CN212249179U - Basement outer wall single face formwork support system - Google Patents
Basement outer wall single face formwork support system Download PDFInfo
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- CN212249179U CN212249179U CN202020325240.XU CN202020325240U CN212249179U CN 212249179 U CN212249179 U CN 212249179U CN 202020325240 U CN202020325240 U CN 202020325240U CN 212249179 U CN212249179 U CN 212249179U
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Abstract
The utility model discloses a basement outer wall single-side formwork supporting system, which comprises a plurality of counter-pulling screw rods and steel pipe diagonal braces, wherein a steel bar-planting reinforcing steel bar is welded at one end of each counter-pulling screw rod, the other end of the steel bar-planting reinforcing steel bar is connected with the inner side of an underground supporting pile, one end of each steel pipe diagonal brace is fixedly connected with the side edge of the underground outer wall, the other end of each steel pipe diagonal brace is connected with the top end of a reinforcing steel bar ground anchor embedded in the inner side of a basement bottom plate, the outer side of the underground supporting pile is provided with a net hanging guniting, and the top of the basement bottom plate; the utility model discloses during well underground outer wall single face formwork construction, utilize the better slant steel pipe of rigidity to pass to the earth anchor with the horizontal lateral pressure that the outer wall transmitted, turn into the horizontal force to building ground pressure and to the shear force of earth anchor, utilize and plant muscle and outer wall concrete side on the fender pile and seed on to pulling screw rod and carry out the butt welding, consolidate the outer wall mould, whole safe firm, stability is good, takes place to explode the mould when having avoided concrete placement, rises the mould phenomenon.
Description
Technical Field
The utility model relates to a construction field specifically is a basement outer wall single face formwork support system.
Background
Along with the construction and development of cities, the transformation of old houses and the like, the land space of the cities for construction is gradually reduced, in order to save land, most of newly-built buildings are closely built by planning red lines, so that the distance between the basement outer wall of a high-rise building and the foundation pit enclosure is smaller and smaller, even no space exists, the enclosure wall serves as an outer template of the basement outer wall, and only an inner template of the outer wall is erected.
The design functions and the excavation depths of basements of high-rise buildings are different, so the storey heights and the wall thicknesses of the basements of the high-rise buildings are different, the heights and the thicknesses of the walls exceed the outer wall of the basement in conventional construction, the side pressure of a template is larger, the conventional construction method only adopts a steel pipe frame for supporting, the phenomena of mold explosion and mold expansion are easy to occur during concrete pouring, the traditional setting triangular steel frame is adopted for supporting, the triangular frame is customized and processed according to various factors such as the storey heights and the wall thicknesses of the basements at the beginning of engineering start, the manufacturing cost is higher, the turnover rate is not high, and the waste of resources is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a support system for a single-side formwork of a basement outer wall, which solves the following problems;
(1) the existing basement outer wall single-side formwork supporting body is large in lateral pressure borne by a formwork when the formwork is supported;
(2) the conventional construction method is easy to cause the conditions of mold explosion and mold expansion during construction;
(3) and the traditional triangular steel frame is adopted to support the turnover rate, so that the resource waste exists.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a basement outer wall single face formwork support system, including a plurality of root diagonal rods and steel pipe bracing, every one end of diagonal rods has all welded the bar planting reinforcing bar, and the other end of bar planting reinforcing bar is connected with the inboard of underground fender pile, the one end of steel pipe bracing and the side fixed connection of underground outer wall, the other end of steel pipe bracing is connected with the top of pre-buried reinforcing bar earth anchor in basement bottom plate inboard, the outside of underground fender pile is provided with the hanging net shotcrete, the top of basement bottom plate is provided with full hall frame.
Further, the thickness of the hanging net guniting is 100mm, and a plurality of groups of steel bar net sheets are arranged on the inner side of the hanging net guniting.
Furthermore, the number of the steel bar ground anchors embedded at the inner side of the basement bottom plate is two, and the distance between the two groups of steel bar ground anchors and the underground outer wall is 2m and 3m respectively.
Furthermore, the split screws are water stop screws, and the space between adjacent split screws is equal to the space between adjacent bar-embedded steel bars.
Furthermore, the top end of each group of steel bar ground anchors is connected with two steel pipe inclined struts, the included angle between each steel pipe inclined strut and the horizontal direction is 45-60 degrees, and the length of each steel pipe inclined strut is less than 2 m.
Further, the vertical spacing between the steel pipe bracing that is located the top and the reinforcing bar earth anchor is 900mm, and the vertical spacing of full hall frame is 900mm, and the outside of each steel pipe bracing is all fixed through the steel wire ligature with the outside of full hall frame.
A construction method of a basement exterior wall single-side formwork support system specifically comprises the following steps:
the method comprises the following steps: firstly, implanting steel bar planting reinforcements on the inner side of a support pile, equidistantly arranging reinforcement meshes on the surface of the support pile, then carrying out guniting operation, hanging meshes on the surface of the support pile, guniting, and then building a brick moulding bed from bottom to top to form an outer template of the underground outer wall;
step two: before pouring the basement bottom plate, firstly, embedding two groups of steel bar ground anchors in the middle of the inner side of the basement bottom plate to serve as support pads of the steel pipe inclined struts, pouring the upper part of the basement bottom plate when the basement outer wall turns upwards to 300mm, turning out the upper part of the basement bottom plate to serve as a construction joint on the underground outer wall, and embedding a water stop steel plate;
step three: welding and fixing one end of a counter-pull screw rod and one end of a steel bar embedded steel bar, binding the steel bar on the outer side of the underground outer wall, penetrating one end of the counter-pull screw rod through a brick bed film on the inner side of the outer wall after the steel bar binding operation is finished, and then screwing a bolt on the outer side of the counter-pull screw rod;
step four: set up inboard template in the inboard of underground outer wall, push up the one end of steel pipe bracing on the inboard template of underground outer wall, the other end of steel pipe bracing is connected with pre-buried reinforcing bar earth anchor in basement bottom plate inboard, and two steel pipe bracing are connected respectively to every reinforcing bar earth anchor, and it is whole to be connected into the support with steel pipe bracing and the full hall frame of basement through the steel wire ligature at last, carries out concrete placement operation at last, accomplishes whole construction steps.
The utility model has the advantages that: the utility model discloses a setting up the steel pipe bracing and setting up between underground outer wall and reinforcing bar earth anchor, utilize the supporting role of steel pipe bracing, after the basement bottom plate is pour and is accomplished, conduct the lateral pressure that the underground outer wall transmitted to on the reinforcing bar earth anchor, turn into the horizontal force to the pressure of basement bottom plate upstairs, and to reinforcing bar earth anchor shear force, the effectual atress size that reduces basement outer wall formwork, play better guard action;
the embedded steel bars and the counter-pulling screws are welded and fixed, so that the template arranged on the outer side of the underground outer wall is effectively reinforced, and the suspended net guniting and the brick bed film building are matched to form the inner side template of the underground outer wall, so that the safety and firmness of the underground outer wall template after being erected are improved, the stability of the underground outer wall after being erected is good, the phenomena of mold explosion and mold expansion during concrete pouring are avoided, and the forming quality of concrete poured on the outer side of the underground outer wall is ensured;
the steel pipe inclined strut and the full frame binding fixed seat support are integrally adopted, so that materials can be recycled, and the whole construction process has good economic benefits.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is an elevation view of the single-side formwork supporting system for the basement exterior wall of the present invention;
figure 2 is the utility model relates to a top view of underground outer wall among basement outer wall single face formwork support system.
In the figure: 1. an underground exterior wall; 2. oppositely pulling the screw rod; 3. planting reinforcing steel bars; 4. steel pipe diagonal bracing; 5. a steel bar ground anchor; 6. supporting piles; 7. filling the hall shelf; 8. a basement floor; 9. hanging a net and spraying slurry; 10. a brick moulding bed; 11. and (7) a water stop steel plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1-2, a basement exterior wall single-side formwork support system comprises a plurality of counter-pulling screws 2 and steel pipe struts 4, wherein one end of each counter-pulling screw 2 is welded with a steel bar 3, the other end of the steel bar 3 is connected with the inner side of an underground support pile 6, one end of each steel pipe strut 4 is fixedly connected with the side of the underground exterior wall 1, the other end of each steel pipe strut 4 is connected with the top end of a steel bar ground anchor 5 embedded in the inner side of a basement bottom plate 8, the outer side of the underground support pile 6 is provided with a mesh-hanging guniting 9, the top of the basement bottom plate 8 is provided with a full-framing 7, and after the full-framing 7 is bound and fixed with the steel pipe struts 4, a complete support system is formed, and the lateral formwork of the underground exterior wall 1 is supported.
The thickness of hanging net whitewashing 9 is 100mm, and the inboard of hanging net whitewashing 9 is provided with a plurality of groups reinforcing bar net piece, sets up the cooperation of steelframe net piece and hangs net whitewashing 9 and form the inboard template of underground outer wall 1, and the effectual inboard to underground outer wall 1 protects.
The number of the steel bar ground anchors 5 pre-buried at the inner side of the basement bottom plate 8 is two groups, and the distance between the two groups of the steel bar ground anchors 5 and the underground outer wall 1 is 2m and 3m respectively.
The oppositely-pulling screw rods 2 are stop water screw rods, and the space between the adjacent oppositely-pulling screw rods 2 is equal to the space between the adjacent embedded steel bars 3.
Two steel pipe bracing 4 are all connected to every group reinforcing bar earth anchor 5's top, and the contained angle of steel pipe bracing 4 and horizontal direction is between 45-60, and the length of steel pipe bracing 4 is less than 2m, and steel pipe bracing 4 sets to the incline direction, plays the effect of dynamics conduction, conducts the lateral dynamics that the formwork received to 1 side of underground outer wall, reduces the atress condition of side formwork, and the effectual template of establishing to 1 side of underground outer wall protects.
The vertical spacing between the steel pipe bracing 4 and the steel bar ground anchor 5 which are positioned at the top is 900mm, the longitudinal spacing of the full hall frame 7 is 900mm, and the outer side of each steel pipe bracing 4 is fixed with the outer side of the full hall frame 7 through steel wire binding.
A basement exterior wall single-side formwork supporting system is characterized in that during construction, firstly, steel bar planting steel bars 3 are implanted into the inner sides of supporting piles 6, steel bar net sheets are arranged on the surfaces of the supporting piles 6 at equal intervals, then, guniting operation is carried out, net hanging guniting 9 is carried out on the surfaces of the supporting piles 6, then, brick moulding beds 10 are built from bottom to top to form an outer side formwork of an underground exterior wall 1, before a basement bottom plate 8 is poured, two groups of steel bar ground anchors 5 are pre-buried in the inner sides of the basement bottom plate 8 to serve as supporting pads of steel pipe inclined struts 4, when the basement exterior wall is turned over to 300mm upwards, pouring is carried out above the basement bottom plate 8, one ends of opposite pulling screw rods 2 are fixedly welded with one ends of the steel bar planting steel bars 3, steel bar binding is carried out on the outer side of the underground exterior wall 1, after the steel bar binding operation is finished, the inboard brick fetal membrane 10 of outer wall is passed to the one end of will drawing screw rod 2, the bolt that will draw the screw rod 2 outside afterwards is screwed up, set up inboard template in the inboard of secret outer wall 1, push up the one end of steel pipe bracing 4 on the inboard template of secret outer wall 1, the other end of steel pipe bracing 4 is connected with pre-buried reinforcing bar ground anchor 5 at basement bottom plate 8 inboard, two steel pipe bracing 4 are connected respectively to every reinforcing bar ground anchor 5, connect into the whole support with steel pipe bracing 4 and full hall frame 7 of basement through the steel wire ligature at last, carry out concrete placement operation at last, accomplish whole construction steps.
The utility model discloses a setting up steel pipe bracing 4 and setting up between underground outer wall 1 and reinforcing bar earth anchor 5, utilize the supporting role of steel pipe bracing 4, after basement bottom plate 8 is pour and is accomplished, conduct the lateral pressure that underground outer wall 1 transmitted to on reinforcing bar earth anchor 5, turn into the horizontal force to the pressure of basement bottom plate 8 upstairs floor, and to reinforcing bar earth anchor 5 shear force, the atress size of basement outer wall formwork is effectively reduced, play better guard action; the embedded steel bars 3 and the counter-pulling screw rods 2 are welded and fixed, so that the template arranged on the outer side of the underground outer wall 1 is effectively reinforced, and the suspended net guniting 9 and the brick bed film 10 are matched to build the inner side template of the underground outer wall 1, so that the safety and firmness of the template of the underground outer wall 1 after being erected are improved, the stability of the underground outer wall 1 after being erected is good, the phenomena of mold burst and mold expansion during concrete pouring are avoided, and the forming quality of concrete poured on the outer side of the underground outer wall 1 is ensured; the steel pipe inclined strut 4 and the full frame 7 are bound to fix the seat support integrally, so that materials can be recycled, and the whole construction process has good economic benefits.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a basement outer wall single face formwork support system, a serial communication port, including a plurality of root diagonal rods (2) and steel pipe bracing (4), every one end of diagonal rods (2) all welds bar planting reinforcing bar (3), and the other end of bar planting reinforcing bar (3) is connected with the inboard of underground fender pile (6), the one end of steel pipe bracing (4) and the side fixed connection of underground outer wall (1), the other end of steel pipe bracing (4) is connected with the top of pre-buried reinforcing bar earth anchor (5) in basement bottom plate (8) inboard, the outside of underground fender pile (6) is provided with hangs net whitewashing (9), the top of basement bottom plate (8) is provided with full hall frame (7).
2. The basement exterior wall single-face formwork support system according to claim 1, wherein the thickness of the net-hanging guniting (9) is 100mm, and a plurality of groups of reinforcing mesh sheets are arranged on the inner side of the net-hanging guniting (9).
3. The basement outer wall single-side formwork support system according to claim 1, wherein the number of the reinforcing steel bar ground anchors (5) pre-embedded on the inner side of the basement bottom plate (8) is two, and the distance between the two groups of reinforcing steel bar ground anchors (5) and the underground outer wall (1) is 2m and 3m respectively.
4. The basement exterior wall single-face formwork support system according to claim 1, wherein the counter-pulling screws (2) are stop screws, and the distance between adjacent counter-pulling screws (2) is equal to the distance between adjacent steel bar planting reinforcements (3).
5. The basement outer wall single-side formwork support system according to claim 1, wherein the top end of each group of steel bar ground anchors (5) is connected with two steel pipe inclined struts (4), the included angle between each steel pipe inclined strut (4) and the horizontal direction is 45-60 degrees, and the length of each steel pipe inclined strut (4) is less than 2 m.
6. The single-face formwork supporting system for the basement exterior wall as claimed in claim 1, wherein the vertical distance between the uppermost steel pipe diagonal brace (4) and the steel bar ground anchor (5) is 900mm, the longitudinal distance between the full framing (7) is 900mm, and the outer side of each steel pipe diagonal brace (4) is bound and fixed with the outer side of the full framing (7) through steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020325240.XU CN212249179U (en) | 2020-03-16 | 2020-03-16 | Basement outer wall single face formwork support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020325240.XU CN212249179U (en) | 2020-03-16 | 2020-03-16 | Basement outer wall single face formwork support system |
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| Publication Number | Publication Date |
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| CN212249179U true CN212249179U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020325240.XU Expired - Fee Related CN212249179U (en) | 2020-03-16 | 2020-03-16 | Basement outer wall single face formwork support system |
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| Country | Link |
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| CN (1) | CN212249179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395745A (en) * | 2020-03-16 | 2020-07-10 | 中国建筑第四工程局有限公司 | Basement outer wall single-face formwork supporting system and construction method thereof |
| CN113944262A (en) * | 2021-10-21 | 2022-01-18 | 武汉建工集团股份有限公司 | Construction method for foundation-pillar-free deep foundation pit and outer wall integrated structure |
-
2020
- 2020-03-16 CN CN202020325240.XU patent/CN212249179U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395745A (en) * | 2020-03-16 | 2020-07-10 | 中国建筑第四工程局有限公司 | Basement outer wall single-face formwork supporting system and construction method thereof |
| CN113944262A (en) * | 2021-10-21 | 2022-01-18 | 武汉建工集团股份有限公司 | Construction method for foundation-pillar-free deep foundation pit and outer wall integrated structure |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 5 / F, building B, No.16 Keyun Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: CHINA CONSTRUCTION FOURTH ENGINEERING DIVISION CORP.,LTD. Patentee after: No 6 Construction Co.,Ltd. of China Construction Fourth Engineering Bureau Address before: 5 / F, building B, No. 16, Keyun Road, Tianhe District, Guangzhou City, Guangdong Province 510000 Patentee before: CHINA CONSTRUCTION FOURTH ENGINEERING DIVISION CORP.,LTD. Patentee before: CHINA CONSTRUCTION 4TH ENGINEERING BUREAU, 6TH Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |