KR100665210B1

KR100665210B1 - Concrete mold for manhole manufacture

Info

Publication number: KR100665210B1
Application number: KR1020050085224A
Authority: KR
Inventors: 조용우
Original assignee: 조용우
Priority date: 2005-09-13
Filing date: 2005-09-13
Publication date: 2007-01-09

Abstract

A concrete mold for manufacturing a manhole is provided to execute installation work conveniently and shortly by manufacturing with concrete to bear concrete pressure and piling up in a construction site, to reduce the time and cost required for construction and to increase the strength of a manhole by manufacturing a mold with concrete and burying under the ground together with a manhole without dismantlement work after placing a manhole, to waterproof a joint of a manhole and a pipe by placing a manhole and a pipe integrally and to shorten a period of construction by performing a refilling work before placing a manhole. A concrete mold(1) for manufacturing a manhole comprises an outer mold(10) forming an external wall of a manhole and an inner mold(20) forming an internal wall of a manhole, wherein the outer mold and the inner mold are manufactured with concrete to have the appropriate thickness to bear concrete pressure. The outer mold comprises a circular external wall forming frame(11) corresponding to the boundary surface of the external wall of the manhole and a foundation panel(13) forming the outer bottom of the manhole; and an inner mold(20) comprises a circular internal wall forming frame(21) corresponding to the boundary surface of the internal wall of the manhole and having a joint(21a) to couple a slab panel and a floor panel on the upper and lower ends of the circular mold frame, a floor panel(23) forming the inner bottom of the manhole and having a support joint(19) to install a support(27), and a slab panel(25) forming the inner ceiling of the manhole and having an entrance(25a) to enter and leave the manhole and an entrance forming frame(25b) to form the inner circumference of the entrance. Hereon a reinforcement member(30) is buried under the external wall forming frame and the foundation panel of the outer mold, and the internal wall forming frame, the floor panel and the slab panel of the inner mold to reinforce the tensile stress of concrete and made with mesh type steel wires, geogrid, glass fiber or steel fiber, etc.

Description

Concrete molds for manhole manufacturing {Concrete mold for manhole manufacture}

1 is an exploded perspective view of a concrete formwork for manufacturing a manhole according to the present invention,

2 is a cross-sectional view of the concrete formwork and concrete pouring state for manhole manufacturing of FIG.

3 is a cross-sectional view showing an example in which a ladder member is installed in the concrete formwork for manufacturing a manhole of FIG.

Figure 4 is an exploded perspective view of a concrete formwork for manhole manufacturing according to another embodiment of the present invention,

5 is a cross-sectional view of the concrete formwork and concrete pouring state for manhole manufacturing of FIG.

6 and 8 are an exploded perspective view of a concrete formwork for manufacturing a manhole showing another embodiment of the present invention, respectively

7 and 9 are cross-sectional views of the concrete formwork and concrete pouring state for the manhole manufacturing of FIGS. 6 and 8, respectively;

10 is a view showing another form of the ladder member applied to the concrete formwork for manufacturing manhole according to the present invention.

* Explanation of symbols for the main parts of the drawings

5: manhole 10: external formwork

11: outer wall forming frame 13: foundation panel

20: internal formwork 21: inner wall forming frame

23: bottom panel 25: slab panel

30: reinforcement panel

The present invention relates to a manhole manufacturing formwork, and more particularly, to a concrete formwork for manhole manufacturing embedded in the ground with the manhole produced.

When forming a movement path (hereinafter referred to as "pipe") in the ground, such as sewage, rainwater, and communication cable, a manhole structure is provided at the branch point of the pipe.

Conventional manhole formwork for manufacturing such a manhole (not shown) is an inner formwork forming the inner wall surface of the manhole, and an outer formwork surrounding the inner formwork with an inner formwork and a concrete pouring space to form the outer wall surface of the manhole. Consisted.

These inner formwork and outer formwork were manufactured by combining a plurality of wood or steel formwork panels with fastening members such as nails and bolt nuts so as to correspond to the shape of the manhole to be manufactured, respectively.

By the way, in such a conventional manhole manufacturing formwork, since the inner formwork and the outer formwork are structured to couple a plurality of formwork panels to each other by a fastening member, the installation work of the manhole formwork is very inconvenient and excessive work time is required There was a problem.

In addition, since the work must be dismantled after the manhole pouring process and curing process, there was a problem in that the construction period is prolonged and the construction cost is increased.

In addition, in the conventional manhole manufacturing formwork, since the pipes are joined after the pipes are formed on the wall of the manhole after the manhole is placed, there is a problem that there is a high possibility that perfect waterproofing of the manholes and the body is not performed. After dismantling the formwork had to be backfilled, there was a problem that the construction period can be prolonged.

Accordingly, it is an object of the present invention to provide a concrete formwork for manhole production that can be easily installed without complex coupling work, and does not require disassembly, which is convenient in construction and can drastically reduce construction time and cost.

In addition, the manhole and the tubular body is integrally placed to achieve a perfect waterproofing, and to provide a concrete formwork for manhole manufacturing can be backfilled before the manhole is placed.

The object is, according to the present invention, a manhole having a circular outer formwork forming the outer wall surface of the manhole, and a circular inner formwork formed concentrically with the outer formwork and the concrete placing space to form the inner wall surface of the manhole. In the formwork, the outer formwork and the inner formwork is formed of a concrete structure to have a predetermined thickness, the outer formwork and the inner formwork is achieved by a concrete formwork for manhole manufacturing, characterized in that the reinforcing member is embedded.

Here, the external formwork has a circular outer wall forming frame corresponding to the outer wall peripheral surface of the manhole, and a base panel forming an outer bottom surface of the manhole; The inner mold has a circular inner wall forming frame corresponding to the inner wall of the manhole, a bottom panel forming an inner bottom surface of the manhole, and a slab panel forming an inner ceiling surface of the manhole and a manhole entrance opening. desirable.

At this time, the reinforcing member is provided with any one of steel wire, geogrid, glass fiber, steel fiber; It is effective that the reinforcing member is at least embedded in the outer wall forming frame and the inner wall forming frame.

On the other hand, in the upper and lower circumferential end region of the outer wall forming frame is formed an outer mounting coupling having a loading coupling hole, the upper end of the inner wall forming frame is formed with a coupling portion corresponding to the circumferential end of the slab panel and the lower end of the inner forming frame It is more preferable that there is.

In addition, a pipe coupling tool for pipe coupling is formed in one region of the outer wall forming frame, and a pipe coupling tool in which one end of the pipe body is inserted into one region of the inner wall forming frame corresponding to the forming region in the pipe coupling tool. It is more effective that is formed.

At this time, it is preferable that the pipe coupling member having a pipe body sealing portion that is shaped to one end of the pipe body is coupled to the pipe coupling peripheral region.

In addition, it is effective that the ladder coupling hole penetrates through the inner wall forming frame at a predetermined interval in the vertical direction.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention.

1 is an exploded perspective view of a concrete formwork for manhole manufacturing according to the present invention, Figure 2 is a cross-sectional view of the concrete formwork coupling and concrete casting state of the manhole manufacturing of FIG. As shown in these drawings, the concrete formwork 1 for manhole manufacturing according to the present invention has an outer formwork 10 forming the outer wall surface of the manhole 5 and an inner formwork forming the inner wall surface of the manhole 5. Consists of (20), the outer formwork and the inner formwork (20) is made of concrete in advance to have a suitable form thickness that can withstand the concrete placing pressure.

The outer mold 10 has a circular outer wall forming frame 11 corresponding to the outer wall circumferential surface of the manhole 5 and a base panel 13 forming an outer bottom surface of the manhole 5.

In the upper and lower circumferential end regions of the outer wall forming frame 11, when the loading coupling portion 15 having the loading coupling holes 15a is formed to cast a manhole having a relatively high height, as shown in FIGS. 6 and 7, the lowermost base panel (13) The outer formwork frame 11 on the top of each other can be combined to build an external formwork 10 corresponding to the height of the manhole (5). Of course, when pouring a manhole that is not relatively high, as shown in FIGS. 1 and 2, the external formwork 10 may be constructed by arranging a single outer wall forming frame 11 on the base panel 13. . In addition, as shown in Figs. 4 to 7 in the region of the outer wall forming frame 11, a tubular coupling hole 17 capable of joining the tubular body 9 is formed so that the tubular body 9 when the manhole 5 is placed. (9) may be integrally cast in the manhole. The integral construction of the manhole (5) and the tube (9) provides a perfect waterproof effect on the coupling portion of the manhole (5) and the tube (9).

In addition, the base panel 13 is formed with a support coupler 19 for installing a support 27 spaced apart from the bottom panel 23 of the internal formwork 20 to be described later.

The inner formwork 20 includes a circular inner wall forming frame 21 corresponding to the inner wall circumferential surface of the manhole 5, a bottom panel 23 forming an inner bottom surface of the manhole 5, and an inner side of the manhole 5. It has the slab panel 25 which forms a ceiling surface.

Coupling portions 21a for coupling the slab panel 25 and the bottom panel 23 are formed in the upper and lower circumferential end regions of the inner wall forming frame 21. This coupling portion 21a is preferably formed in a stepped shape such that the peripheral end of each panel is shaped. At this time, the upper coupling portion 21a of the inner wall forming frame 21 may be used as the coupling portion 21a for loading coupling another inner wall forming frame 21 as shown in FIGS. 6 and 7. . In addition, it is preferable that a ladder coupling hole 21b for coupling the ladder member 7 is formed in the vertical direction in one region of the inner wall forming frame 21 as shown in FIGS. 3, 6, and 7.

Then, when the manhole 5 is poured while supporting the end region of the tube 9 in one region of the inner frame corresponding to the tube coupling opening 17 of the outer wall forming frame 11, the inside of the tube 9 is formed. As shown in Figures 8 and 9 to prevent the inflow of the raw concrete, it is preferable that the pipe fitting member mounting holes 21c for coupling the pipe coupling member 21d is formed. Of course, as shown in FIGS. 4 to 7, only the pipe fitting port 22 is formed without the pipe fitting member 21d so that one end of the pipe body 9 protrudes into the inner wall forming frame 21 to be concrete in the pipe body 9. May not be introduced.

Like the base panel 13, the bottom panel 23 is provided with a support coupling portion 19 for installing the support 27, and the slab panel 25 to enter and exit the manhole (5) The opening 25a is formed. At this time, it is preferable that the opening forming frame 25b for forming the inner circumferential surface of the access opening 25a is provided in the circumferential region of the access opening 25a. The opening forming frame 25b may be manufactured as a separate member from the slab panel 25, may be manufactured integrally with the slab panel 25, or may be manufactured to have an appropriate height according to the condition.

Here, the outer wall forming frame 11 and the base panel 13 of the outer formwork 10, and the inner wall forming frame 21, the bottom panel 23 and the slab panel 25 of the inner formwork 20 of the concrete The reinforcing member 30 for reinforcing the tensile stress is embedded. The reinforcing member 30 may be a steel wire in the form of a mesh, or geograd, glass fiver, steel five, or the like.

With this configuration, the process of pouring the manhole 5 using the concrete formwork 1 for manhole production according to the present invention will be described.

First, the base panel 13 of the external formwork 10 is disposed on the ground of the base on which the manhole 5 is to be cast, and the plurality of supports 27 are coupled to the top of the base panel 13, and the top of the support 27 is disposed. The bottom panel 23 of the inner formwork 20 is installed.

Then, the inner wall forming frame 21 of the inner formwork 20 is installed on the bottom panel 23. At this time, the circumferential end of the bottom panel 23 is fit-fitted to the coupling portion 21a at the lower end of the inner wall forming frame 21.

After the inner wall forming frame 21 is installed, the slab panel 25 is coupled to the engaging portion 21a on the upper side of the inner wall forming frame 21, and then the opening forming frame is formed around the entrance opening 25a of the slab panel 25. When the stack 25b is installed, the installation of the internal formwork 20 is completed. At this time, the opening forming mold 25b may be integrally formed around the entrance opening 25a of the slab panel 25 as described above.

6 and 7, when the height of the manhole to be poured is relatively high, after stacking a plurality of inner wall forming frames 21 to each other, the upper coupling part 21a of the uppermost inner wall forming frame 21 is formed. ) To install the slab panel (25).

After the installation of the inner formwork 20 is completed, the outer wall forming frame 11 of the outer formwork 10 forms an outer wall forming frame on the base panel 13 so as to surround the inner wall forming frame 21 with a predetermined concrete placing space. (11) is installed. Then, the installation of the concrete formwork 1 for manhole production is simply completed while the installation of the external formwork 10 is completed.

6 and 7, when the height of the manhole to be poured is relatively high, after stacking a plurality of outer wall forming molds 11, the coupling parts 15 of adjacent outer wall forming molds 11 are stacked. By inserting the coupling rod 41 or the like into the loading coupling hole (15a) formed in the) it is possible to firmly maintain the mutual loading coupling state of the upper and lower outer wall forming frame (11).

Meanwhile, when the ladder member 7 is installed in the internal formwork 20 as shown in FIGS. 3, 6, and 7, the ladder member 7 is formed in the ladder coupling hole 21b that is formed in the inner wall forming frame 21 in advance. When one end region of the) is inserted and coupled, the one end region of the ladder member 7 is firmly fixed in the concrete manhole wall after the concrete is placed.

At this time, the coupling of the ladder member 7 is an insertion member having a stopper 71 and a male screw 73 in the middle of the ladder member 7, as shown in FIG. 70 and fastening the fixing member 75 having a female screw engaged with the male screw 73 of the insertion member 70 outside the inner wall forming frame 21 to allow the ladder member 7 to move to the inner wall forming frame 21 without flow. It is desirable to be fixed to). Thereby, the flow of the ladder member 7 can be prevented at the time of concrete pouring. Here, the coupling structure of the insertion member 70 and the fixing member 75 may be formed of various coupling structures in addition to the screw fastening structure.

5 and 7, when constructing the pipe body 9 integrally in the manhole 5, one end region of the pipe body 9 is connected to the pipe fitting hole 17 of the outer wall forming frame 11. When passing through the pipe fitting port 22 of the inner wall forming frame 21, and coupled to one end of the tubular body 9 out of the concrete placing space to be located inside the inner wall forming frame 21, the coupling construction of the tubular body 9 is completed. do.

In addition, as shown in Figures 8 and 9, when constructing the pipe body 9 is integrally placed in the manhole (5) using the pipe coupling member (21d) pipe coupling member 17 and the pipe coupling member mounting hole (21c) After installing and installing the inner formwork 20 and the outer formwork 10 using the outer wall forming frame 11 and inner wall forming frame 21 formed in the above-described method, the pipe member of the inner wall forming frame 21 The fitting member 21d is coupled to the mounting tool 21c. Then, when the tube body 21e of the tube member 21d is conformed to one end of the tube body 9 inserted into the tube coupling hole 17 of the outer wall forming frame 11, the tube body 9 is hermetically sealed. Joining construction of the conduit (9) before concrete is completed. This tubular coupling member can be dismantled after the curing period after the manhole 5 is placed.

After the installation of the internal formwork 20 and the external formwork 10 and the coupling of the ladder member 7 and the construction of the conduit 9 are completed, the concrete is formed between the internal formwork 20 and the external formwork 10. Cast concrete into the space. Then, when curing for a predetermined period, a manhole 5 structure is formed between the inner formwork 20 and the outer formwork 10 as shown in FIG. 2. 3 and 5, 7, and 9, a manhole 5 structure in which the ladder member 7 and / or the tubular body 9 is cast integrally is formed. At this time, in the concrete placing space between the external formwork 10 and the internal formwork 20, the reinforcing bar is installed in advance in the case of the manhole having reinforcement in the structure of the manhole 5.

Then, after the manhole 5 structure is completed, the concrete formwork 1 for manhole production according to the present invention is buried in the ground as it is installed, surrounding the inner and outer circumferential surfaces of the manhole 5 structure without disassembling.

As such, the concrete formwork for manhole manufacturing according to the present invention has an appropriate formwork thickness capable of withstanding the concrete placing pressure of the manhole to be formed with the outer wall and the base panel and the inner panel and the bottom panel forming the outer formwork and the inner formwork. Since it is made of concrete to be installed in the way of mutual loading in the field, the formwork installation work is very convenient and the work time is greatly reduced.

In addition, since the formwork is made of concrete and is buried in the ground with the manhole without dismantling after manhole pouring, the construction period and construction cost can be significantly reduced, and the strength of the manhole can be increased.

In addition, since the manhole and the tube can be placed integrally, a perfect waterproof treatment is performed on the coupling portion of the manhole and the tube, and the backfill work can be performed before the manhole is cast, thereby significantly shortening the construction period.

As described above, according to the present invention, there is provided a concrete formwork for manufacturing manholes that can be easily installed without complicated coupling work, do not need disassembly work, the construction is convenient and can significantly reduce the construction time and construction cost.

In addition, the manhole and the tubular body is integrally placed to provide a perfect waterproofing process, and a concrete formwork for manhole fabrication that can be backfilled before manhole casting is provided.

Claims

In a manhole formwork having a circular outer formwork forming the outer wall surface of the manhole, and a circular inner formwork formed concentrically with the outer formwork and concrete placing space to form the inner wall surface of the manhole,

The outer formwork and the inner formwork is formed of a concrete structure to have a predetermined thickness, the concrete formwork for manhole manufacturing, characterized in that the reinforcing member is embedded in the outer formwork and the inner formwork.
The method of claim 1,

The outer mold has a circular outer wall forming frame corresponding to the outer wall of the manhole and a base panel forming an outer bottom surface of the manhole;

The inner formwork has a circular inner wall forming frame corresponding to the inner wall of the manhole, a bottom panel forming an inner bottom surface of the manhole, and a slab panel forming an inner ceiling surface of the manhole and a manhole entrance opening. A concrete formwork for manhole making.
The method of claim 2,

The reinforcing member is provided with any one of steel wire, geograd, glass fiber, and steel fiber;

The reinforcement member is concrete formwork for manhole manufacturing, characterized in that embedded in at least the outer wall forming frame and the inner wall forming frame.
The method of claim 2,

Upper and lower circumferential end regions of the outer wall forming frame is formed with an external loading coupling portion having a loading coupling hole,

The formwork for manhole manufacturing, characterized in that the upper end of the inner wall forming frame is formed with a coupling portion corresponding to the circumferential end of the slab panel and the lower end of the inner forming frame.
The method according to any one of claims 2 to 4,

One region of the outer wall forming frame is formed with a tubular coupling sphere for pipe coupling, and one region of the inner wall forming frame corresponding to the forming region in the tubular coupling sphere is formed with a tube coupling sphere into which one end of the tubular body is inserted. Concrete formwork for manhole production, characterized in that.
The method of claim 5,

The pipe fitting member is a concrete formwork for manhole manufacturing, characterized in that the pipe coupling member having a pipe-tight portion that is shape-fitted to one end of the pipe body is coupled to the area around the pipe fitting.
The method according to any one of claims 2 to 4,

The formwork for manhole manufacturing, characterized in that the inner wall forming frame is formed through the ladder coupling holes at predetermined intervals along the vertical direction.
The method of claim 7, wherein

A ladder member coupled to the ladder coupling hole, an insertion member fixed to the ladder coupling hole insertion region of the ladder member, and fixedly coupled to the insertion member with the inner wall forming frame interposed therebetween at an outer side of the inner wall forming frame Concrete formwork for manhole production, comprising a member.