CN212983594U - Bridge waterproof system for tropical rainforest region of Africa - Google Patents

Abstract

The utility model discloses a waterproof system of bridge in rain forest area of tropical of Africa, including the girder, seted up a connecting hole on the girder, install the drain pipe in the connecting hole, the drain pipe top is fixed with the support frame that has the through-hole, and the support frame top is fixed with the grid, and the asphalt concrete side rib has been pour to the both sides of grid and support frame, asphalt concrete side rib and grid parallel and level, the concrete subbase has been laid to the girder upper surface, and concrete subbase top is fixed with concrete roadbed layer, and concrete roadbed top contact connection has the waterproof layer, and the coating that shines is installed to the waterproof layer top, and the coating top that shines is fixed with asphalt base, and asphalt base top is provided with the asphalt surface course, the both sides of drain pipe are provided with the reinforcing bar, and the. The utility model discloses can effectively realize the drainage on bridge surface fast, the waterproof performance of reinforcing bridge reduces the rainwater and to the harm of bridge, prolongs the live time of bridge.

Description

Bridge waterproof system for tropical rainforest region of Africa

Technical Field

The utility model belongs to the technical field of the bridge is waterproof, in particular to bridge waterproof system in rain forest area of tropical africa.

Background

The annual rainfall capacity in tropical rainforest regions of Africa is very high, usually higher than 1800 mm, and some places reach 3500 mm, the annual rainfall capacity is uniformly distributed, the regions are wet all year round, and the relative air humidity is more than 95%, so that the bridge in the tropical rainforest regions of Africa needs to pay attention to the waterproof problem. The bridge is easily corroded by the permeable rainwater, and the waterproof property of the bridge is gradually taken into consideration as a link of the durability design of the bridge. However, most of them also only deal with the study of the waterproofing layer of bridge decks. The bridge deck waterproof layer is mainly arranged for fundamentally cutting off a contact path between water and a main beam structure and protecting upper structures such as the main beam and the like from being damaged by the water, so that the durability of the upper structures is improved. At present, the design of a bridge deck waterproof layer cannot meet the requirements of an African tropical rainforest region, so that a bridge waterproof system aiming at the African tropical rainforest region needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problems existing in the prior art and providing a bridge waterproof system with reasonable structure, safety and practicability for the rainforest region of the tropical Africa.

Based on the above-mentioned purpose, the utility model discloses take following technical scheme:

a bridge waterproof system in tropical rainforest areas in Africa comprises a main beam, a connecting hole is formed in the main beam, a drain pipe is installed in the connecting hole, a support frame with a through hole is fixed above the drain pipe, a grid is fixed above the support frame, asphalt concrete side ribs are poured on two sides of the grid and the support frame, the asphalt concrete side ribs are flush with the grid, a concrete subbase layer is laid on the upper surface of the main beam, a concrete roadbed layer is fixed above the concrete subbase layer, a waterproof layer is in contact connection with the upper side of the concrete roadbed layer, a sun-proof coating is arranged above the waterproof layer, an asphalt base layer is fixed above the sun-proof coating, an asphalt surface layer is arranged above the asphalt base layer, the asphalt surface layer is flush with the asphalt concrete side ribs, the both sides of drain pipe are provided with the strengthening steel bar, and the strengthening steel bar is located the inside of girder, and the strengthening steel bar is in the below of support frame, concrete subbase.

Furthermore, an edge beam is further fixed above the end part of the main beam, and a handrail is installed on the edge beam.

Further, the support frame and the grating are both made of stainless steel.

Further, the waterproof layer is a waterproof coiled material or waterproof paint.

Further, the light-fast coating is rubber.

Furthermore, the reinforcing steel bars are distributed in the main beam in a shape of < ">.

Further, the drain pipe is the PVC pipe, and the diameter of drain pipe is 150 mm.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a bridge waterproof system in tropical rainforest areas of Africa, wherein a support frame and a grid are arranged on a drain pipe, and rainwater enters the drain pipe from the grid and the support frame; the asphalt concrete side ribs are convenient for fixing the support frame and the grating; the reinforcing steel bars on the two sides of the drain pipe are distributed in the main beam in a "<" shape, so that the strength of the whole system can be enhanced; concrete subbase layer, concrete roadbed layer, waterproof layer, sun-proof coating, asphalt base layer, asphalt surface layer are laid in proper order to girder top, and the sun-proof coating is rubber, can protect the sunstroke prevention layer, reduces the direct influence of shining of sunshine to the waterproof layer. The utility model discloses can effectively realize the drainage on bridge surface fast, the waterproof performance of reinforcing bridge reduces the rainwater and to the harm of bridge, prolongs the live time of bridge. The utility model discloses rational in infrastructure, safe practical has solved the waterproof problem of bridge in the rain forest area of tropical in Africa well, and the using value is very high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a main beam; 2. a drain pipe; 3. a support frame; 4. a grid; 5. asphalt concrete side ribs; 6. a concrete sub-base layer; 7. a concrete roadbed layer; 8. a waterproof layer; 9. a light fast coating; 10. an asphalt base layer; 11. an asphalt surface layer; 12. reinforcing steel bars; 13. a boundary beam; 14. a railing.

Detailed Description

As shown in fig. 1-2, the utility model discloses a bridge waterproof system in rain forest area in tropical Africa, including girder 1, seted up a connecting hole on girder 1, install drain pipe 2 in the connecting hole, drain pipe 2 is the PVC pipe, and drain pipe 2's diameter is 150mm, and drain pipe 2 top is fixed with support frame 3 that has the through-hole, and support frame 3 is the stainless steel, and support frame 3 top is fixed with grid 4, and grid 4 is the stainless steel, and asphalt concrete side rib 5 has been pour to the both sides of grid 4 and support frame 3, and asphalt concrete side rib 5 and grid 4 parallel and level. Concrete underlayer 6 has been laid to 1 upper surface of girder, concrete underlayer 6 top is fixed with concrete road bed 7, concrete road bed 7 top contact connection has waterproof layer 8, waterproof layer 8 is waterproofing membrane or water proof coating, waterproof layer 8 installs solarization coating 9 in the top, solarization coating 9 is rubber, solarization coating 9 can protect waterproof layer 8, solarization coating 9 top is fixed with asphalt base layer 10, asphalt base layer 10 top is provided with asphalt surface layer 11, asphalt surface layer 11 and 5 parallel and level of asphalt concrete side rib. The both sides of drain pipe 2 are provided with reinforcing bar 12, and reinforcing bar 12 is "<" shape distribution in the inside of girder 1, and reinforcing bar 12 is located the below of support frame 3, concrete subbase 6, strengthens the intensity of whole system. An edge beam 13 is further fixed above the end part of the main beam 1, and a railing 14 is fixedly arranged on the edge beam 13.

When the concrete side wall is used, the upper drain pipe 2 is installed on the connecting hole, the support frame 3 and the grating 4 are installed on the drain pipe 2, the asphalt concrete side rib 5 is poured, the concrete subbase layer 6, the concrete roadbed layer 7, the waterproof layer 8, the sun-proof coating 9, the asphalt base layer 10 and the asphalt surface layer 11 are sequentially paved above the main beam 1, the edge beam 13 is fixed on the end face of the main beam 1, and the railing 14 is installed on the edge beam 13.

Claims (7)

1. The utility model provides a bridge waterproof system in tropical rainforest area of Africa, its characterized in that, includes the girder, has seted up a connecting hole on the girder, installs the drain pipe in the connecting hole, and the drain pipe top is fixed with the support frame that has the through-hole, and the support frame top is fixed with the grid, and the bituminous concrete side rib has been pour to the both sides of grid and support frame, bituminous concrete side rib and grid parallel and level, the girder upper surface has laid the concrete subbase layer, and concrete subbase layer top is fixed with the concrete roadbed layer, and concrete roadbed layer top contact connection has the waterproof layer, installs the sun-proof coating above the waterproof layer, and the sun-proof coating top is fixed with the bituminous base layer, and bituminous base layer top is provided with the bituminous surface course, and bituminous surface course and bituminous concrete side rib parallel and level, the both sides of drain pipe are provided with the, Below the concrete sub-base.

2. The bridge waterproof system for the tropical rainforest region in Africa of claim 1, wherein an edge beam is further fixed above the end part of the main beam, and a railing is installed on the edge beam.

3. The system of claim 1, wherein the support frame and the grid are both stainless steel.

4. The bridge waterproofing system according to claim 1, wherein the waterproof layer is a waterproof roll or a waterproof paint.

5. The system of claim 1, wherein the light-fast coating is rubber.

6. The system of claim 1, wherein the reinforcing steel bars are distributed in a shape of "<" inside the main beam.

7. The system of claim 1, wherein the drain pipe is a PVC pipe having a diameter of 150 mm.

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