CN210066790U - Box casing construction system - Google Patents
Box casing construction system Download PDFInfo
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- CN210066790U CN210066790U CN201920722113.0U CN201920722113U CN210066790U CN 210066790 U CN210066790 U CN 210066790U CN 201920722113 U CN201920722113 U CN 201920722113U CN 210066790 U CN210066790 U CN 210066790U
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Abstract
The utility model provides a pouring jacket construction system belongs to pouring jacket method construction technical field, and when utilizing this pouring jacket construction system to construct, pouring jacket positioning easy operation is convenient, and efficiency of construction and accuracy are high, and moreover, the construction risk is little. The sleeve construction system comprises a sleeve, a temporary supporting device and a positioning device, wherein the sleeve comprises a box body, the top of the box body is open, the bottom of the box body is provided with a bottom plate, a pile foundation guide sleeve is arranged in the box body, the pile foundation guide sleeve is arranged in the vertical direction, the bottom end of the pile foundation guide sleeve is connected to the bottom plate, and a pile position hole is formed in the bottom plate surrounded by the bottom end of the pile foundation guide sleeve; the temporary supporting device comprises temporary supporting piles distributed around the jacket box, and the temporary supporting piles are connected with connecting plates for fixedly connecting the jacket box; the positioning device comprises a first positioning part for adjusting the horizontal position of the jacket box and a second positioning part for adjusting the vertical position of the jacket box, and the first positioning part and the second positioning part are detachably connected between the box body and the temporary support pile.
Description
Technical Field
The utility model belongs to the technical field of the pouring jacket method construction, especially, relate to a pouring jacket construction system.
Background
In offshore construction, it is often necessary to build underwater foundations, such as: in the construction of a cross-sea bridge, a bearing platform foundation needs to be poured underwater to support a pier. At present, the construction of an underwater foundation is generally carried out by adopting a pouring jacket method, and water is blocked by side plates and a bottom plate (or a later poured concrete back cover) of a steel pouring jacket, so that a dry operation environment is provided for the construction of the underwater foundation.
At present, in the traditional casing box method construction, pile foundation construction is generally carried out firstly, then steel casing boxes are placed, the steel casing boxes are directly seated on foundation grooves, pile position holes reserved on a steel casing box bottom plate need to correspond to pre-constructed piles one by one when the steel casing boxes are placed in a sinking mode, position adjustment needs to be carried out if position difference exists after the steel casing boxes are placed in the sinking mode, water stopping treatment is carried out between the pile position holes of the steel casing box bottom plate and the pile foundations after the position adjustment, water in the steel casing boxes is pumped out after the water stopping, and then construction of underwater foundations such as bearing platforms is carried out in a dry operation environment formed by the steel casing boxes. However, in the above conventional casing construction method, the steel casing needs to be accurately positioned during and after sinking, the positioning operation after sinking of the steel casing is usually performed by using a jack, the positioning range is small, if the position deviation is large, the steel casing needs to be lifted and lowered again, the construction operation is very complicated, and the construction efficiency is low. In addition, in the traditional sleeve box construction method, the construction of the underwater foundation is carried out in the steel sleeve box, the construction operation platform is positioned below a water level line, once the side part of the steel sleeve box is damaged, a large amount of water directly rushes to the construction operation platform, so that serious loss is caused, and the construction risk is large.
Therefore, how to improve the construction efficiency and accuracy of the casing method construction and how to reduce the construction risk of the casing method construction are all technical problems which need to be solved urgently at present.
Disclosure of Invention
The utility model discloses to above-mentioned traditional pouring jacket method construction in cause steel pouring jacket position adjustment complex operation and lead to the problem that the efficiency of construction is low, the accuracy is poor, provide a pouring jacket construction system, when utilizing this pouring jacket construction system to construct, pouring jacket position adjustment easy operation is convenient, and efficiency of construction and accuracy are high, moreover, the construction risk is little.
In order to achieve the above object, the utility model discloses a technical scheme be:
a casing construction system comprises a casing, a temporary supporting device for temporarily supporting the casing, and a positioning device for adjusting the relative position of the casing and the temporary supporting device; the sleeve box comprises a box body, the top of the box body is open, the bottom of the box body is provided with a bottom plate, a pile foundation guide sleeve is arranged in the box body and is arranged along the vertical direction, the bottom end of the pile foundation guide sleeve is connected to the bottom plate, and a pile position hole is formed in the bottom plate surrounded by the bottom end of the pile foundation guide sleeve; the temporary supporting device comprises temporary supporting piles distributed around the jacket box, and the temporary supporting piles are connected with connecting plates for fixedly connecting the jacket box; the position adjusting device comprises a first position adjusting part and a second position adjusting part, the first position adjusting part is used for adjusting the horizontal position of the sleeve box, the second position adjusting part is used for adjusting the vertical position of the sleeve box, and the first position adjusting part and the second position adjusting part can be detachably connected between the box body and the temporary support pile.
Preferably, the first positioning piece is a first jack which stretches out and draws back along the horizontal direction, and two ends of the first jack are detachably connected to the periphery of the temporary support pile and the outer wall of the box body respectively.
Preferably, the second positioning part is a second jack which stretches out and draws back along the vertical direction, the top end of the second jack is detachably connected to the outer wall of the box body, and the bottom end of the second jack is detachably connected to the periphery of the temporary support pile.
Preferably, the box body is formed by sequentially splicing a plurality of sub-box bodies arranged from bottom to top, the sub-box body positioned at the bottommost layer is provided with the bottom plate, and the tops and the bottoms of the other sub-box bodies except the sub-box body at the bottommost layer are both arranged in an open manner.
Preferably, the sub-tank body positioned at the bottommost layer is made of concrete, and the other sub-tank bodies except the sub-tank body at the bottommost layer are made of steel.
Preferably, the number of the temporary support piles is at least four, and the temporary support piles are distributed around the jacket box in a central symmetry manner.
Preferably, the casing construction system further comprises a water stop member arranged on the wall of the pile position hole.
Preferably, the top end of the pile guide sleeve is flush with the top surface of the box body.
Preferably, the sleeve construction system further comprises a construction operation platform arranged at the top of the sleeve, and the construction operation platform is supported at the top ends of the box body and the pile foundation guide sleeve.
Compared with the prior art, the utility model discloses an advantage and beneficial effect lie in:
1. the utility model provides a pouring jacket construction system can support the pouring jacket temporarily through the interim strutting arrangement who sets up during the construction, need not to carry out pile foundation construction earlier, because the pouring jacket does not receive the restriction of pile foundation, more be convenient for utilize the positioner to carry out the position adjustment to the pouring jacket, the pouring jacket positioning operation is simple and convenient, the efficiency of construction is high, simultaneously, utilize pile foundation guide sleeve to lead the pile foundation construction after the pouring jacket adjustment targets in place, be favorable to guaranteeing the accuracy of pile foundation construction;
2. the utility model provides an among the pouring jacket construction system, its pouring jacket box is formed by the split box concatenation, more convenient processing preparation, and different split boxes can adopt different materials to make, if the split box that is located the bottommost can regard as a part of basis under water, can pour the split box that is located the bottommost and the basis under water as an organic whole, at this moment, when demolising the pouring jacket, only need demolish the upper layer split box, more convenient construction;
3. the utility model provides an among the pouring jacket construction system, still set up the construction operation platform at the pouring jacket top, this construction operation platform is higher than the water line, and the drilling and the pouring construction of pile foundation all can be operated on this construction operation platform, and operating personnel need not to get into the pouring jacket and operates, even the pouring jacket lateral part is intake because of damaging, also can not directly harm operating personnel's life safety, greatly reduced the construction risk.
Drawings
Fig. 1 is a schematic structural diagram of a casing construction system according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic connection diagram of a first positioning element according to an embodiment of the present invention;
fig. 4 is a schematic connection diagram of a second positioning element according to an embodiment of the present invention;
fig. 5 is a schematic view of a connection between a pile position hole and a water stop member between pile foundations according to an embodiment of the present invention;
fig. 6 is a construction flow chart of the casing construction system provided by the embodiment of the present invention;
in the above figures: 1. sleeving a box; 11. a box body; 111. dividing the box body; 12. a pile foundation guide sleeve; 13. pile position holes; 2. a temporary support device; 21. temporarily supporting the piles; 22. a connecting plate; 3. a position adjusting device; 31. a first positioning member; 32. a second positioning member; 4. a construction work platform; 5. a water stop member; 6. a pile foundation; 7. a base groove; 8. an underwater foundation; 81. a bearing platform; 82. provided is a bridge pier.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "top", "bottom", "upper", "lower", "front", "rear", "left", "right", and the like indicate the positional relationship based on the positional relationship shown in fig. 1, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, the utility model provides a jacket construction system, which comprises a jacket 1, a temporary supporting device 2 for temporarily supporting the jacket 1, and a positioning device 3 for adjusting the relative position of the jacket 1 and the temporary supporting device 2; the sleeve box 1 comprises a box body 11, the top of the box body 11 is open, a bottom plate is arranged at the bottom of the box body 11, a pile foundation guide sleeve 12 for guiding pile foundation construction is arranged in the box body 11, the pile foundation guide sleeve 12 is arranged along the vertical direction, the bottom end of the pile foundation guide sleeve 12 is connected to the bottom plate, and a pile position hole 13 is formed in the bottom plate surrounded by the bottom end of the pile foundation guide sleeve 12; the temporary supporting device 2 comprises temporary supporting piles 21 distributed around the jacket 1, and the temporary supporting piles 21 are connected with connecting plates 22 for fixedly connecting the jacket 1; the positioning device 3 comprises a first positioning part 31 for adjusting the horizontal position of the jacket 1 and a second positioning part 32 for adjusting the vertical position of the jacket 1, and both the first positioning part 31 and the second positioning part 32 can be detachably connected between the box body 11 and the temporary support pile 21.
Above-mentioned pouring jacket construction system can sink earlier pouring jacket 1 when the construction to support stake 21 temporarily in 1 periphery installation of pouring jacket, install positioning device 3 between pouring jacket 1 and the stake 21 temporarily, utilize positioning device 3 to put 1 adjustment of pouring jacket in place the back, again with the connecting plate 22 fixed connection that the stake 21 of temporarily supporting is connected in pouring jacket 1, realize the temporary support to pouring jacket 1, later utilize pile foundation guide sleeve 12 to carry out the pile foundation construction as the direction of pile foundation 6. Above-mentioned pouring jacket construction system is when the construction, can support pouring jacket 1 temporarily through the interim strutting arrangement 2 that sets up, need not to carry out pile foundation construction earlier, because pouring jacket 1 does not receive pile foundation 6's restriction, more be convenient for utilize positioner 3 to carry out the position adjustment to pouring jacket 1, 1 positioning of pouring jacket easy operation is convenient, high construction efficiency, and simultaneously, utilize pile foundation guide sleeve 12 direction pile foundation construction after 1 adjustment of pouring jacket targets in place, be favorable to guaranteeing the accuracy of pile foundation construction.
In order to ensure the stable support of the jacket 1, as shown in fig. 2, at least four temporary support piles 21 are provided, and the temporary support piles 21 are distributed around the jacket 1 in a central symmetry manner. In this embodiment, eight temporary support piles 21 are specifically provided, eight temporary support piles 21 are centrosymmetrically distributed at four corners of the jacket 1, and two temporary support piles 21 are arranged on four side surfaces of the jacket 1, front, back, left and right. It is understood that other arrangements may be adopted by those skilled in the art to arrange the temporary support piles 21, as long as the supporting stability of the casing 1 is ensured and the positioning device 3 is conveniently arranged.
As shown in fig. 3, in this embodiment, the first positioning element 31 is a first jack that extends and retracts along the horizontal direction, and two ends of the first jack are detachably connected to the outer periphery of the temporary support pile 21 and the outer wall of the box body 11, respectively. The adjustment of the horizontal position of the sleeve box 1 can be realized by the extension and retraction of the first jack along the horizontal direction. It is understood that other positioning members may be adopted as the first positioning member 31 by those skilled in the art, as long as the adjustment of the horizontal position of the casing 1 can be realized.
As shown in fig. 4, in this embodiment, the second positioning member 32 is a second jack which extends and retracts in the vertical direction, the top end of the second jack is detachably connected to the outer wall of the box body 11, and the bottom end of the second jack is detachably connected to the outer periphery of the temporary support pile 21. The adjustment of the vertical position of the pouring jacket 1 can be realized through the extension and retraction of the second jack along the vertical direction. It will be appreciated that other positioning members may be used as the second positioning member 32 by those skilled in the art, as long as the adjustment of the vertical position of the casing 1 can be achieved.
As shown in fig. 1, in this embodiment, the box body 11 is formed by sequentially splicing a plurality of sub-box bodies 111 arranged from bottom to top, the sub-box body 111 located at the bottommost layer has a bottom plate, and the top and the bottom of the other sub-box bodies 111 except the sub-box body 111 at the bottommost layer are both open. The box body 11 formed by splicing the box body 111 is more convenient to process and manufacture, different box bodies 111 can be made of different materials, preferably, the box body 111 at the bottommost layer is made of concrete, and the other box bodies 111 except the box body 111 at the bottommost layer are made of steel. After setting up branch box 111 material like this, if the branch box 111 that is located the bottommost layer can regard as a part of basis 8 under water, then can pour branch box 111 that is located the bottommost layer as an organic whole with basis 8 under water, at this moment, when demolising pouring jacket 1, only need demolish upper strata branch box 111, the construction of being more convenient for. When the branch box bodies 111 are spliced, water stopping treatment needs to be performed at the joints, and the water stopping treatment mode can be a water stopping mode commonly used in the field, for example, a rubber water stopping belt is used.
In order to ensure a dry working environment in the casing 1, as shown in fig. 1, the top end of the pile guide sleeve 12 is preferably flush with the top surface of the casing 11, so that water can be effectively prevented from flowing into the casing 11 from the pile guide sleeve 12.
In order to facilitate water stopping between the pile position hole 13 and the pile foundation 6 after the pile foundation is constructed, as shown in fig. 5, the casing construction system preferably further includes a water stopping member 5 provided on a wall of the pile position hole 13. In the present embodiment, the water stop 5 is specifically a water bladder, but those skilled in the art may employ other water stop 5, for example, a slip-on water stop, or the like.
In order to reduce the construction risk, as shown in fig. 1, the construction system of the casing 1 preferably further includes a construction work platform 4 built on the top of the casing 1, and the construction work platform 4 is supported on the top ends of the casing 11 and the pile guide sleeve 12. In this embodiment, construction work platform 4 sets up at pouring jacket 1 top, and it is higher than the water line, and the drilling and the pouring construction of pile foundation 6 all can operate on this construction work platform 4, and operating personnel need not to get into and operate in the pouring jacket 1, even 1 lateral part of pouring jacket is because of damaging into water, can not directly harm operating personnel's life safety yet, greatly reduced the construction risk. It should be noted that, in order to perform pile foundation construction, the construction operation platform 4 is provided with construction equipment, and the construction equipment at least comprises drilling equipment and concrete pouring equipment so as to meet the construction requirements.
As shown in fig. 6, the construction method of the casing construction system includes the following steps:
s1: the pouring jacket 1 is sunk to the dug underwater foundation trench 7, and temporary supporting piles 21 are driven around the pouring jacket 1. In this step, it should be noted that when the jacket tank 1 is submerged, ballast water needs to be injected into the jacket tank 1 to overcome the buoyancy of the jacket tank 1; when the sleeve box 1 is sunk, the sleeve box 1 needs to be positioned, and the horizontal position of the sleeve box 1 is ensured to have no overlarge deviation as far as possible so as to reduce the positioning workload of the sleeve box 1.
S2: adjusting the buoyancy of the jacket box 1 to enable the jacket box to float upwards to the bottom plate to be separated from the foundation trench 7, connecting the first positioning piece 31 and the second positioning piece 32 between the box body 11 and the temporary support pile 21 respectively, adjusting the horizontal position and the vertical position of the jacket box 1 by using the first positioning piece 31 and the second positioning piece 32 respectively, and welding the connecting plate 22 on the temporary support pile 21 on the outer wall of the box body 11 after the jacket box 1 is adjusted in place. In this step, it should be noted that, in order to avoid the first positioning element 31 and the second positioning element 32 from colliding when adjusting the position of the jacket 1, the first positioning element 31 may be connected first to adjust the horizontal position of the jacket 1, and then the second positioning element 32 may be connected to adjust the vertical position of the jacket 1, and the first positioning element 31 may be removed after the second positioning element 32 is connected, so as to avoid affecting the adjustment of the second positioning element 32 on the position of the jacket 1. It should also be noted that the buoyancy adjustment of the jacket 1 can be achieved by adjusting the amount of water under pressure in the jacket 1.
S3: use pile foundation guide sleeve 12 to carry out pile foundation 6 construction in pile foundation guide sleeve 12 and pile position hole 13 as the location direction of pile foundation 6 to carry out the stagnant water between pile position hole 13 and pile foundation 6, demolish pile foundation guide sleeve 12 behind the stagnant water, and chisel the unnecessary part in pile foundation 6 upper portion. In this step, it should be noted that, before the construction of the pile foundation 6, the method further includes the step of setting up the construction work platform 4 on the top of the casing 1, and the pile foundation construction operation is performed on the construction work platform 4. In addition, the construction of the pile foundation is a conventional construction process in the field, and the specific construction method is not described herein.
S4: and (5) carrying out underwater foundation construction in the sleeve box 1, and dismantling the sleeve box 1 after the underwater foundation construction is finished. It should be noted that, the construction of the underwater foundation is a conventional construction process in the field, and includes at least two steps of steel bar binding and concrete pouring. If the pouring jacket 1 cannot be used as a part of the underwater foundation 8, before the underwater foundation 8 is poured, a template needs to be arranged on the inner wall of the pouring jacket 1 so as to separate the pouring jacket 1 from the underwater foundation 8 and facilitate the subsequent dismantling of the pouring jacket 1; if the box body 11 formed by splicing the sub-box bodies 111 is adopted, when the bottommost sub-box body 111 is made of concrete, the sub-box body can be used as a part of the underwater foundation 8, a template is not required to be arranged before the underwater foundation 8 is poured, when the underwater foundation construction is carried out in the pouring jacket 1, the underwater foundation 8 and the bottommost sub-box body 111 are poured into a whole, and after the underwater foundation construction is finished, the other sub-box bodies 111 except the bottommost sub-box body 111 are detached.
Claims (9)
1. Pouring jacket construction system, its characterized in that: the device comprises a sleeve box, a temporary supporting device and a positioning device, wherein the temporary supporting device is used for temporarily supporting the sleeve box; the sleeve box comprises a box body, the top of the box body is open, the bottom of the box body is provided with a bottom plate, a pile foundation guide sleeve is arranged in the box body and is arranged along the vertical direction, the bottom end of the pile foundation guide sleeve is connected to the bottom plate, and a pile position hole is formed in the bottom plate surrounded by the bottom end of the pile foundation guide sleeve; the temporary supporting device comprises temporary supporting piles distributed around the jacket box, and the temporary supporting piles are connected with connecting plates for fixedly connecting the jacket box; the position adjusting device comprises a first position adjusting part and a second position adjusting part, the first position adjusting part is used for adjusting the horizontal position of the sleeve box, the second position adjusting part is used for adjusting the vertical position of the sleeve box, and the first position adjusting part and the second position adjusting part can be detachably connected between the box body and the temporary support pile.
2. The encasement construction system of claim 1, wherein: the first positioning piece is a first jack which stretches out and draws back along the horizontal direction, and two ends of the first jack are detachably connected to the periphery of the temporary support pile and the outer wall of the box body respectively.
3. The encasement construction system of claim 1, wherein: the second positioning piece is a second jack stretching along the vertical direction, the top end of the second jack is detachably connected to the outer wall of the box body, and the bottom end of the second jack is detachably connected to the periphery of the temporary support pile.
4. The encasement construction system of claim 1, wherein: the box comprises a plurality of sub-boxes which are sequentially spliced from bottom to top, the sub-box which is positioned at the bottommost layer is provided with the bottom plate, and the tops and the bottoms of the other sub-boxes except the sub-box at the bottommost layer are both arranged in an open manner.
5. The encasement construction system of claim 4, wherein: the sub-box bodies positioned at the bottommost layer are made of concrete, and the rest sub-box bodies except the sub-box bodies at the bottommost layer are made of steel.
6. The encasement construction system of claim 1, wherein: the temporary support piles are at least four, and are distributed around the jacket box in a central symmetry manner.
7. The encasement construction system of claim 1, wherein: the sleeve construction system further comprises a water stop piece arranged on the wall of the pile position hole.
8. The encasement construction system of claim 1, wherein: the top end of the pile foundation guide sleeve is flush with the top surface of the box body.
9. The encasement construction system of claim 8, wherein: the pouring jacket construction system is characterized in that the pouring jacket construction system further comprises a construction operation platform arranged at the top of the pouring jacket, and the construction operation platform is supported on the top ends of the box body and the pile foundation guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722113.0U CN210066790U (en) | 2019-05-17 | 2019-05-17 | Box casing construction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722113.0U CN210066790U (en) | 2019-05-17 | 2019-05-17 | Box casing construction system |
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| CN210066790U true CN210066790U (en) | 2020-02-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004961A (en) * | 2019-05-17 | 2019-07-12 | 中交一航局第二工程有限公司 | Casing construction system and its construction method |
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- 2019-05-17 CN CN201920722113.0U patent/CN210066790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004961A (en) * | 2019-05-17 | 2019-07-12 | 中交一航局第二工程有限公司 | Casing construction system and its construction method |
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