
In order to achieve the purpose, the invention adopts the technical scheme that:
a basement drain formwork system is structurally characterized by comprising a bottom formwork extending longitudinally, a left side formwork extending longitudinally, a right side formwork extending longitudinally and a support rod arranged vertically; the bottom die and the left and right side dies are connected to form a groove-shaped structure;
a plurality of longitudinal beams arranged longitudinally, a plurality of transverse beams arranged transversely and a plurality of stiffening rib plates connected between the left side mold and the right side mold are arranged on the bottom mold;
the lower part of the supporting rod penetrates through the cross beam and fixedly connects the cross beam with the bottom die, and the upper part of the supporting rod extends out of a cavity surrounded by the bottom die and the two side dies and serves as a lifting part.
Therefore, the drainage ditch formwork system is hoisted in the drainage ditch area, the drainage ditch can be formed after pouring, the operation is simple and convenient, and the reuse can be realized.
In the present invention, the longitudinal beam is preferably a longitudinal wood purlin. The cross beam is preferably a transverse wood purlin. The support rod is preferably a support screw.
The longitudinal direction of the invention is along the length direction of the drainage ditch, the transverse direction is along the width direction of the drainage ditch, and the vertical direction is along the height direction of the drainage ditch.
Preferably, end sealing plates are arranged at two ends of the left side die and the right side die and fixedly connect the bottom die and the left side die and the right side die together through the end sealing plates.
According to the embodiment of the invention, the invention can be further optimized, and the following is the technical scheme formed after optimization:
in order to facilitate demoulding, the side moulds are obliquely arranged, and the longitudinal sections of the two side moulds are integrally arranged in an inverted splayed shape.
According to the embodiment of the invention, the longitudinal beam is arranged close to the bottom die, and the transverse beam and the stiffening rib plate are arranged on the longitudinal beam.
Preferably, the stiffening rib plate is arranged between two adjacent cross beams.
In order to ensure the stiffening effect, the top end of the stiffening rib plate is flush with the top end of the side die.
Based on the same conception, the invention also provides a basement drainage ditch pouring system, which comprises a vertical supporting part pre-embedded on the original soil layer, a drainage ditch cushion layer poured on the original soil layer, two groups of longitudinally extending brick moulding beds fixed on the drainage ditch cushion layer and a horizontal supporting part supported at the top end of the brick moulding beds through temporary supporting points; the vertical supporting part is provided with the basement drainage ditch formwork system positioned between the two groups of brick moulding beds; the upper part of the supporting rod penetrates through the transverse supporting part and is fixedly connected with the anti-floating device arranged on the transverse supporting part.
Preferably, the vertical supporting part is a T-shaped supporting steel bar.
In order to facilitate demoulding, the top end of the side mould of the basement drainage ditch mould frame system is positioned above the concrete surface to be poured.
In order to guarantee the construction effect, the anti-floating device comprises a heavy object fixed on the transverse supporting part.
Based on the same invention concept, the invention also provides a construction method of the basement drainage ditch, which comprises the following steps:
s1, pre-burying a vertical supporting part in advance on the original soil layer;
s2, pouring drainage ditch cushion layers, and building brick bed moulds on two sides of the drainage ditch respectively after the strength is achieved;
s3, building the basement drainage ditch formwork system on the vertical supporting part;
s4, installing an anti-floating device on the basement drainage ditch formwork system,
and S5, pouring concrete among the basement drainage ditch formwork system, the drainage ditch cushion layer and the brick moulding bed, and dismantling the anti-floating device and the basement drainage ditch formwork system after the form removal strength is achieved.
Preferably, the bottom die is made of a wood template, two ends of the bottom die are cut with 60-degree oblique angles so as to be assembled conveniently, and the bottom of the bottom die is provided with an exhaust hole. The side mould is made of a wood template, the assembling end is cut into 60-degree oblique angles so as to be assembled, and in order to be convenient for disassembling the mould, the height of the side mould after being installed needs to be higher than the concrete surface after pouring.
Preferably, the joints of the two sides of the bottom die and the side die are provided with longitudinal wood purlin, the middle vertical ridge is provided with at least one vertical wood purlin according to the width and strength requirements of the bottom die, and the longitudinal wood purlin is specially processed according to the assembling angle so as to meet the assembling requirement. In order to ensure the integrity of the wooden square column, inverted trapezoidal stiffening rib plates are uniformly arranged on the longitudinal wooden square column.
The stiffening rib plates are made of wood templates, blanking is carried out according to the actual sizes of the upper opening and the lower opening of the hanging die, the side die and the longitudinal wood beam are respectively clamped, and the requirements on assembly angle and integrity are met.
After the hanging die is assembled and checked to be qualified, the hanging die is directly placed on the T-shaped supporting steel bars for positioning and correction, the anti-floating system is uniformly arranged on the hanging die, the anti-floating system is directly supported on the brick tire membrane through a temporary fulcrum, and a heavy object is applied to the upper portion of the transverse pipe for anti-floating.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, at the drainage ditch cushion layer, the basement drainage ditch formwork system is utilized, the drainage ditch cushion layer thickening method is combined, the drainage ditch is cast and formed at one time, the processes of secondary plastering, ditch bottom slope finding and the like are omitted, the process of making arc at the common internal and external corners is reduced by making the drainage ditch into the trapezoidal section, the paving and pasting of a waterproof tape measure are facilitated, the working surface is enlarged, the integrity is ensured, the finished product is beautiful and practical, and the use requirements of common projects can be met.
Drawings
FIG. 1 is a longitudinal cross-sectional view of one embodiment of the present invention;
FIG. 2 is a partial three-dimensional model effect diagram of the junction of the present invention;
FIG. 3 is a three-dimensional model effect diagram of the present invention.
In the figure
1-T-shaped supporting steel bars, 2-bottom moulds, 3-side moulds, 4-longitudinal wood beams, 5-transverse wood beams, 6-stiffening rib plates, 7-anti-floating systems, 8-exhaust holes, 9-supporting screws, 10-small iron sheets, 11-fastening nuts, 12-butterfly buckles, 13-transverse pipes, 14-weights, 15-cushion layers, 16-brick moulding beds, 17-temporary supporting points and 18-connecting parts.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
A basement drainage ditch formwork system is shown in figures 1-3 and comprises T-shaped supporting steel bars 1, a bottom formwork 2, side formworks 3, longitudinal wood beams 4, transverse wood beams 5, stiffening rib plates 6, an anti-floating system 7 and exhaust holes 8.
T type brace bar 1 carries out pre-buried in advance at former soil horizon, according to the escape canal slope trend, controls reinforcing bar top elevation well. The T-shaped supporting steel bars are welded by short steel bars with the diameter of 12mm, the distance is 500mm, 2T-shaped supporting steel bars are arranged in a row, the buried depth of the T-shaped supporting steel bars 1 is more than 50mm, and the roots are fixed by M5 cement mortar. And pouring a drainage ditch cushion layer 15 after the confirmation of no error, and respectively building brick moulding beds 16 at two sides of the drainage ditch after the strength is reached.
As shown in fig. 2 and 3, the bottom mold 2 is made of a wood template, two ends of the bottom mold are cut with 60-degree oblique angles for assembly, and the bottom of the bottom mold is provided with an exhaust hole 8 for exhausting and detecting the concrete pouring condition. The exhaust holes 8 are arranged at intervals of 1 along the length direction of the suspended mould, the aperture is 10mm, and other parts are avoided when the holes are opened. The side die 3 is made of a wood template, a 60-degree bevel angle is cut at the assembling end so as to be assembled, and in order to be convenient for disassembling the die, the height of the side die 3 after being installed is higher than the concrete surface after pouring. The joints of the two sides of the bottom die 2 and the side die 3 are provided with longitudinal wood purlin 4, the middle vertical ridge is provided with at least one vertical wood purlin according to the width and strength requirements of the bottom die, and the longitudinal wood purlin 4 needs to be specially processed according to the assembling angle so as to meet the assembling requirements.
In order to ensure the integrity of the assembled wood purlin, inverted trapezoidal stiffening rib plates 6 are uniformly arranged on the longitudinal wood purlin 4. The stiffening rib plates 6 are made of wood templates, blanking is carried out according to the actual sizes of the upper opening and the lower opening of the hanging mould, the side mould 3 and the longitudinal wood beam 4 are respectively fixed, and the stiffening rib plates 6 are arranged one at intervals of 460mm, so that the requirements on assembly angle and integrity are met.
When the suspended formwork system is used for construction of a bottom plate post-cast strip, after the suspended formwork template is assembled and checked to be qualified, the anti-floating system 7 is uniformly arranged, and the anti-floating system 7 consists of a transverse wood balk 5, a support screw rod 9, a fastening nut 11, a butterfly buckle 12 and a transverse pipe 13. The transverse wood purlin 5 needs to be fed according to the size of the side die 3, and two ends of the transverse wood purlin are cut into oblique angles of 120 degrees and clamped with the side die 3 and the longitudinal wood purlin 4. And a supporting screw 9 sequentially penetrates through the transverse wood purlin 5 and the bottom die 2, and a small iron sheet 10 is welded at one end of the supporting screw 9 close to the bottom die 2 to hold the bottom die 2. In order to evenly transmit the anti-floating stress, a butterfly buckle 12 is arranged on the supporting screw rod 9, a fastening nut 11 is arranged at the lower part of the supporting screw rod, and the supporting points are respectively a transverse pipe 13 and a transverse wood balk 5.
The transverse pipe 13 on the anti-floating system 7 is directly lapped on a brick-mould film 16 by using a temporary fulcrum 17, and a weight 14 is applied to the upper part of the anti-floating system for resisting floating. The temporary supporting point 17 is not set too high or too low, and is combined with an anti-floating system to ensure that the applied load is uniform and consistent, and the suspended mould is not crushed on the premise of meeting the anti-floating effect.
And after the anti-floating system 7 is arranged, the inspection and acceptance are qualified, concrete is poured in a segmented and layered mode, the first layer is poured to the bottom of the hanging mould of the drainage ditch, and the slurry is observed to overflow from the hanging mould exhaust hole 8. The second layer is directly poured to the trench surface before the initial setting of the concrete at the bottom. And (3) avoiding the positions of the formwork lifting interface and the reinforcing steel bar supporting point as much as possible during concrete pouring, and sequentially dismantling the formworks after the formwork dismantling strength is reached for repeated use.
According to the invention, at the drainage ditch cushion layer, the trapezoidal drainage ditch hanging mould is combined through the template, the batten and the screw, the bottom vertical supporting part (T-shaped supporting reinforcing steel bar) is used as a hanging mould support, and the drainage ditch cushion layer thickening method is combined to cast and form the post-cast strip drainage ditch at one time.
The present invention and its embodiments have been described above schematically, but the description is not limiting, and the actual method is not limited thereto. Therefore, if the person skilled in the art receives the teaching, the similar structural modes and embodiments to those of the technical solution are not creatively designed without departing from the spirit of the invention, and the invention also belongs to the protection scope of the invention.

Claims (13)

1. A basement drainage ditch pouring system is characterized by comprising a vertical supporting part pre-buried on an original soil layer, a drainage ditch cushion layer (15) poured on the original soil layer, two groups of longitudinally extending brick moulding beds (16) fixed on the drainage ditch cushion layer (15), and a transverse supporting part supported at the top ends of the brick moulding beds (16) through temporary supporting points (17); the vertical supporting part is provided with a basement drainage ditch formwork system positioned between the two groups of brick moulding beds (16);
the basement drainage ditch formwork system comprises a bottom formwork (2) extending longitudinally, a left side formwork (3) and a right side formwork (3) extending longitudinally, and a supporting rod arranged vertically; the bottom die (2) is connected with the left side die and the right side die (3) to form a groove-shaped structure;
a plurality of longitudinal beams arranged longitudinally, a plurality of transverse beams arranged transversely and a plurality of stiffening rib plates (6) connected between the left side mold and the right side mold (3) are arranged on the bottom mold (2);
the lower part of the support rod penetrates through the cross beam and fixedly connects the cross beam with the bottom die (2), and the upper part of the support rod extends out relative to a cavity surrounded by the bottom die (2) and the two side dies (3) and serves as a lifting part;
the upper part of the supporting rod penetrates through the transverse supporting part and is fixedly connected with the anti-floating device arranged on the transverse supporting part.
2. The basement drain runner system of claim 1, wherein the vertical support portion is a T-brace bar (1).
3. The basement drainage ditch casting system of claim 1, wherein the top ends of the side forms (3) of the basement drainage ditch formwork system are located above the concrete surface to be poured.
4. The basement drain casting system according to claim 1, wherein the anti-floating device includes a weight (14) secured to the lateral support.
5. The basement drainage ditch casting system according to any one of claims 1-4, wherein the side forms (3) are arranged obliquely, and the longitudinal sections of the two side forms are integrally arranged in an inverted V shape.
6. The basement drain runner system according to any of claims 1-4, wherein the longitudinal beams are placed against the bottom formwork (2) and the cross beams and the stiffening ribs (6) are placed on the longitudinal beams.
7. The basement drain runner system of claim 6, wherein the stiffening ribs (6) are disposed between two adjacent cross beams.
8. The basement drain runner system according to any one of claims 1-4, wherein the top ends of the stiffening ribs (6) are disposed flush with the top ends of the side forms.
9. A construction method of a basement drainage ditch is characterized by comprising the following steps:
s1, pre-burying a vertical supporting part in advance on the original soil layer;
s2, pouring a drainage ditch cushion layer (15), and building brick moulding beds (16) on two sides of the drainage ditch respectively after the strength is achieved;
s3, building a basement drainage ditch formwork system on the vertical supporting part; the basement drainage ditch formwork system comprises a bottom formwork (2) extending longitudinally, a left side formwork (3) and a right side formwork (3) extending longitudinally, and a supporting rod arranged vertically; the bottom die (2) is connected with the left side die and the right side die (3) to form a groove-shaped structure;
a plurality of longitudinal beams arranged longitudinally, a plurality of transverse beams arranged transversely and a plurality of stiffening rib plates (6) connected between the left side mold and the right side mold (3) are arranged on the bottom mold (2);
the lower part of the support rod penetrates through the cross beam and fixedly connects the cross beam with the bottom die (2), and the upper part of the support rod extends out relative to a cavity surrounded by the bottom die (2) and the two side dies (3) and serves as a lifting part;
s4, installing an anti-floating device on the basement drainage ditch formwork system,
s5, pouring concrete among the basement drainage ditch formwork system, the drainage ditch cushion layer (15) and the brick moulding bed (16), and dismantling the anti-floating device and the basement drainage ditch formwork system after the formwork removal strength is achieved.
10. Construction method according to claim 9, characterized in that the side forms (3) are arranged obliquely, and the longitudinal sections of the two side forms are integrally arranged in an inverted V shape.
11. Construction method according to claim 9, characterized in that the longitudinal beams are arranged next to the bottom formwork (2), and the transverse beams and the stiffening ribs (6) are arranged on the longitudinal beams.
12. Construction method according to claim 11, wherein the stiffening ribs (6) are arranged between two adjacent cross-members.
13. Construction method according to claim 9, characterised in that the top ends of the stiffening ribs (6) are arranged flush with the top ends of the sideforms.
CN201910211625.5A 2019-03-20 2019-03-20 Basement drainage ditch formwork system, pouring system and construction method Expired - Fee Related CN109914571B (en)

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CN111501827A (en) * 2020-04-23 2020-08-07 中国一冶集团有限公司 Novel steel hanging die installation error adjusting device and construction method
CN115125799B (en) * 2022-05-26 2025-06-24 金川集团股份有限公司 A side ditch pouring construction device

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CN106320498A (en) * 2015-06-26 2017-01-11 辽宁有色基础工程公司 Concrete construction method of round drainage pipeline of tailings pond

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