CN110056181A - A kind of subsided rest room assembly steel form and construction method - Google Patents

Abstract

The present invention relates to a kind of subsided rest room assembly steel form and construction method, assembled steel form includes four right angle steel forms, and four right angle steel forms removably enclose assembled composition caisson；It is connected between adjacent right angle steel form by high-strength bolt；Vertically and horizontally interlaced arrangement fixed connecting rod in caisson；The both ends of fixed connecting rod are connected on two opposite right angle steel forms, and connect and compose integral structure with caisson.Present invention production is simple, is convenient to mount and dismount, strong operability, and Forming Quality is high, reusable, saves material, reduces cost, improves engineering efficiency.

Description

A sunken toilet assembled steel formwork and construction method

technical field

The invention relates to the technical field of building construction, in particular to a sunken toilet assembled steel formwork and a construction method.

Background technique

In building construction, in order to ensure the waterproof and anti-seepage problems of toilets, the general design institute considers the use of sunken floor slabs in the design. The toilet side formwork needs caisson hanging formwork construction. Stability, the commonly used toilet hanging formwork is wood plywood for formwork. The wooden formwork has low rigidity and poor flatness. There are mainly horizontal hanging formwork, vertical displacement, deviation of concrete pouring, form expansion, slurry leakage and even missing edges. The quality defects such as falling corners, difficult control of joint nodes, etc., are prone to water seepage, leakage, flooding, etc., which bring a lot of trouble and seriously affect the quality of the bathroom.

After searching, it was found that the Chinese patent with the announcement number CN206957202U discloses the overall shaping steel formwork of the bathroom caisson, including four side plates, four connecting rods, one tie rod, four lifting rings and four lifting parts. The side plates are combined into an outer frame, the four connecting rods are respectively arranged at the corners of the outer frame to connect two adjacent side plates, the tie rods are connected with the two connecting rods, and a lifting piece is arranged in the middle of the lifting ring legs to be fixed on the steps of the outer frame. Inner side wall.

However, all the connection forms in the above-mentioned patents are welded and cannot be disassembled, which is time-consuming, labor-intensive, labor-intensive, and costly.

After searching, it is found that the Chinese patent with the publication number CN207392738U discloses a bathroom caisson formwork system, including a bottom formwork and a side formwork connected around the bottom formwork, the side formwork includes a lower side formwork and an upper side formwork, and the upper end of the lower side formwork It is connected with the lower end of the upper side formwork, and the lower end of the lower side formwork has an arc portion which is bent inward and connected with the bottom formwork. The structure of the above-mentioned patent is complex, and there are many steel formwork assembling components, which is not conducive to on-site construction operations. The side formwork of the concrete pouring surface is assembled by 6 wooden boards, which makes it difficult to ensure that the concrete will leak along the gap, and it is difficult to ensure the quality of the poured concrete.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a sunken toilet assembling steel formwork and construction method according to the above-mentioned deficiencies of the prior art, and form a caisson structure by assembling a detachable right-angle steel formwork to realize high-quality sunken toilet hanging formwork construction.

The realization of the object of the present invention is accomplished by the following technical solutions:

A first aspect of the present invention provides a sunken toilet assembled steel formwork, the assembled steel formwork includes four right-angle steel formwork, and the four right-angle steel formwork are detachably enclosed and assembled to form a caisson; adjacent The right-angle steel formwork is connected by high-strength bolts; the fixed connecting rods are arranged vertically and horizontally in the caisson; the two ends of the fixed connecting rod are respectively connected with the two opposite right-angle steel formwork, and with the caisson The connection forms a one-piece structure.

Further, the upper and lower ends of the right-angle steel formwork are provided with first flanges, the first flanges protrude toward the inner side of the caisson, and the fixed connecting rod is arranged on the upper end of the right-angle steel formwork at the first flange of

The upper and/or lower ends of the right-angle steel formwork are provided with first flanges, the first flanges protrude toward the inside of the caisson, and the fixed connecting rods are arranged on the first flanges of the right-angle steel formwork. A wing edge.

More preferably, the thickness of the steel plate of the right-angle steel formwork is 5 mm, the extension length of the flange is 50 mm, and several Φ12 diameter bolt holes are reserved for the flange of the steel plate.

Preferably, the fixed connecting rod includes a longitudinal fixed connecting rod and a horizontal fixed connecting rod, the longitudinal fixed connecting rod is arranged on the upper part of the first flange of the right-angle steel formwork, and the horizontal fixed connecting rod is arranged on the upper part of the first flange of the right-angle steel formwork the lower portion of the first flange of the right-angle steel formwork. More preferably, the horizontal fixed connecting rod and the vertical fixed connecting rod are both 30×20×2.5mm rectangular square steel pipes.

Preferably, four corners of the caisson are respectively provided with a lifting ring and a jacking piece, the lower ends of the lifting ring and the lifting piece are both provided with threads, and the lower end of the lifting ring and the lifting piece pass through the right-angle steel formwork The first flange of the upper end is fastened and fixed by a nut.

Preferably, the left and right ends of the right-angle steel formwork are respectively provided with a left flange and a right flange, and the left flange and the right flange of the right-angle steel formwork respectively protrude toward the inner side of the caisson, so The high-strength bolts are arranged at the left flange and the right flange of the right-angle steel formwork.

Preferably, the right angle steel formwork includes a left right angle steel formwork and a right right angle steel formwork, and the left right angle steel formwork and the right right angle steel formwork are both cold-pressed into an L shape.

The second aspect of the present invention provides a construction method for assembling a steel formwork for a sunken bathroom, comprising:

The toilet and the surrounding beam and plate formwork are supported, and the steel bars are bound. According to the elevation of the bottom edge of the caisson toilet, the horizontal positioning steel bars are respectively welded at the surrounding beam stirrups of the toilet;

A caisson is formed by connecting the right-angle steel formwork through high-strength bolts, and the caisson is supported on the horizontal positioning steel bars as the bottom support of the caisson;

In the caisson, vertical and horizontally staggered fixed connecting rods are arranged to strengthen the connection and fixation;

At the four corners of the caisson are respectively provided with rings and lifting pieces;

Concrete is poured and vibrated to the periphery of the caisson.

Preferably, the method further includes: after the assembling of the caisson is completed in advance, the caisson is supported on the horizontal positioning steel bar by hoisting.

Further, after the concrete pouring is completed, it also includes the removal of the steel formwork, and the formwork is removed after the strength of the concrete reaches the design requirements; the formwork removal sequence is first loosening and then removing, and the jacks are used to lift the lifting pieces at the four corners of the caisson one by one. The high-strength bolts and the fixed connecting rods are disassembled and recovered for reuse.

Preferably, after the concrete is poured, the steel formwork is also hoisted away, and the formwork is removed after the strength of the concrete meets the design requirements; the caisson is hoisted from the whole caisson through the hoisting ring by a tower crane for reuse.

Compared with the prior art, the present invention has the following beneficial effects:

In the above structure of the present invention, all the connection forms are all bolted, and the steel formwork is custom-made in the factory, which is easy to install, saves time and effort, and saves costs.

The invention adopts steel formwork, which has high rigidity, and the first flange of the upper end is connected with fixed connecting rods arranged vertically and horizontally through high-strength tension bolts, so as to stabilize the surrounding steel formwork and prevent deformation of the formwork caused by the high pressure on the concrete side. , which leads to problems such as mold expansion, slurry leakage, and poor appearance of concrete molding, which ensures the stability of the steel formwork, effectively ensures that the concrete pouring is not off-position, and ensures that the concrete molding is bright inside and outside, and there is no leakage.

The invention can be mass-produced, can reduce construction procedures and errors, ensure the quality of toilet caisson assembly, and the caisson can effectively avoid problems such as water seepage, mold expansion, mold explosion and other problems that may be caused by wooden formwork, greatly reducing existing Concrete quality problems are caused by unqualified on-site construction procedures in the technology.

The invention has the advantages of convenient and fast construction, and is all connected by bolts, which is convenient to install, easy to disassemble, reusable, saves materials and reduces costs.

Description of drawings

1 is a schematic structural diagram of an embodiment of the present invention;

2 is a schematic diagram of a right-angle steel formwork in an embodiment of the present invention;

Fig. 3a is a schematic diagram of a lifting member in an embodiment of the present invention;

3b is a schematic diagram of a lifting ring in an embodiment of the present invention;

4 is a diagram of a positioning installation and a template system according to an embodiment of the present invention;

FIG. 5 is a construction flow chart of an embodiment of the present invention.

The marks in the figure are respectively indicated as: 1 is right-angle steel formwork, 2 is horizontal fixed connecting rod, 3 is vertical fixed connecting rod, 4 is lifting ring, 5 is jacking piece, 6 is high-strength bolt, 7 is concrete to be poured, 8 is Position the rebar horizontally.

Detailed ways

The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

Referring to FIG. 1, it is a schematic structural diagram of a sunken bathroom assembling steel formwork according to an embodiment of the present invention. The figure includes four right-angle steel formwork 1, and the four right-angle steel formwork 1 are detachably enclosed and assembled to form a caisson; The adjacent right-angle steel formwork 1 is connected by high-strength bolts 6; the fixed connecting rods are arranged vertically and horizontally in the caisson; the two ends of the fixed connecting rod are respectively connected with two opposite right-angle steel formwork 1, and are connected with the caisson to form an integrated structure . In a specific embodiment, two fixed connecting rods are respectively arranged on the upper part of the caisson in the transverse and longitudinal directions.

In the above structure, the fixed connecting rods arranged in a crisscross pattern can strengthen the connection and fixation between the opposite right-angle steel formwork 1, stabilize the surrounding steel formwork, and prevent the formwork deformation caused by the high pressure on the concrete side, thereby improving the caisson. The integrity of the caisson ensures the mechanical stability of the caisson during the subsequent concrete pouring process.

In other preferred embodiments, the upper and lower ends of the right-angle steel formwork 1 are provided with first flanges, and the first flanges protrude toward the inner side of the caisson to play a stabilizing role. The fixed connecting rod is arranged at the first flange of the upper end of the right-angle steel formwork 1 . Connecting a fixed connecting rod at the first flange of the upper end can keep the overall stability of the formwork and prevent the steel formwork from being squeezed and deformed due to excessive lateral pressure when concrete is poured.

In a specific embodiment, the thickness of the steel plate of the right-angle steel formwork 1 is 5 mm, the extension length of the first flange is 50 mm, and several Φ12 diameter bolt holes are reserved in the first flange of the steel plate.

Further, as shown in FIG. 1, the fixed connecting rod includes a vertical fixed connecting rod 3 and a horizontal fixed connecting rod 2, and the vertical fixed connecting rod 3 is arranged on the upper part of the first flange of the right-angle steel formwork 1, and is connected by high-strength bolts 6, The transverse fixed connecting rod 2 is arranged at the lower part of the first flange of the right-angle steel formwork 1 , and is also connected by high-strength bolts 6 . In a specific embodiment, the horizontal fixed connecting rod 2 and the vertical fixed connecting rod 3 are both 30×20×2.5mm rectangular square steel pipes.

In other preferred embodiments, as shown in FIG. 2 , the right angle steel formwork 1 includes a left right angle steel formwork 1 and a right right angle steel formwork 1 , both of which are L-shaped. In the specific implementation, the end of a short side of the left right-angle steel formwork 1 is assembled and connected with the end of a long side of the adjacent right-angle steel formwork 1, and a long side of the left right-angle steel formwork 1 is connected to another adjacent right-angle steel formwork 1. The short sides of the right-angle steel formwork 1 are assembled and connected, and spliced two by two to form a caisson. As a preferred embodiment, the first flanges of the upper and lower ends of the left right angle steel formwork 1 and the right right angle steel respectively protrude toward the inner side of the caisson, and bolt holes are reserved. In another preferred embodiment, the ends of the short side and the long side of the right-angle steel formwork 1 are respectively provided with a left flange and a right flange, and the left and right flanges of the right-angle steel formwork 1 respectively protrude toward the inner side of the caisson, and the extending The left flange and the right flange are respectively provided with reserved bolt holes, and the high-strength bolts 6 are arranged at the left flange and the right flange of the right-angle steel formwork 1 .

In a specific embodiment, the left right angle steel formwork 1 and the right right angle steel formwork 1 of 5mm thick Q235 steel plate cold-pressed "L" type are used, and the first flange at the upper and lower ends is extended to a length of 50mm, and 5 are reserved. The diameter of the bolt hole is 12mm, the left and right flanges at the left and right ends are also 50mm in length, and the diameter of the 3 bolt holes reserved at each end is 12mm; Φ12 high-strength bolts 6. The horizontal fixed connecting rod 2 and the vertical fixed connecting rod 3 are both 30×20×2.5mm rectangular square steel pipes. Referring to FIG. 1 , the ends of the left right angle steel formwork 1 and the right right angle steel formwork 1 are connected together by three high-strength bolts 6 through the bolt holes on the left flange and the right flange respectively.

In other preferred embodiments, as shown in Fig. 1 and Fig. 3a and Fig. 3b, at the four corners of the caisson, that is, the corner positions of the left right-angle steel formwork 1 and the right right-angle steel formwork 1, specifically on the first flange of the upper end Holes are provided, and 4 lifting rings 4 and 4 lifting parts 5 are respectively arranged at the four corners of the caisson. The holes at the flange of the right-angle steel formwork 1 are tightened and fixed by the upper and bottom nuts. In the specific implementation, after the concrete is poured, to reach the strength of the detachable formwork, the jack must be used to hold the lifting piece, the steel formwork must be loosened first, a part of it will be lifted up, and then the tower crane or lifting equipment will be used to hook the lifting ring, and the steel formwork will be lifted as a whole. Hang it out, then remove the steel formwork and continue to use it.

Referring to Fig. 4 and Fig. 5, based on the structure of the assembled steel formwork of the sunken bathroom in the above-mentioned embodiment, another aspect of the present embodiment provides a construction method of the assembled steel formwork of the sunken bathroom, and the construction steps are:

Step 1: Check the structural drawings: Check the structural construction drawings to determine the dimensions of the long side, short side and sinking depth of the caisson toilet.

Step 2: Steel formwork design: According to the size of the caisson bathroom, determine the size and shape of the right-angle steel formwork 1.

Step 3: Customized steel formwork: According to the size of the design drawings, the right-angle steel formwork 1 is processed and formed in the processing plant in advance, the inner side is painted with anti-rust paint, and the outer side is painted with release agent.

Step 4: Assembling or hoisting the steel formwork: set up the toilet and the surrounding beam plate formwork, bind the steel bars, according to the bottom edge of the caisson toilet, weld the Φ12 horizontal positioning steel bar 8 at the beam stirrup around the toilet; the left right-angle steel formwork of the right-angle steel formwork 1 1 and the right right angle steel formwork 1 are connected by 3 high-strength bolts 6 to form a caisson, and the caisson is arranged on the surrounding Φ12 horizontal positioning steel bars 8 as the bottom support of the caisson; the transverse fixed connecting rod 2 is arranged at the lower part of the first flange of the right angle steel formwork 1 , the longitudinal fixed connecting rod 3 is arranged on the upper part of the first flange of the right-angle steel formwork 1, and is connected by high-strength bolts 6; the four corners of the caisson are respectively provided with four lifting rings 4 and jacking parts 5, passing through the first flange of the steel formwork, the bottom screw or the caisson can be assembled in advance, and then the assembled caisson can be hoisted to the horizontal positioning steel bar 8.

Step 5: Concrete pouring: After the above steps are completed, the concrete to be poured 7 can be poured and vibrated and compacted.

Step 6: After the concrete pouring is completed, remove or lift the steel formwork: specifically, after the concrete pouring is completed, the formwork can be removed until the strength of the concrete reaches 1.2Mpa or more. Lift the jacking parts 5 at the four corners of the caisson one by one, loosen the steel formwork first, lift a part of it upwards, then use the tower crane or lifting equipment to hook the lifting ring, lift the steel formwork as a whole, and then disassemble the steel formwork and continue to use. All high-strength bolts and nuts are removed, and all components are recovered for continued use on the upper floor. A tower crane can also be used to lift the overall caisson shaped steel formwork from the operation floor through the lifting ring 4, which can be used on the upper floor.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, which is only for convenience and simplification of description, rather than indicating or implying the indicated device or element It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

The above embodiment schematically describes the present invention and its embodiments, and the description is not limited. The drawings shown in the drawings are only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by it, without departing from the purpose of the present invention, they can design a structure and implementation case similar to the technical solution without creativity, or use the description and the accompanying drawings of the present invention. The equivalent transformation made, or the direct or indirect application in the relevant technical field, shall belong to the protection scope of the patent of the present invention.

Claims (10)

1. a sunken toilet assembling steel formwork, it is characterized in that: described assembling steel formwork comprises four right-angle steel formwork, and described four right-angle steel formwork are detachably enclosed and assembled to form a caisson; The right-angle steel formwork is connected by high-strength bolts; the fixed connecting rods are arranged vertically and horizontally in the caisson; the two ends of the fixed connecting rod are respectively connected with the two opposite right-angle steel formwork, and are connected with the caisson to form All-in-one structure. 2 . The assembled steel formwork for a sunken bathroom according to claim 1 , wherein the upper and lower ends of the right-angle steel formwork are provided with first flanges, and the first flanges face the The inner side of the caisson protrudes, and the fixed connecting rod is arranged at the first flange of the upper end of the right-angle steel formwork. 3. A sunken toilet assembling steel formwork according to claim 2, wherein the fixed connecting rod comprises a longitudinal fixed connecting rod and a horizontal fixed connecting rod, and the longitudinal fixed connecting rod is arranged at the right angle On the upper part of the first flange of the upper end of the steel formwork, the transverse fixed connecting rod is arranged on the lower part of the first flange of the upper end of the right-angle steel formwork. 4. The steel formwork for assembling a sunken bathroom according to claim 2, wherein the four corners of the caisson are respectively provided with a lifting ring and a jacking piece, and the lower ends of the lifting ring and the lifting piece are both provided with There are threads, the lower end of the lifting ring and the lifting piece pass through the first flange of the upper end of the right-angle steel formwork and are fastened and fixed by a nut. 5. A kind of sunken toilet assembled steel formwork according to claim 1, it is characterized in that: the left and right ends of the right-angle steel formwork are respectively provided with a left flange and a right flange, and the right-angle steel formwork The left flange and the right flange protrude toward the inner side of the caisson respectively, and the high-strength bolts are arranged at the left flange and the right flange of the right-angle steel formwork. 6. A sunken toilet assembling steel formwork according to any one of claims 1-5, wherein the right-angle steel formwork comprises a left right-angle steel formwork and a right right-angle steel formwork, the left right-angle steel formwork The formwork and right angle steel formwork are cold pressed into L shape. 7. a construction method of the sunken toilet assembling steel formwork described in any one of claim 1-6, is characterized in that: comprising: The toilet and the surrounding beam and plate formwork are supported, and the steel bars are bound. According to the elevation of the bottom edge of the caisson toilet, the horizontal positioning steel bars are respectively welded at the surrounding beam stirrups of the toilet; A caisson is formed by connecting the right-angle steel formwork through high-strength bolts, and the caisson is supported on the horizontal positioning steel bars as the bottom support of the caisson; In the caisson, vertical and horizontally staggered fixed connecting rods are arranged to strengthen the connection and fixation; At the four corners of the caisson are respectively provided with rings and lifting pieces; Concrete is poured and vibrated to the periphery of the caisson. 8 . The construction method for assembling steel formwork for a sunken bathroom according to claim 7 , wherein the method further comprises: after completing the assembling of the caisson in advance, the caisson is supported on the caisson by hoisting. 9 . The level is positioned on the rebar. 9. A construction method for assembling steel formwork for a sunken bathroom according to claim 7, characterized in that: after the concrete pouring is completed, the steel formwork is also dismantled, and the formwork is dismantled after the strength of the concrete reaches the design requirement; The mold sequence is first loosening and then dismantling. The jacks are used to lift the lifting pieces at the four corners of the caisson one by one, and the high-strength bolts and the fixed connecting rods are disassembled and recovered for reuse. 10. The construction method of a sunken bathroom assembling steel formwork according to claim 7, characterized in that: after the concrete is poured, it also comprises that the steel formwork is lifted off, and the formwork is removed after the strength of the concrete reaches the design requirement; A tower crane is used to lift the caisson as a whole through the lifting ring for reuse.