CN203498796U

CN203498796U - A slope-type caisson breakwater with downward-inserted boxes

Info

Publication number: CN203498796U
Application number: CN201320584201.1U
Authority: CN
Inventors: 刘东华; 刘红静
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-17
Filing date: 2013-09-17
Publication date: 2014-03-26
Anticipated expiration: 2023-09-17

Abstract

The utility model provides a slope-type caisson breakwater with downward-inserted boxes. The slope-type caisson breakwater is formed through longitudinal combination of a plurality of slope-type caisson bodies with the downward-inserted boxes. Each slope-type caisson body is of a reinforced concrete box structure; a downward-inserted box inserted into the place under the mud surface of the seabed is disposed under a bottom plate of each slope-type caisson body; and each downward-inserted box is a square box body which is open in the lower portion and is placed upside down, the periphery of the box body is provided with vertical downward-inserted box body outer walls, and a plurality of vertical reinforcing rib walls used for increasing the strength and rigidity of a downward-inserted box body are disposed in the box body. The downward-inserted box bodies are inserted in the mud layer of the seabed directly, and therefore, the weight of caissons can be increased greatly, the stability of the caissons is better, the processing work for a breakwater foundation can be eliminated, the cost of foundation processing is reduced, the construction efficiency is high, the usage amount of construction material is less, the manufacture cost is low, the investment is low and the construction cycle is short. The breakwater is especially suitable for weak soil foundations.

Description

The ramp type caisson breakwater with lower subrack

Technical field

The utility model relates to marine structure field.

Background technology

Mole is the important hydraulic structure in harbour, for defending the invasion and attack of wave to harbour region, guarantees that there is waters stably at harbour, is convenient to boats and ships and stops mooring, carries out smoothly cargo handling operation and upper and lower passenger.Along with the development of World Economics and the growth of trade, good bay is developed totally, and new port is had to the severe marine site development of environment, trend that the wave is high in the depth of water, the marine site of complicated geology construction mole is inevitable, the mole of building harbour, cost is high, and investment is large.

For reducing costs, applicant has applied for that application number is 201320547875.4, and name is called the patent of ramp type caisson breakwater.The content of claim is mainly, by a plurality of ramp type caisson bodies, longitudinally form ramp type caisson breakwater, ramp type caisson body is reinforced concrete box shaped structure, comprise and be positioned at the caisson body horizonal base plate of bottom, the horizontal vertical wall of a plurality of caisson bodies, the longitudinal vertical wall of a plurality of caisson bodies, the top of ramp type caisson body is the caisson body levee crown slope being raise by side direction mole port, mole sea side, the gradient of caisson body levee crown slope is between 1:3 to 1:1, and the height of caisson body levee crown slope is 1 to 4 times of wave height.

Ramp type caisson breakwater has advantages of existing jackstone sloping breakwater, wave occurs broken on slope, most of wave energy is absorbed and dissipates in the traveling process of slope, reflexion of wave is little, and stability is high, has avoided again the mole section of existing ramp type riprap breakwater large, mole material usage is many, when particularly the depth of water is larger, with the greatly increase of increase mole material of the depth of water, the shortcoming that cost is increased.

Ramp type caisson breakwater adopts reinforced concrete caisson to do levee body, concrete service efficiency high strength is good, the concrete caisson of box-shaped has higher bulk strength, compare with jackstone sloping breakwater, constructional materials consumption is less, concrete caisson is whole manufacture by land, easy construction, low cost of manufacture.

The shortcoming that the patent of existing ramp type caisson breakwater still exists is, for making ramp type caisson breakwater have higher stability at sea, need ramp type caisson to have larger quality, larger mass loading can make again mole produce sedimentation and distortion, and ramp type caisson breakwater must have basis firm and that bearing capacity is high to support.In the coastal seabed that mostly is weak soil basis, weak soil basis is sposh shape, and supporting capacity is extremely low, on weak soil basis, builds mole, first will dig up mud, then changes back-up sand or stone, makes firm basis, and Foundation Design amount is large, and cost is high.

The basic cost of ramp type caisson breakwater structure is high, investment is large, can not meet the needs of economic development and construction.Particularly at the neritic province domain on weak soil basis, build mole just more difficult, the handling expenses of labour material on weak soil basis, cost is high.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of ramp type caisson breakwater with lower subrack, subrack under increasing below ramp type caisson bottom, make the stability of caisson better, remove the work for the treatment of on mole basis from, reduced the cost of based process, efficiency of construction is high, constructional materials consumption is few, low cost of manufacture, small investment, construction period is short, is specially adapted to build mole on weak soil basis.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: by a plurality of ramp type caisson bodies with lower subrack, longitudinally form the ramp type caisson breakwater with lower subrack, ramp type caisson body is reinforced concrete box shaped structure, the top of ramp type caisson body is the caisson body levee crown slope being raise by side direction mole port, mole sea side, below the base plate of ramp type caisson body, there is the lower subrack inserting under the mud face of seabed, lower subrack is the square box of lower openings back-off, casing surrounding have vertical direction box body wall, in casing, there are a plurality of to increase the reinforcing rib wall of casing intensity and rigidity vertical direction.

The beneficial effects of the utility model are: the utility model provides a kind of ramp type caisson breakwater with lower subrack, and ramp type caisson breakwater is further improved.Below the bottom of ramp type caisson, increased time subrack, lower subrack directly inserts in the mud layer in seabed, can increase greatly the quality of caisson, makes the stability of caisson better, remove the work for the treatment of on mole basis from, the cost that has reduced based process, efficiency of construction is high, and constructional materials consumption is few, low cost of manufacture, small investment, the construction period is short, is specially adapted to build mole on weak soil basis.

Accompanying drawing explanation

1. Fig. 1 is the ramp type caisson body cross section sectional view with the ramp type caisson breakwater of lower subrack.

2. Fig. 2 is that the K of Fig. 1 is to view.

3. Fig. 3 is the A-A sectional view of Fig. 1.

In the drawings:

1. ramp type caisson body 2. caisson body levee crown slopes

3. 4. times subracks of base plate

5. cabinet exterior 6. reinforcing rib walls

7. seabed mud face 8. mean sea levels

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail: Fig. 1 is the ramp type caisson body cross section sectional view with the ramp type caisson breakwater of lower subrack.Fig. 2 is that the K of Fig. 1 is to view.Fig. 3 is the A-A sectional view of Fig. 1.

In Fig. 1, represent, the top of ramp type caisson body 1 is reinforced concrete box shaped structure, comprise horizonal base plate, the horizontal vertical wall of a plurality of caisson bodies, the longitudinal vertical wall of a plurality of caisson bodies, the top of ramp type caisson body is the caisson body levee crown slope 2 being raise by side direction mole port, mole sea side, the gradient of caisson body levee crown slope is between 1:3 to 1:1, and the height of caisson body levee crown slope is 1 to 4 times of wave height.

In Fig. 2, represent caisson body levee crown slope 2, caisson body levee crown slope 2 is that the ramp type lattice that progressively raise that consist of a plurality of inclination transverse beams and a plurality of horizontal longitudinal beam are deleted, ramp type lattice delete can to pour in ramp type caisson body silt particle, stone lattice delete hole.Ramp type lattice are deleted and are made wave that fragmentation occur on slope, and reflexion of wave is little, and stability is high, adopt reinforced concrete caisson to do levee body, and concrete service efficiency high strength is good, and constructional materials consumption is less, easy construction, low cost of manufacture.

For overcoming the shortcoming of original ramp type caisson breakwater, the ramp type caisson breakwater with lower subrack has increased time subrack structure, below the base plate 3 of ramp type caisson body 1, there is the lower subrack 4 inserting under the mud face of seabed, the A-A that represents lower subrack 4 in Fig. 3 analyses and observe, lower subrack 4 is the square box of lower openings back-off, casing surrounding have vertical direction lower subrack cabinet exterior 5, in casing, have a plurality of to increase the vertical direction reinforcing rib wall 6 of lower subrack casing intensity and rigidity.

Lower subrack 4 is all-in-one-piece steel concrete casing processed with ramp type caisson body 1, and ramp type caisson body 1 by land reinforced concrete prefabricated construction is manufactured, and after lower water, at sea installs and connects into mole.

In the deep downward insertion seabed of lower subrack 4, be fixed in mud layer, combine a large amount of silt particles, ramp type caisson volume and weight are increased greatly, the corresponding increase of anti-wave impact ability, make the good stability of ramp type caisson, silt particle in lower subrack 4 is the same with seabed silt particle severe, can additionally not increase the downward settling amount of ramp type caisson, owing to increasing the load capacity of vertical and level, the ramp type caisson breakwater with lower subrack can not enter to process to weak soil basis, directly the lower subrack of ramp type caisson 4 is inserted to seabed downwards, remove the work for the treatment of on mole basis from.

Accompanying drawing 1 is Figure of abstract, and undeclared piece number 7 is seabed mud face, and piece number 8 is mean sea level.

The utility model has the advantages that: a kind of ramp type caisson breakwater with lower subrack is provided, below the bottom of ramp type caisson, increased time subrack 4, lower subrack 4 directly inserts in the mud layer in seabed, can increase greatly the quality of caisson, make the stability of caisson better, remove the work for the treatment of on mole basis from, reduced the cost of based process, efficiency of construction is high, constructional materials consumption is few, low cost of manufacture, small investment, construction period is short, is specially adapted to build mole on weak soil basis.

Claims

1. one kind longitudinally forms the ramp type caisson breakwater with lower subrack by a plurality of ramp type caisson bodies (1) with lower subrack, ramp type caisson body (1) is reinforced concrete box shaped structure, the top of ramp type caisson body (1) is the caisson body levee crown slope (2) being raise by side direction mole port, mole sea side, it is characterized in that: the base plate (3) of ramp type caisson body (1) has the lower subrack (4) inserting under the mud face of seabed below, lower subrack (4) is the square box of lower openings back-off, casing surrounding have vertical direction lower subrack cabinet exterior (5), in casing, there are a plurality of to increase the vertical direction reinforcing rib wall (6) of lower subrack casing intensity and rigidity.