CN217679130U - LNG storage tank underground structure positioner - Google Patents
LNG storage tank underground structure positioner Download PDFInfo
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- CN217679130U CN217679130U CN202221192707.3U CN202221192707U CN217679130U CN 217679130 U CN217679130 U CN 217679130U CN 202221192707 U CN202221192707 U CN 202221192707U CN 217679130 U CN217679130 U CN 217679130U
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Abstract
The utility model discloses a LNG storage tank underground structure positioner, it leads the wall external mold and sets up in two including relative two that set up lead a plurality of interlock stake template units between the wall external mold, interlock stake template unit is including setting up respectively in two lead two arc metal external molds on the inner wall of wall external mold and connect two the support frame unit of arc metal external mold, adjacent two in a plurality of interlock stake template units the arc metal external mold is fixed through the mode that welding or segmentation were pour. The utility model discloses can strengthen whole supporting effect with the supporting role of support frame unit through the laminating setting of arc metal external mold to avoid the side position skew of concrete placement process, in addition, because two adjacent arc metal external molds are fixed through the mode that welding or segmentation were pour, it can also avoid pouring back infiltration water and the condition of intensity hidden danger appears.
Description
Technical Field
The utility model relates to a storage tank civil engineering technical field especially relates to a LNG storage tank underground structure positioner.
Background
The construction of large-scale LNG (liquefied natural gas) storage tanks mostly adopts high bearing platform cast-in-place piles as bearing platform foundations to ensure that the high bearing platform cast-in-place piles can meet the bearing requirements of the storage tanks, and semi-underground storage tanks need to excavate foundation pits to bearing rock stratums to meet the performance requirements of structures, so that the construction period and the cost are greatly saved.
The secant pile supporting structure in the bearing platform foundation ensures the water stop function when the underground water level is higher through the secant action of the spaced construction concrete (vegetable pile) and the reinforced concrete (meat pile), and simultaneously can effectively ensure the enclosure structure in the foundation pit so as to reduce the cost of the scheme of the underground continuous wall.
The occlusion amount of the occlusion pile belongs to the key point to be grasped in the construction process, determines the combination performance of the meat and vegetable piles after concrete pouring is finished, reduces the error of orifice positioning, and is a problem to be overcome urgently. At present, secant pile supporting construction's positioner often is to square foundation ditch, has not considered arc supporting construction, and this has leaded to secant pile template to support the effect poor, has the side position skew of concrete placement process, and especially template concatenation department does not have fixedly, has more to hide the percolating water and the hidden danger point of intensity after pouring.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to provide a LNG storage tank underground structure positioner to it is poor to solve current secant pile supporting construction's positioner supporting effect, has the side position skew of concrete placement process, and pours the problem that the back leaks water easily and appears the intensity hidden danger.
In order to solve the technical problem, the utility model provides a LNG storage tank underground structure positioner, it leads the wall external mold and sets up in two including relative two that set up lead a plurality of interlock stake template units between the wall external mold, interlock stake template unit is including setting up respectively in two lead two arc metal external molds on the inner wall of wall external mold and connect two the support frame unit of arc metal external mold, adjacent two in a plurality of interlock stake template units the arc metal external mold is fixed through the mode of welding or segmentation pouring.
Furthermore, the support frame unit is including connecting two the Z type side pipe support with one side of arc metal external mold, Z type side pipe support is two and sets up two respectively the both sides of arc metal external mold, the support frame unit is still including connecting two the pole setting of Z type side pipe support.
Furthermore, Z type side's pipe support is including connecting the horizontal pole at the same side both ends of arc metal external mold, the horizontal pole is two and sets up respectively in two on the arc metal external mold, connect two the horizontal pole and with two the horizontal pole cooperation forms the down tube of Z type structure, the central point of down tube is provided with the locating pin, two are connected to the pole setting in the Z type side pipe support with the horizontal pole of one side.
Furthermore, a first limiting plate is arranged on the cross rod, a first limiting hole is formed in the position, corresponding to the first limiting plate, of the inclined rod, and the inclined rod and the first limiting hole in the first limiting plate are fixed through a first bolt.
Furthermore, the cross bar and the arc-shaped metal outer die are fixed in a welding mode.
Furthermore, the upright bars and the cross bars are fixed in a welding mode.
Furthermore, the Z-shaped square pipe frame further comprises a fixing rod which is connected with the same end of the two cross rods.
Furthermore, a second limiting plate is arranged on the cross rod, a second limiting hole is formed in the position, corresponding to the second limiting plate, of the fixing rod, and the fixing rod and the second limiting hole in the second limiting plate are fixed through a second bolt.
The technical effects of the utility model reside in that: through set up a plurality of secant pile template units between two guide wall external molds, and secant pile template unit is including setting up two arc metal external molds and the support frame unit of connecting two arc metal external molds on the inner wall of two guide wall external molds respectively, simultaneously, two adjacent arc metal external molds are fixed through the mode of welding or segmentation pouring among a plurality of secant pile template units, positioner can set up the supporting role with the support frame unit through the laminating of arc metal external mold like this and strengthen whole supporting effect, and avoid the side position skew of concrete placement process, in addition, because two adjacent arc metal external molds are fixed through the mode of welding or segmentation pouring, it can also avoid pouring the condition of back infiltration water and appearing the intensity hidden danger.
Drawings
Fig. 1 is the embodiment of the utility model provides a LNG storage tank underground structure supporting construction positioner's overall structure plan view.
Fig. 2 is a top view of a single secant pile template unit in LNG storage tank supporting structure positioner that the embodiment of the utility model provides.
Fig. 3 is a side view of secant pile template unit in LNG storage tank underground structure positioner that the embodiment of the utility model provides.
Wherein, 1, a guide wall external mold; 2. a bite pile template unit; 3. an arc metal outer mold; 4. a Z-shaped square pipe frame; 5. erecting a rod; 6. a cross bar; 7. a diagonal bar; 8. positioning pins; 9. a first limit plate; 10. a first bolt; 11. a fixing rod; 12. a second limiting plate; 13. and a second bolt.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
The embodiment of the utility model provides a LNG storage tank underground structure positioner combines figure 1 to figure 3 to show, lead wall external mold 1 and set up in two and lead a plurality of secant pile template units 2 between wall external mold 1 including relative two that set up.
Specifically, the guide wall outer die 1 determines the distance from the occlusive pile according to a drawing and an actual condition, and is erected in a template mode. The guide wall external mold 1 is made of a 10mm wooden template, a steel bar framework is erected on the inner side wall of the guide wall external mold, and a steel bar supporting template is selected on the outer side wall of the guide wall external mold.
Specifically, the secant pile template unit 2 comprises two arc-shaped metal outer molds 3 respectively arranged on the inner walls of the two guide wall outer molds 1 and a support frame unit connected with the two arc-shaped metal outer molds 3, and two adjacent arc-shaped metal outer molds 3 in the plurality of secant pile template units 2 are fixed in a welding or segmented casting mode.
The two adjacent arc-shaped metal outer dies 3 can be fixed in a limiting splicing mode through bolts.
In this embodiment, the support frame unit includes two Z-shaped square pipe frames 4,Z that connect the same sides of the two arc-shaped metal external molds 3 and respectively set up two sides of the two arc-shaped metal external molds 3, and the support frame unit further includes vertical rods 5 that connect the two Z-shaped square pipe frames 4.
Wherein, Z type square pipe support 4 is two and sets up the both sides of two arc metal external molds 3 respectively, and is equivalent to, two Z type square pipe supports 4 set up respectively in the upside and the downside of two arc metal external molds 3.
In this embodiment, Z type side pipe frame 4 is including connecting arc metal external mold 3 with the horizontal pole 6 at both ends of one side, and horizontal pole 6 is two and sets up respectively on two arc metal external molds 3, connects two horizontal poles 6 and forms the down tube 7 of Z type structure with two horizontal poles 6 cooperations, and the central point of down tube 7 is provided with locating pin 8, and the pole setting 5 is connected two Z type side pipe frame 4 in with horizontal pole 6 of one side.
The two cross rods 6 are respectively arranged on the two arc-shaped metal outer dies 3, and equivalently, one cross rod 6 is connected with two ends of the upper side (or the lower side) of one arc-shaped metal outer die 3, and the other cross rod 6 is connected with two ends of the upper side (or the lower side) of the other arc-shaped metal outer die 3. The diagonal rod 7 is connected with the two cross rods 6 and matched with the two cross rods 6 to form a Z-shaped structure, equivalently, one end of the diagonal rod 7 is connected with the first end of one cross rod 6, the other end of the diagonal rod is connected with the second end of the other cross rod 6, and the first end and the second end are respectively arranged at the two ends of the cross rod 6.
In this embodiment, the cross rod 6 is provided with a first limiting plate 9, the inclined rod 7 is provided with a first limiting hole at a position corresponding to the first limiting plate 9, and the inclined rod 7 is fixed with the first limiting hole of the first limiting plate 9 through a first bolt 10.
Wherein, the down tube 7 is fixed on the cross rod 6 through the first bolt 10, and the fixing mode can be conveniently disassembled and assembled to realize on-site assembly and repeated application.
In the embodiment, the cross rod 6 and the arc-shaped metal outer die 3 are fixed in a welding mode; the upright rods 5 and the cross rods 6 are fixed in a welding mode. Therefore, the supporting strength can be improved, and the unstable connection phenomenon is avoided.
In this embodiment, the Z-shaped square pipe frame 4 further includes a fixing rod 11 connecting the same ends of the two cross rods 6. Therefore, the supporting strength can be enhanced, and the problem of insufficient supporting strength is avoided.
In this embodiment, a second limiting plate 12 is disposed on the cross bar 6, a second limiting hole is disposed at a position of the fixing rod 11 corresponding to the second limiting plate 12, and the fixing rod 11 and the second limiting hole of the second limiting plate 12 are fixed by a second bolt 13.
Wherein, dead lever 11 is fixed in on the horizontal pole 6 through second bolt 13, and this kind of fixed mode can conveniently carry out the dismouting to realize on-the-spot equipment and used repeatedly.
When the positioning device for the LNG storage tank foundation pit supporting structure is constructed, a field technician checks coordinates according to a design drawing and sequentially releases the coordinates, marks the inner radius and the outer radius of the occlusive pile template unit 2 and the center point of the occlusive pile position coordinate, and fixes the inclined rod 7 and the fixed rod 11 by using the limiting plates (the first limiting plate 9 and the second limiting plate 12) and the bolts (the first bolt 10 and the second bolt 13) after the arc-shaped metal outer mold 3 is positioned to an approximate position. The center of the diagonal rod 7 is perforated, a positioning pin 8 is inserted according to a reserved pile position mark in advance, the depth of the penetration is 20-30cm, and the stability of the secant pile template unit 2 is guaranteed.
In order to ensure convenient construction, the arc-shaped metal external mold 3 generally selects 2 meat and 2 concrete as a template unit, the support frame unit mainly comprises a Z-shaped square pipe frame 4, and the Z-shaped square pipe frame 4 between the upper side and the lower side of each arc-shaped metal external mold 3 is provided with a vertical rod 5 for auxiliary fixation. In order to realize multi-section combined pouring, two ends of two adjacent arc metal outer molds 3 in the plurality of secant pile mold plate units 2 are respectively provided with corresponding limiting plates and through holes, and are fastened through bolts so as to adjust the seam clearance. And in order to reduce the error of the joint, the arc-shaped metal outer die 3 in the cast-in-place pile template unit 2 is kept to be mechanically connected with the post-cast section.
And after the secant pile template unit 2 is fixed, paving reinforcing steel bars inside the guide wall, well controlling the thickness of the protective layer, finally fixing the guide wall external mold 1, selecting a wooden template which can ensure the reutilization, inserting the reinforcing steel bars at intervals of 50cm, and burying the reinforcing steel bars 20-30cm into the soil to be used as the guide wall external mold 1 for fixing. The pouring structure area of the guide wall external mold 1 is large, the pouring can be generally carried out for several times, concrete curing needs to be noticed after pouring, and the construction of the foundation pit secant pile supporting structure can be carried out after the design strength is improved.
Through secant pile template unit 2 and guide wall external mold 1, constructor can form meat and vegetable secant shape with the metal template, makes things convenient for supporting construction stake point coordinate to confirm, and the support frame unit can stabilize the whole through its structure, effectively reduces the impact in the mechanical operation, promotes positioning accuracy. Wherein each part only needs constructor to assemble and fix a position, and whole structure conveniently carries repeatedly usable and finishes to leading wall construction operation, has greatly reduced construction cost.
This embodiment is through setting up a plurality of secant pile template unit 2 between two wall external mold 1 of leading, and secant pile template unit 2 is including setting up two arc metal external molds 3 on two inner walls of leading wall external mold 1 respectively and the support frame unit of connecting two arc metal external molds 3, and simultaneously, two adjacent arc metal external molds 3 are fixed through the mode of welding or segmentation pouring in a plurality of secant pile template unit 2, positioner can set up the supporting effect with the supporting role of support frame unit through the laminating of arc metal external mold 3 like this, and avoid the side position skew of concrete placement process, in addition, because two adjacent arc metal external molds 3 are fixed through the mode of welding or segmentation pouring, it can also avoid pouring the back infiltration water and the condition that appears the intensity hidden danger.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The utility model provides a LNG storage tank underground structure positioner which characterized in that: the pile comprises two opposite guide wall outer dies and a plurality of secant pile die plate units arranged between the two guide wall outer dies, wherein each secant pile die plate unit comprises two arc-shaped metal outer dies arranged on the inner walls of the two guide wall outer dies and a support frame unit connected with the two arc-shaped metal outer dies, and the adjacent two arc-shaped metal outer dies in the plurality of secant pile die plate units are fixed in a welding or segmented pouring mode.
2. The LNG storage tank foundation pit supporting structure positioner of claim 1, characterized in that: the support frame unit is including connecting two the Z type side pipe support with one side of arc metal external mold, Z type side pipe support is two and sets up two respectively the both sides of arc metal external mold, the support frame unit is still including connecting two the pole setting of Z type side pipe support.
3. The LNG storage tank foundation pit supporting structure positioner of claim 2, characterized in that: z type side pipe support is including connecting the arc metal external mold with the horizontal pole at both ends of one side, the horizontal pole is two and sets up respectively in two on the arc metal external mold, connect two the horizontal pole and with two the horizontal pole cooperation forms the down tube of Z type structure, the central point of down tube is provided with the locating pin, two is connected in the pole setting the horizontal pole with one side in the Z type side pipe support.
4. The LNG storage tank foundation pit supporting structure positioner of claim 3, characterized in that: the cross rod is provided with a first limiting plate, a first limiting hole is formed in the position, corresponding to the first limiting plate, of the inclined rod, and the inclined rod and the first limiting hole in the first limiting plate are fixed through a first bolt.
5. The LNG storage tank foundation pit supporting structure positioner of claim 3, characterized in that: the cross bar and the arc-shaped metal outer die are fixed in a welding mode.
6. The LNG storage tank foundation pit supporting structure positioner of claim 3, characterized in that: the upright rods and the cross rods are fixed in a welding mode.
7. The LNG storage tank foundation pit supporting structure positioner of claim 3, characterized in that: the Z-shaped square pipe frame further comprises a fixing rod which is connected with the two cross rods and is arranged at the same end of each cross rod.
8. The LNG storage tank foundation pit supporting structure positioner of claim 7, characterized in that: the cross rod is provided with a second limiting plate, a second limiting hole is formed in the position, corresponding to the second limiting plate, of the fixing rod, and the fixing rod and the second limiting hole in the second limiting plate are fixed through a second bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221192707.3U CN217679130U (en) | 2022-05-17 | 2022-05-17 | LNG storage tank underground structure positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221192707.3U CN217679130U (en) | 2022-05-17 | 2022-05-17 | LNG storage tank underground structure positioner |
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| Publication Number | Publication Date |
|---|---|
| CN217679130U true CN217679130U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221192707.3U Active CN217679130U (en) | 2022-05-17 | 2022-05-17 | LNG storage tank underground structure positioner |
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| Country | Link |
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| CN (1) | CN217679130U (en) |
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- 2022-05-17 CN CN202221192707.3U patent/CN217679130U/en active Active
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