阅读说明：本技术 一种钢混组合楔形止水结构 (Steel-concrete combined wedge-shaped water stop structure ) 是由 陈良志 杨艺平 钱原铭 朱峰 黄黎明 陈家悦 谢正坚 杨锡鎏 李家华 杨彪 廖晨 于 2020-05-27 设计创作，主要内容包括：本发明公开了一种钢混组合楔形止水结构,包括有槽道基础和止水块,槽道基础中具有楔形槽道,止水块为与楔形槽道形状相配的楔形结构,并在止水块与楔形槽体具有接触关系的底面及两侧均设置有橡胶止水带。本发明通过设计楔形结构的槽道与止水块相配合,能够将结构端部承受的单向水压力,转化为对侧面橡胶止水带的挤压力,而顶部的坞门荷载可转化为对底面橡胶止水带的挤压力。压力越大,则橡胶止水带被压得越紧,止水效果越好,从而达到良好的止水效果。设计止水钢板和橡胶止水带共同构成连续的止水面,保障了结构的止水性能；设计倾斜带坡度的导向钢板,能够保证止水块精确就位坐底,实现安装过程中自动定位和预紧。(The invention discloses a reinforced concrete combined wedge-shaped water stop structure which comprises a channel foundation and a water stop block, wherein a wedge-shaped channel is arranged in the channel foundation, the water stop block is of a wedge-shaped structure matched with the shape of the wedge-shaped channel, and rubber water stop belts are arranged on the bottom surface and two sides of the water stop block, which are in contact with the wedge-shaped channel. According to the invention, by designing the channel of the wedge-shaped structure to be matched with the water stop block, the one-way water pressure borne by the end part of the structure can be converted into the extrusion force on the rubber water stop belt on the side surface, and the dock gate load on the top can be converted into the extrusion force on the rubber water stop belt on the bottom surface. The higher the pressure is, the tighter the rubber water stop is pressed, the better the water stop effect is, and therefore the good water stop effect is achieved. The water stop steel plate and the rubber water stop belt are designed to jointly form a continuous water stop surface, so that the water stop performance of the structure is guaranteed; the design slope takes the direction steel sheet of slope, can guarantee that the accurate seat end of taking one's place of stagnant water piece realizes automatic positioning and pretension in the installation.)

1. The utility model provides a reinforced concrete combination wedge stagnant water structure which characterized in that: the water-stop wedge-shaped water-stop groove comprises a groove channel foundation and a water-stop block, wherein a wedge-shaped groove channel is arranged in the groove channel foundation, and the wedge-shaped groove channel is of a wedge-shaped structure with the width of the water-facing side larger than that of the back water side; the water stop block is a wedge-shaped structure matched with the shape of the wedge-shaped channel, and the width of the water-close side of the water stop block is larger than that of the backwater side of the water stop block; rubber waterstops are arranged on the bottom surface and two sides of the water stop block, which are in contact with the wedge-shaped channel, after the water stop block is embedded into the wedge-shaped channel, the rubber waterstops on the bottom surface of the water stop block are tightly pressed on the bottom of the wedge-shaped channel, and the rubber waterstops on the two sides of the wedge-shaped channel are tightly pressed on the two side walls of the wedge-shaped channel to form a sealed water stop structure; and a guide structure is arranged between the side wall of the wedge-shaped channel and the two sides of the water stop block.

2. The steel-concrete combined wedge-shaped water stop structure according to claim 1, characterized in that: the guide structure comprises guide limiting steel plates arranged on two side walls of the wedge-shaped channel and guide steel plates arranged on two sides of the waterstop on the waterside side, wherein the guide limiting steel plates oppositely extend out of the two side walls of the wedge-shaped channel and are of structures which extend downwards and obliquely towards the waterside side; the structure that the direction steel sheet then for the incline direction of the spacing steel sheet of cooperation direction and from last down to the slope of the side of a river side shrink gradually, after the stagnant water piece is packed into the wedge channel completely, the direction steel sheet sticiss on the inclined plane of the spacing steel sheet of direction.

3. The steel-concrete combined wedge-shaped water stop structure according to claim 2, wherein: the channel foundation is made of cast-in-place concrete, a covered steel plate is pre-embedded in the surface of the concrete, a water stop steel plate is pre-embedded in the concrete, and the covered steel plate and the water stop steel plate are welded and fixed with reinforcing steel bars in the concrete; the guide limiting steel plate and the edge-covering steel plate are welded and fixed, and a plurality of transversely arranged reinforcing rib plates are welded between the near water surface of the guide limiting steel plate and the edge-covering steel plate.

4. The steel-concrete combined wedge-shaped water stop structure according to claim 2, wherein: the water stop block comprises a steel box lattice which is enclosed by a steel bottom plate, a steel top plate, a steel front plate, steel side plates and inner partition plates which are connected in a longitudinal and transverse mode, and concrete is filled in the steel box lattice to form a water stop block main body; the water stop block is a wedge-shaped structure with a wide front end near water side and a narrow rear end back water side, the shape and the size of the wedge-shaped structure are matched with those of a wedge-shaped channel, the bottom surface and two side surfaces of the front end near water side are provided with concave parts, the concave depth is smaller than the thickness of the rubber water stop band in a non-extrusion state, and the rubber water stop band is arranged in the concave parts.

5. The steel-concrete combined wedge-shaped water stop structure according to claim 4, wherein: the rubber waterstop comprises rubber strips, the rubber strips are respectively arranged in the concave parts of the side surface and the bottom surface of the waterstop block, and the connection part of the side surface and the bottom surface is subjected to heat vulcanization treatment to form a semi-surrounding structure on the two sides and the bottom surface of the waterstop block; the rubber strip is compressed by adopting a pressing gasket strip and is respectively locked and fixed with the steel bottom plate and the steel side plate through bolts.

6. The steel-concrete combined wedge-shaped water stop structure according to claim 4, wherein: the guide steel plate is welded and fixed with the steel front plate, and a plurality of transversely arranged reinforcing rib plates are welded between the back surface of the guide steel plate and the steel front plate; and hoisting holes are formed in the guide steel plates.

7. The steel-concrete combined wedge-shaped water stop structure according to claim 4, wherein: the inner partition plate comprises vertical partition plates and horizontal partition plates which are made of steel plates, and installation lifting holes are formed in part of the vertical partition plates.

Technical Field

The invention relates to the technical field of large precast yard engineering of ocean engineering, in particular to a steel-concrete combined wedge-shaped water stop structure of a steel box concrete combined wedge-shaped water stop structure.

Background

With the vigorous development of offshore and coastal projects in China, large prefabricated parts are used as important components of offshore and coastal projects and infrastructure projects, and the rapid prefabrication and safe shipment of the large prefabricated parts are important links for ensuring the project quality and the construction progress. In order to guarantee the prefabrication quality of the components, dry construction is usually needed, prefabrication is completed, the components move to a deep dock area in a traversing mode, and a dock gate is closed to carry out water filling floating sea transportation. Due to the requirements of installing the prefabricated member transverse moving track and placing the pushing equipment, a channel needs to be reserved on the bottom foundation of the dock gate. The end part of the channel needs to bear larger one-way water pressure, the top needs to bear larger dock gate load, the space is narrow, the channel needs to be opened and closed repeatedly in operation, and the design difficulty is high. And the water stopping of the channel is a weak link in the whole dock gate design, so that how to effectively stop water and achieve water leakage is very important.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a steel-concrete combined wedge-shaped water stopping structure which is reasonable in structural arrangement, good in water stopping effect, simple in construction process and easy to maintain.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a reinforced concrete combination wedge stagnant water structure which characterized in that: the water-stop wedge-shaped water-stop groove comprises a groove channel foundation and a water-stop block, wherein a wedge-shaped groove channel is arranged in the groove channel foundation, and the wedge-shaped groove channel is of a wedge-shaped structure with the width of the water-facing side larger than that of the back water side; the water stop block is a wedge-shaped structure matched with the shape of the wedge-shaped channel, and the width of the water-close side of the water stop block is larger than that of the backwater side of the water stop block; the bottom surface and two sides of the water stop block, which are in contact with the channel foundation, are provided with rubber water stops, the water stop block is embedded in the wedge-shaped channel, and then under the action of one-way water pressure and top load at the end part, the rubber water stops at the bottom surface are tightly pressed on the bottom of the wedge-shaped channel, and the rubber water stops at the two sides are tightly pressed on the two side walls of the wedge-shaped channel to form a sealed water stop structure; and a guide structure is arranged between the side wall of the wedge-shaped channel and the two sides of the water stop block.

Furthermore, the guide structure comprises guide limiting steel plates arranged on two side walls of the wedge-shaped channel and guide steel plates arranged on two sides of the waterstop on the waterside side, wherein the guide limiting steel plates oppositely extend out of the side walls of the two sides of the wedge-shaped channel and are of structures which are downward and obliquely extend towards the waterside side; the structure that the direction steel sheet then for the incline direction of the spacing steel sheet of cooperation direction and from last down to the slope of the side of a river side shrink gradually, after the stagnant water piece is packed into the wedge channel completely, the direction steel sheet sticiss on the inclined plane of the spacing steel sheet of direction.

Furthermore, the channel foundation is made of cast-in-place concrete, a covered steel plate is embedded in the surface of the concrete, a water stop steel plate is embedded in the concrete, and the covered steel plate and the water stop steel plate are welded and fixed with reinforcing steel bars in the concrete; the guide limiting steel plate and the edge-covering steel plate are welded and fixed, and a plurality of transversely arranged reinforcing rib plates are welded between the near water surface of the guide limiting steel plate and the edge-covering steel plate.

Furthermore, the water stop block comprises a steel box lattice which is surrounded by a steel bottom plate, a steel top plate, a steel front plate, steel side plates and inner clapboards which are connected in a vertical and horizontal mode, and concrete filled in the steel box lattice; the water stop block is a wedge-shaped structure with a wide front end near water side and a narrow rear end back water side, the shape and the size of the wedge-shaped structure are matched with those of a wedge-shaped channel, the bottom surface and the two side surfaces of the front end near water side are provided with concave parts, the concave depth is smaller than the thickness of the rubber water stop band in a non-extrusion state, the rubber water stop band is arranged in the concave parts, and the influence on the placement stability of the water stop block due to the fact that the rubber water stop band is too high in protrusion is.

Furthermore, the rubber waterstop comprises a rubber strip, the rubber strip is arranged in the concave part in the front section of the waterstop block, and is compressed by a pressing gasket strip and is respectively locked and fixed with the steel bottom plate and the steel side plate through bolts; the continuous water stop line is formed at the joint of the side surface and the bottom surface through heat vulcanization treatment.

Furthermore, the guide steel plate is welded and fixed with the steel front plate, and a plurality of transversely arranged reinforcing rib plates are welded between the back surface of the guide steel plate and the steel front plate, so that the guide steel plate has stronger pressure resistance; and hoisting holes are formed in the guide steel plates so as to facilitate hoisting and installation.

Furthermore, the inner partition plate comprises vertical partition plates and horizontal partition plates made of steel plates, wherein hoisting holes are formed in part of the vertical partition plates, and the hoisting holes formed in the steel guide plate form a four-point hoisting structure, so that the water stop block can be hoisted conveniently.

Because the guide limiting steel plate inclines backwards from top to bottom, the space at the upper part of the wedge-shaped channel is larger than the space at the lower part, and the water stop block is convenient to be installed. In the installation process, the water stop block slides downwards along the guide steel plate, and the water stop block descends and retreats under the guide limit of the guide limiting steel plate. Because the rear space of the wedge-shaped channel is smaller than the front space, the rubber water stops on the two sides can be squeezed more and more tightly in the process that the water stop block descends and retreats along the edge, and therefore the positioning and pre-tightening effects of the water stop block are achieved.

According to the invention, by designing the channel of the wedge-shaped structure to be matched with the water stop block, the one-way water pressure borne by the end part of the structure and the dock gate load on the top part can be converted into the extrusion force for stopping water by rubber. The higher the pressure is, the tighter the rubber water stop is pressed, the better the water stop effect is, and therefore the good water stop effect is achieved. The water stop steel plate and the rubber water stop belt are designed to jointly form a continuous water stop surface, so that the water stop performance of the structure is guaranteed; the steel plate wrapping edges are embedded in the surface of the channel, so that the durability of the structure can be further improved. The design slope takes the direction steel sheet of slope, can guarantee that the accurate seat end of taking one's place of stagnant water piece realizes automatic positioning and automatic pretension in the stagnant water piece handling installation, makes things convenient for the maintenance use of structure. Finally, the materials used by the structure are steel and concrete mixed structures commonly used in engineering, most of the structural components are prefabricated components, the construction process is simple, and the overall cost is low.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention (the reinforcing ribs on the front side of the guiding and limiting steel plate are not shown);

FIG. 2 is a schematic plan view of the present invention (the reinforcing ribs on the front side of the guide and position-limiting steel plate are not shown);

FIG. 3 is a schematic elevation view of the present invention;

FIG. 4 is a schematic perspective view of a stopper;

FIG. 5 is a schematic perspective view of a stopper at another angle;

FIG. 6 is a schematic front view of a water stop block;

FIG. 7 is a side view of a water stop block;

FIG. 8 is a schematic cross-sectional view of a stopper.

In the figure, 1 is the channel basis, 11 is the wedge channel, 12 is the steel sheet of borduring, 13 is the water steel sheet, 14 is the spacing steel sheet of direction, 15 is the reinforcing bar, 2 is the water piece, 21 is the steel bottom plate, 22 is the steel roof, 23 is the steel front bezel, 24 is the steel curb plate, 25 is for erecting the baffle, 26 is the cross slab, 3 is the rubber waterstop, 31 is the rubber strip, 32 is the pressure filler strip, 33 is the bolt, 4 is the concrete, 5 is the steel sheet of direction, 51 is the hole for hoist, 52 is the reinforcing floor.

Detailed Description

The invention is further illustrated by the following specific embodiments in conjunction with the accompanying drawings:

in this embodiment, referring to fig. 1 to 8, the steel-concrete combined wedge-shaped water stop structure includes a channel foundation 1 and a water stop block 2, the channel foundation 1 has a wedge-shaped channel 11 therein, and the wedge-shaped channel 11 is a wedge-shaped structure with a width on a waterside side (front end) larger than a width on a backwater side (rear end); the water stop block 2 is a wedge-shaped structure (similar to a trapezoid) matched with the shape of the wedge-shaped channel 11, and the width of the water side (front end) of the water stop block is larger than that of the backwater side (front end); the bottom surface and two sides of the water stop block 2, which are in contact with the channel foundation 1, are provided with rubber water stops 3, and after the water stop block 2 is embedded into the wedge-shaped channel 11, the rubber water stops 3 on the bottom surface are tightly pressed on the bottom of the wedge-shaped channel 11, and the rubber water stops 3 on the two sides are tightly pressed on two side walls of the wedge-shaped channel 11 to form a sealing water stop structure; a guide structure is arranged between the side wall of the wedge-shaped channel 11 and the two sides of the water stop block 2.

The guide structure comprises guide limiting steel plates 14 arranged on two side walls of the wedge-shaped channel 11 and guide steel plates 5 arranged on two sides of the waterstop 2 on the waterside side, wherein the guide limiting steel plates 14 oppositely extend out of the two side walls of the wedge-shaped channel 11 and are of a structure which is downward and obliquely extends towards the waterside side; the guide steel plate 5 is a structure which is matched with the inclination direction of the guide limit steel plate 14 and gradually shrinks towards the backwater side from top to bottom, and after the water stop block 2 is completely arranged in the wedge-shaped channel 11, the guide steel plate 5 is tightly pressed on the inclined surface of the guide limit steel plate 14.

The channel foundation 1 is made of cast-in-place concrete, a covered steel plate 12 is embedded in the surface of the concrete, a water stop steel plate 13 is embedded in the concrete, and the covered steel plate 12 and the water stop steel plate 14 are welded and fixed with a steel bar 15 in the concrete; the guide limiting steel plate 14 and the edge-covering steel plate 12 are welded and fixed, and a plurality of transversely arranged reinforcing rib plates are welded between the water-facing surface of the guide limiting steel plate 14 and the edge-covering steel plate 12.

The water stop block 2 comprises a steel box lattice which is enclosed by a steel bottom plate 21, a steel top plate 22, a steel front plate 23, a steel side plate 24 and longitudinally and transversely connected inner partition plates, and concrete 4 is filled in the steel box lattice to form a water stop block main body; the water stop block 2 is a wedge-shaped structure with a wide front end near water side and a narrow rear end back water side, the shape and the size are matched with a wedge-shaped channel, the bottom surface and the two side surfaces of the front end near water side are provided with concave parts, the concave depth is smaller than the thickness of the rubber water stop 3 in a non-extrusion state, the rubber water stop 3 is arranged in the concave parts, and the influence on the stability of the water stop block 2 caused by the fact that the rubber water stop 3 protrudes too high is avoided.

The rubber water stop 3 comprises a rubber strip 31, the rubber water stop 3 is arranged in the concave parts on the side surface and the bottom surface of the water stop block 2, and a semi-surrounding structure is formed on the two sides and the bottom surface of the water stop block 2, so that an integrated water stop structure can be realized; the rubber strip 31 is pressed by a pressing pad strip 32 and is respectively locked and fixed with the steel bottom plate 21 and the steel side plate 24 through bolts 33.

The guide steel plate 5 and the steel front plate 23 are welded and fixed, and a plurality of transversely arranged reinforcing rib plates 51 are welded between the back surface of the guide steel plate 5 and the steel front plate 23, so that the guide steel plate 5 has stronger pressure resistance; and hoisting holes 52 are formed in the guide steel plates 5 so as to facilitate hoisting and installation.

The inner partition plates comprise a plurality of vertical partition plates 25 and horizontal partition plates 26 which are made of steel plates, wherein hoisting holes are formed in the middle partition plates, and the hoisting holes formed in the steel guide plates form a four-point hoisting structure, so that the water stop blocks can be hoisted conveniently.

Because the guide limiting steel plate 14 inclines backwards from top to bottom, the space at the upper part of the wedge-shaped channel 11 is larger than that at the lower part, so that the water stop block 2 is convenient to be installed. In the installation process, the water stop block 2 slides downwards along the guide steel plate 14, and the water stop block 2 descends and retreats under the action of extruding the guide steel plate 5 by the guide limiting steel plate 14. Because the rear space of the wedge-shaped channel 11 is smaller than the front space, the rubber water stops 3 on the two sides are squeezed more and more tightly in the process that the water stop block 2 descends and retreats, and therefore the positioning and pre-tightening effects of the water stop block 2 are achieved.

The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.