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Bridge pier isolation type composite elastic ship collision prevention bent frame structure system and construction method thereof

A composite material and construction method technology, applied in bridges, bridge parts, bridge construction, etc., can solve problems such as poor corrosion resistance, difficult repair, short life cycle, etc., and achieve simple, convenient and fast construction, good anti-collision effect, and improved The effect of stability

Pending Publication Date: 2021-11-02
NANJING TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this type of anti-collision facility can effectively reduce the damage of the ship to the pier, it is difficult to repair after being hit, and the damage to the ship is relatively large, and the cost is relatively high
At the same time, steel and concrete materials have poor corrosion resistance, require regular maintenance, and have short life cycles in harsh environments.

Method used

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  • Bridge pier isolation type composite elastic ship collision prevention bent frame structure system and construction method thereof
  • Bridge pier isolation type composite elastic ship collision prevention bent frame structure system and construction method thereof
  • Bridge pier isolation type composite elastic ship collision prevention bent frame structure system and construction method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035] see figure 1 and figure 2 , this embodiment provides a bridge pier isolated composite material elastic anti-ship bending frame system, including:

[0036] Composite material protection pile 2, there are multiple composite material protection piles 2, and they are arranged in parallel on one side of the bridge pier;

[0037] A crossbeam 3, a plurality of crossbeams 3 are provided, and the crossbeam 3 is arranged on the composite material protection pile 2 for connecting multiple composite material protection piles 2, and the crossbeam 3 and the crossbeam 3 are arranged in parallel;

[0038] Among them, a plurality of composite protection piles 2 and a plurality of crossbeams 3 form a bent frame structure, and the composite protection piles 2 are made of fiber winding technology. The impact block is a cylindrical shell structure, and the cavity therein is filled with energy-dissipating particles.

[0039] Specifically, the continuous fiber filament 1 adopts one or mor...

Embodiment 2

[0045] see image 3 , the present embodiment provides a method for preparing composite protection piles by fiber winding technology, which specifically includes:

[0046] Firstly, the fiber filament 6 wound on the creel 5 is passed through the separator 7, and then in the input resin tank 8, the fiber filament 6 is impregnated with an impregnating agent, and then the impregnated fiber filament 6 is processed by an embossing cylinder 9. embossing;

[0047] Then, the continuous fiber filaments 1 obtained after embossing are bundled into one strand through the guide rail, and then alternately wound layer by layer according to the angle of 45°, -45° or -45°, 45° with the rotating mandrel 10 Form a test piece;

[0048] Finally, the test piece is cured, and then the rotating mandrel 10 is removed to obtain the protective pile 2 made of composite material.

[0049] Specifically, the composite protection pile 2 provided by this embodiment has high energy absorption and has a certai...

Embodiment 3

[0052] see Figure 4 , the present embodiment provides a construction method of a bridge pier isolated composite material elastic anti-ship collision bent frame structure system, and the construction method includes the following steps:

[0053] Step S1, on one side of the bridge pier, a plurality of composite protection piles 2 are arranged in parallel;

[0054] Step S2 , installing multiple crossbeams 3 on the set multiple composite material protection piles 2 , and the crossbeams 3 are arranged in parallel with each other, and the multiple composite material protection piles 2 and the multiple crossbeams 3 form a bent frame system.

[0055] Specifically, in this embodiment, step S1 specifically includes:

[0056] Step S101, according to existing information, such as bridge drawings, design instructions, navigable ships, etc., determine the collision height of the ship;

[0057] Step S102, according to the soil data of the construction site or detailed geotechnical engineeri...

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Abstract

The invention discloses a bridge pier isolation type composite elastic ship collision prevention bent frame structure system and a construction method thereof. The bridge pier isolation type composite elastic ship collision prevention bent frame structure system comprises a plurality of composite protection piles and a plurality of cross beams, wherein the plurality of composite protection piles are arranged on one side of a bridge pier in parallel; the plurality of cross beams are arranged on the composite protection piles and are used for connecting the plurality of composite protection piles, and the cross beams are arranged in parallel; and the plurality of composite protection piles and the plurality of cross beams form a bent frame structure, and the composite protection piles are manufactured by adopting a fiber winding technique. According to the bridge pier isolation type composite elastic ship collision prevention bent frame structure system, the adopted composite protection piles are high in energy absorption and has certain elastic deformation; the designability is high, and the structure can be adjusted according to different conditions; and the composite protection piles have good adaptive capacity to the sensitive environment.

Description

technical field [0001] The invention relates to the technical field of bridge pier anti-collision, in particular to a bridge pier isolated composite material elastic anti-ship bent frame structure system. Background technique [0002] There are many types of anti-collision facilities for bridge piers today, but most of them use steel or concrete materials. For example: cluster piles, independent anti-collision piers, steel structure casings, etc. Although this type of anti-collision facility can effectively reduce the damage of the ship to the pier, it is difficult to repair after being hit, the damage to the ship is relatively large, and the cost is relatively high. At the same time, steel and concrete materials have poor corrosion resistance, require regular maintenance, and have short life cycles in harsh environments. [0003] Therefore, in the field of pier anti-collision, a new type of anti-collision system is urgently needed. Compared with the anti-collision system ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/26E01D19/02E01D21/00
CPCE02B3/26E01D19/02E01D21/00Y02A30/30
Inventor 方海高世阳祝露韩娟张建斌林立华叶黎鹏董小强
Owner NANJING TECH UNIV
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