CN210713817U - Fair-faced concrete formwork for roof arc parapet wall cornice - Google Patents

Abstract

The utility model relates to a roof arc parapet cornice clear water concrete form, including steel pipe scaffold, steel pipe scaffold fixes subaerial, the wooden backing plate has been laid to one end of steel pipe scaffold, the outside of wooden backing plate is located steel pipe scaffold and has been put on the shelf and protected the railing, one side of steel pipe scaffold is located subaerial and has been put on the shelf and hold in the palm, the top gomphosis of top holding in the palm has placed first square timber, the upper surface of first square timber is fixed and is equipped with the second square timber, the upper surface frame of second square timber has prefabricated plywood, floor concrete has been placed to the top of prefabricated plywood, the inside of floor concrete is evenly arranged has the reinforcing bar; the cast fair-faced concrete has good forming effect, the strength and the impression quality of the concrete meet the requirements of design and specification, secondary decoration is reduced, the construction speed is improved, the labor cost investment is reduced, natural resources and ecological environment are protected, and the fair-faced concrete is formed in one step without decoration, so that the material cost is reduced.

Description

Fair-faced concrete formwork for roof arc parapet wall cornice

Technical Field

The utility model relates to a construction technical field especially relates to a clear water concrete form that cornices of convex parapet of roofing.

Background

The bare concrete is formed by casting once through the high fusion of a well-designed customized mould, a concrete matching ratio and an advanced construction technology without any external decoration, and the natural color of the cast-in-place concrete is directly adopted as the concrete of the facing, so that the bare concrete has the advantages of the texture of the concrete, natural beauty, resource saving and the like, and is widely used for indoor and outdoor buildings or structures; however, the cornice structure of the parapet of the engineering roof is complex, the cornice arc radiuses of all layers of parapets are different, and meanwhile, a waterproof closing groove and a groove water dripping line are arranged, so that a through-wall bolt rod cannot be adopted during construction, clear water concrete is arranged within the range of 300mm outside the cornice floor slab, and common concrete is arranged inside the cornice floor slab; because the volume of the parapet cornice fair-faced concrete is not large, but the total length reaches 1100m, the difficulty in manufacturing, installing and reinforcing the template is large, the forming effect of the fair-faced concrete is not ideal, and the waterproof closing up and the drip forming are difficult; in order to solve the problems exposed in the current concrete processing and forming process, improvement and optimization are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a convex parapet of roofing cornices clear water concrete form, can solve the unsatisfactory and waterproof binding off of clear water concrete shaping effect and the difficult problem of drip shaping.

The technical scheme for realizing the purpose is as follows:

the utility model provides a clear water concrete form that cornices of convex parapet of roofing, including steel pipe scaffold, steel pipe scaffold fixes subaerial, the wooden backing plate has been laid to steel pipe scaffold's one end, the outside of wooden backing plate is located steel pipe scaffold and has erect protection railing, one side of steel pipe scaffold is located subaerial and has erect the top support, first square timber has been placed to the top gomphosis of top support, the last fixed surface of first square timber is equipped with the second square timber, the upper surface frame of second square timber is equipped with prefabricated plywood, floor concrete has been placed to the top of prefabricated plywood, floor concrete's inside align to grid has the reinforcing bar, the reinforcing bar promotes floor concrete's intensity.

Preferably, the contact position of floor concrete and prefabricated plywood is located the upper surface frame of prefabricated plywood and is equipped with the plastics line that drips, and the plastics line that drips is the cuboid component, promotes the waterproof performance of concrete.

Preferably, floor concrete is L type component, and prefabricated plywood has all been placed to the both sides of the vertical end of floor concrete, and prefabricated plywood can make equipment keep inseparable connection.

Preferably, the third square timber of all evenly having arranged on two prefabricated plywood's the outside surface, the inboard of two third square timbers is run through and is placed concrete top mould rod, and concrete top mould rod makes two third square timbers remain stable.

Preferably, the side surfaces of the two second square timbers are provided with through-wall bolt rods in a penetrating mode, the two ends of each through-wall bolt rod are fixedly provided with limiting bolts in a screwing mode through threads, and hook bolts are arranged on the outer side surfaces of the second square timbers in a penetrating mode.

Preferably, the outside surface gomphosis of the vertical end of floor concrete has placed plastics closing up strip, and the lateral wall of plastics closing up strip contacts with prefabricated plywood's inner wall, and plastics closing up strip keeps the stability of equipment structure.

Preferably, the lateral surface that the both sides of floor concrete horizontal end are located prefabricated plywood all runs through to be erect has the countersunk head nail, and the countersunk head nail makes prefabricated plywood keep stable.

The utility model has the advantages that: the fair-faced concrete poured by the method has good forming effect, the strength and the impression quality of the concrete meet the requirements of design and specification, secondary decoration is reduced, the construction speed is improved, the labor cost investment is reduced, natural resources and ecological environment are protected, and the fair-faced concrete is formed in one step without decoration, so that the material cost is reduced.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic diagram of the right-side view structure of the present invention;

description of reference numerals:

1. a first square timber; 2. a second square timber; 3. prefabricating a plywood; 4. a third square timber; 5. plastic water dripping lines; 6. a plastic closing strip; 7. a concrete form jacking roller; 8. a through-wall bolt shaft; 9. countersunk head nails; 10. reinforcing steel bars; 11. floor concrete; 12. a steel pipe scaffold; 13. a wood base plate; 14. a guard rail; 15. and (6) jacking.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 and 2, the utility model provides a clear water concrete form that cornices on convex parapet of roofing, including steel pipe scaffold 12, steel pipe scaffold 12 is fixed subaerial, wooden backing plate 13 has been laid to steel pipe scaffold 12's one end, the outside of wooden backing plate 13 is located steel pipe scaffold 12 and has been erect guard rail 14, one side of steel pipe scaffold 12 is located subaerial and has been erect top support 15, top gomphosis of top support 15 has placed first square timber 1, the upper surface of first square timber 1 is fixed and is equipped with second square timber 2, the upper surface frame of second square timber 2 is equipped with prefabricated plywood 3, floor concrete 11 has been placed above prefabricated plywood 3, the inside align to grid of floor concrete 11 has reinforcing bar 10, reinforcing bar 10 promotes floor concrete 11's intensity; the utility model discloses further explain this template according to the attached drawing.

Further, the contact part of the floor concrete 11 and the prefabricated plywood 3 is positioned on the upper surface of the prefabricated plywood 3, a plastic water dripping line 5 is erected, the plastic water dripping line 5 is a cuboid component and improves the waterproof performance of the concrete, the floor concrete 11 is an L-shaped component, the prefabricated plywood 3 is placed on two sides of the vertical end of the floor concrete 11, the prefabricated plywood 3 can enable equipment to be tightly connected, the vertical end of the floor concrete 11 is 50 multiplied by 100mm, third squares 4 are uniformly distributed on the outer side surfaces of the two prefabricated plywood 3, concrete top mold rollers 7 are placed on the inner sides of the two third squares 4 in a penetrating mode, the two third squares 4 are kept stable through the concrete top mold rollers 7, the third squares 4 are 50 multiplied by 100mm and are spaced by 300mm, wall penetrating bolt rods 8 are placed on the side surfaces of the two second squares 2 in a penetrating mode, and fixed with limiting bolts at two ends of the wall penetrating bolt rods 8 through threaded screwing, the outside surface gomphosis of 11 vertical ends of floor concrete has placed plastics receipts mouth strip 6, and the side lateral wall of plastics receipts mouth strip 6 contacts with prefabricated plywood 3's inner wall, and 6 stability that keep the equipment structure of plastics receipts mouth strip, the edge is 15mm in the plastics receipts mouth strip 6, and the outside is 20mm, and the both sides of 11 horizontal ends of floor concrete are located the side surface of prefabricated plywood 3 and all run through and erect countersunk head nail 9, and countersunk head nail 9 makes prefabricated plywood 3 remain stable.

The utility model discloses a theory of operation is: in the formwork installation process, a worker is required to be located on the ground to lift a steel pipe scaffold 12, a wood base plate 13 is laid at the bottom of the steel pipe scaffold 12, a protective railing 14 is erected on the side face of the wood base plate 13, a layer of net is laid at the bottom of the steel pipe scaffold 12 and the side face of the protective railing 14, a top support 15 is erected on the ground on the inner side of the steel pipe scaffold 12, a first square wood 1, a second square wood 2 and prefabricated plywood 3 are sequentially laid on the upper surface of the top support 15, a layer of reinforcing steel bars 10 are laid on the upper surface of the prefabricated plywood 3, plastic water dripping lines 5 are laid on the upper surface of the reinforcing steel bars 10, floor concrete 11 is poured outside the reinforcing steel bars 10, a concrete top mold rod 7 is filled in the floor concrete 11 pouring process, a plastic closing strip 6 is placed on the outer wall of the vertical end of the floor concrete 11, a layer of prefabricated plywood 3 is laid on the upper surface of the floor concrete 11, lay one deck third party wood 4 at prefabricated plywood 3's outer wall, later lay one deck second side wood 2 in the outside of third party wood 4, the connection is accomplished through prefabricated plywood 3 in the top of two second side wood 2, and the top of two second side wood 2 is through the spacing remain stable of wall bolt pole 8 with the bolt.

The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.

Claims (7)

1. The utility model provides a clear water concrete form cornices on convex parapet of roofing, a serial communication port, including steel pipe scaffold, steel pipe scaffold fixes subaerial, the wooden backing plate has been laid to steel pipe scaffold's one end, the outside of wooden backing plate is located steel pipe scaffold and has erect protection railing, one side of steel pipe scaffold is located subaerial and has erect the top support, first square timber has been placed to the top gomphosis of top support, the last fixed surface of first square timber is equipped with the second square timber, the upper surface frame of second square timber is equipped with prefabricated plywood, floor concrete has been placed to the top of prefabricated plywood, floor concrete's inside align to grid has the reinforcing bar.

2. The cornice fair-faced concrete formwork for the circular arc-shaped parapet wall of the roof is characterized in that plastic water dripping lines are erected on the upper surface of the prefabricated plywood at the contact part of the floor concrete and the prefabricated plywood.

3. The cornice fair-faced concrete formwork for the circular arc-shaped parapet wall of the roof is characterized in that the floor concrete is an L-shaped member, and prefabricated plywood is placed on two sides of the vertical end of the floor concrete.

4. The cornice fair-faced concrete formwork of the circular arc-shaped parapet of the roof is characterized in that third square timber is evenly arranged on the outer side surfaces of the two prefabricated plywood, and concrete top formwork rods are arranged on the inner sides of the two third square timber in a penetrating mode.

5. The cornice fair-faced concrete formwork for the circular arc-shaped parapet wall of the roof is characterized in that wall-penetrating bolt rods are arranged on the side surfaces of the two second square timbers in a penetrating mode, and limiting bolts are screwed at two ends of each wall-penetrating bolt rod.

6. The cornice fair-faced concrete formwork of the roof circular arc-shaped parapet wall is characterized in that a plastic closing strip is embedded and placed on the outer side surface of the vertical end of the floor slab concrete, and the side wall of the plastic closing strip is in contact with the inner wall of the prefabricated plywood.

7. The cornice fair-faced concrete formwork of the circular arc-shaped parapet of the roof is characterized in that countersunk nails are arranged on the two sides of the horizontal end of the floor concrete and positioned on the side surfaces of the prefabricated plywood in a penetrating mode.

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