CN213477808U - Structure is found fast to steel construction underground garage - Google Patents
Structure is found fast to steel construction underground garage Download PDFInfo
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- CN213477808U CN213477808U CN202021446123.5U CN202021446123U CN213477808U CN 213477808 U CN213477808 U CN 213477808U CN 202021446123 U CN202021446123 U CN 202021446123U CN 213477808 U CN213477808 U CN 213477808U
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Abstract
The utility model provides a structure is found fast to steel construction underground garage, sink the steel caisson component with steel angle post and continuous arrangement and constitute underground garage outer wall, excavate the outer wall with the operation mode of taking water and enclose the interior earthwork that closes the within range, pour the concrete back cover under water, the reinforced concrete bottom plate of rebuilding, found steel construction garage, the vertical drainage steel pipe that has buried underground in the back cover concrete, drainage steel pipe upper end is sealed has the flange, pre-buried steel casing pipe in the caisson component, utilize the steel casing pipe to beat and establish the level to taking the fluted hole steel pipe, through steel pipe slip casting, form the steel pipe concrete clitellum outside the steel casing, with this anti superficial requirement of satisfying underground garage. The construction influence of small-size caisson components is small, and the outer wall of the underground garage is directly formed; the earthwork and the underwater concrete bottom sealing are excavated in a water-carrying operation mode, so that the influence of the excavation process on the surrounding environment is minimized, and the safety of a well body structure is ensured. The utility model discloses make the structure of underground garage safer, high-efficient, economy.
Description
Technical Field
The utility model relates to an underground works and steel construction stereo garage, concretely relates to structure is found fast to steel construction underground garage.
Background
The problem of difficulty in parking can be effectively solved in the urban underground parking garage. The construction of underground works can be carried out in only two ways: firstly, supporting and excavating a deep foundation pit, and then building a required structural body in the deep foundation pit; the other is the open caisson type, namely, the shell of the underground structure body is firstly built and sunk, and then the rest part of the underground structure is built in the shell.
Based on the geotechnical engineering theory, the supporting structure which is arranged for excavating the foundation pit must have enough strength, rigidity and length, the common method is that the reinforced concrete cast-in-place pile, the underground continuous wall and a plurality of supports are combined, and the supporting method has obvious defects: long construction time, slow maintenance, high cost, difficult treatment when the pile meets underground obstacles, geometric progression increase of cost along with the increase of the depth of the foundation pit, and the like.
The open caisson is a construction process for building deep foundation pit and underground structure. During construction, an open underground structure outer structure is firstly manufactured on the ground or in a foundation trench, after the structure reaches the specified strength, the soil is dug in a well body in a layering mode, the well body overcomes the frictional resistance and the blade counterforce with the soil wall under the assistance of dead weight or other measures, sinks continuously, and the bottom is sealed after the height reaches the designed elevation.
The open caisson can be used for constructing deeper underground engineering (up to 50 meters) under the condition of narrow field and can be used for constructing in areas with complex geological and hydrological conditions. The method has the defects of more construction procedures, high technical requirement and difficult quality control, particularly under the condition of a deep soft soil foundation, the open caisson is easy to sink suddenly in the sinking process due to the characteristics of poor foundation bearing capacity, small friction coefficient and the like, the sinking speed, direction and sinking design elevation are very difficult to control, and the peripheral environment is easy to damage after long-time construction, and the defects are difficult to solve by the prior art. In addition, the open caisson mainly depends on the larger rigidity of the open caisson to ensure the integrity of the construction process, and the larger weight of the open caisson inevitably causes the construction difficulty and the waste of materials.
In actual engineering, most of open caissons adopt reinforced concrete structures, and have the following defects: 1. the dead weight of the open caisson cannot be changed in the sinking process. Once the reinforced concrete open caisson is poured, the weight is basically stable, and the resistance of the open caisson in the sinking process is changed, so that the sinking stability is difficult to control; 2. The construction period is long. The reinforced concrete open caisson is generally constructed in a layered mode and sinks in a layered mode, and after concrete is poured, the open caisson needs to wait for the section of the open caisson to reach the design strength, so that the construction period of the reinforced concrete open caisson is long, and the influence on the road or the surrounding environment is long.
For urban areas with complex surrounding environment and more dangerous sources, the risk of constructing an underground garage is far greater than that of a supporting pile with the cross section size of less than one meter in construction by adopting a sunk well mode with the plane size of more than ten meters, particularly a reinforced concrete sunk well mode. The method has the advantages that the support pile has small size and risk, the defects of the deep foundation pit support are avoided, the support pile has poor quality, a permanent structure side wall must be constructed secondarily, and the support pile is overlong and wasted; the advantage of utilizing open caisson technology- -can excavate under water, underwater concrete back cover (can not consider underwater operation when not having groundwater puzzlement), ensure that the unearthed adverse effect to the surrounding environment is minimum, avoid the shortcoming of open caisson technology- -the accurate control of open caisson self is difficult and control is not good to the adverse effect of surrounding environment, is the utility model discloses a starting point.
The specific idea is as follows: and forming an outer wall of an underground structure by using continuous steel caissons, excavating earthwork in a well body range enclosed by the steel caissons in a water-carrying operation mode, pouring underwater concrete for bottom sealing, and then constructing a reinforced concrete bottom plate to construct a steel structure garage.
Obviously, similar to a steel caisson (rectangle) of a reinforced concrete support pile (round), the steel caisson can be used as a small-size member with small construction influence on one hand, and can be directly used as an outer wall of an underground structure on the other hand; the earthwork in the range of the well chamber formed by enclosing is excavated in a water-carrying operation mode, so that the pressure balance inside and outside the well chamber is kept, and the minimum influence and the minimum risk on the surrounding environment in the excavation process are ensured; the underwater concrete bottom sealing not only provides the dry operation condition in the well chamber, but also ensures the stability of the soil body at the bottom of the well and the safety of the well body structure; and a reinforced concrete bottom plate is poured, and then a steel structure garage is constructed on the floor, so that the garage is constructed more quickly, safely and economically.
The underground structure must pay attention to the anti-floating of the underground garage, and the anti-floating of the underground garage with the larger scale is more critical. The existing anti-floating measures usually adopt weight pressing and anti-pulling piles or anti-pulling anchor rods. The construction period for driving the uplift pile is long and the working procedures are multiple; the traditional uplift anchor rod is vertically arranged, and the uplift force is small. The utility model provides an anti anchor that floats of level, the pre-buried steel casing pipe in the steel caisson that corresponds promptly in reinforced concrete bottom plate thickness utilizes the steel casing pipe to beat the steel pipe of establishing the horizontally area fried dough twist hole, through steel pipe slip casting, has formed the concrete circle layer of surrounding the area steel pipe outside the well body scope, utilizes the outer soil of well body above the concrete circle layer as the anti superficial ballast of well body, and is high-efficient simple and convenient.
Disclosure of Invention
The utility model discloses construction mode is improved to current underground garage, promptly the utility model discloses the technical problem that solves utilizes continuous steel caisson combination to form underground garage's outer wall, excavates steel caisson with the operation mode of taking water and encloses the well body scope earthwork that closes, pours the concrete back cover under water, and the reinforced concrete bottom plate of being under construction again, founds the steel construction garage, beats at reinforced concrete bottom plate position and establishes horizontal anti-floating anchor rod, solves the anti-floating problem in underground garage.
The utility model discloses a concrete implementation scheme is: the steel structure underground garage rapid construction structure comprises steel corner columns located at four corners of the garage and a steel shell formed by continuous splicing and enclosing of caisson components, steel waist beams enclosed are arranged on the inner side of the steel shell along vertical intervals, steel corner supports are fixed between adjacent steel waist beams, a reinforced concrete top plate is fixed at the top of the steel shell, a reinforced concrete bottom plate is fixed at the bottom of the steel shell, a steel structure stereo garage located inside the steel shell is fixed on the reinforced concrete bottom plate, bottom sealing concrete is poured under the reinforced concrete bottom plate, a drainage steel pipe penetrating through the bottom sealing concrete is vertically buried in the bottom sealing concrete, a flange is sealed at the upper end of the drainage steel pipe, and a horizontal anti-floating anchor rod is arranged at the position of the reinforced concrete bottom plate.
Preferably, the steel corner post is formed by welding steel plates or steel sections and steel plates in a surrounding manner, the caisson component comprises an inner steel plate and an outer steel plate which are positioned on the inner side and the outer side of the garage and a pair of longitudinal steel plates which are perpendicular to the inner steel plate and the outer steel plate, and the inner steel plate and the outer steel plate are detachably connected with the longitudinal steel plates; guide mechanisms consisting of convex rails and guide grooves are arranged between the steel corner columns and the adjacent caisson components and on the opposite surfaces of the adjacent caisson components; the side surface of the steel corner post connecting steel caisson is welded with a guide groove, and the caisson component comprises a steel caisson and a connecting steel caisson;
the steel corner columns and the caisson components are vertically divided into a plurality of sections, and the caisson components of all the sections are equal in height; an initial guide pillar is welded at the upper end of the steel corner post, the initial guide pillar is exposed out of the ground by a plurality of meters, and a guide groove on the side surface of the steel corner post extends to the top of the initial guide pillar;
and guiding the opposite surfaces of the adjacent caisson components between the same row of steel angle columns in a matching way through a guide mechanism.
Preferably, the longitudinal steel plate of the caisson component is bent into a groove shape, round holes are formed at the corresponding positions of the bent part of the longitudinal steel plate and the adjacent outer steel plate and inner steel plate at the upper end of each section of the caisson component, and steel rods are inserted into the corresponding round holes of the longitudinal steel plate of each section of the caisson component, the outer steel plate and the inner steel plate when the caisson component is sunk into each section of the caisson component.
Preferably, the caisson component includes steel caisson and connection steel box, protruding rail and guide slot have been welded respectively to the both ends of the inboard steel sheet of steel caisson and outside steel sheet, and protruding rail has been welded respectively to the both ends of the inboard steel sheet of connection steel box and outside steel sheet, the inboard steel sheet of steel corner post and each festival section of steel caisson, outside steel sheet outward flange keep the parallel and level.
Preferably, the steel waist rail steel support is welded on the inner wall of the steel shell, a groove for placing the steel waist rail is formed in the upper surface of the steel support, and two ends of the steel angle support are welded with the steel waist rail.
Preferably, the steel structure stereo garage comprises a steel column which is vertically fixed on a reinforced concrete bottom plate, a horizontal steel beam for the garage is welded between the steel column and a steel shell, and the steel beam at the top layer of the garage and the reinforced concrete top plate are combined into a whole.
Preferably, holes required for vertical transportation of the garage are reserved on the reinforced concrete top plate; the method comprises the following steps that (1) inserting bars are reserved at the tops of caisson components and steel corner column cavities when concrete is poured into the caisson components and the steel corner column cavities, and the inserting bars extend into a reinforced concrete top plate; the reinforced concrete bottom plate is internally provided with a bottom plate upper layer steel bar and a bottom plate lower layer steel bar, and the caisson component is welded and connected with the bottom plate upper layer steel bar and the bottom plate lower layer steel bar through water-stopping steel plates.
Preferably, one or more rows of steel sleeves are uniformly embedded in the caisson component corresponding to the peripheral side of the reinforced concrete bottom plate along the periphery of the steel shell, a rubber water stop lantern ring is sleeved outside the joint part of the steel sleeves and the caisson component, and two end openings of each steel sleeve are blocked by wooden plugs during sinking operation of the caisson component.
Preferably, the anti-floating horizontal anchor rod is a steel pipe, the surface of the steel pipe is evenly provided with twist holes along the length direction, and the anti-floating horizontal anchor rod penetrates through the steel sleeve and is arranged outside the steel shell in a drilling mode.
Compared with the prior art, the utility model discloses following beneficial effect has: the enclosure structure and the permanent structure are combined into a whole, so that the economy is good, and the quality is high; the steel caisson operation and the water-carrying earth excavation operation ensure that the construction process has minimum influence on the surrounding environment and minimum risk; the underwater concrete bottom sealing is provided with the horizontal anti-floating anchor rod, so that the safety of the well body structure is ensured. The utility model discloses a current underground works advantage of only two kinds of construction methods combines the third kind mode that forms, safety, economy, high efficiency.
Drawings
FIG. 1 is a sectional view of the underground garage of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a partial large view of the steel shell of the present invention;
FIG. 4 is a schematic view of a steel corner post of the present invention;
FIG. 5 is a schematic view of the steel caisson of the present invention;
FIG. 6 is a big sample drawing of the steel caisson for connection of the present invention;
FIG. 7 is a partial big sample view of the steel caisson of the present invention;
fig. 8 is a big sample drawing of the horizontal anti-floating anchor rod of the utility model;
FIG. 9 is a schematic view of a steel wale of the present invention;
FIG. 10 is a view showing a steel corner brace of the present invention;
FIG. 11 is a schematic view of the steel waist rail and the steel shell of the present invention;
fig. 12 is a schematic view of the structure of the initial guide pillar of the present invention.
Wherein: 1. a steel caisson 11, an outer steel plate 12 of the steel caisson, an inner steel plate 13 of the steel caisson, and a longitudinal steel plate of the steel caisson;
2. steel corner posts 21, guide grooves; 22. a raised rail; 23. initial guide post
3. The steel box comprises a connecting steel box 31, an outer steel plate 32 of the connecting steel box, an inner steel plate 33 of the connecting steel box and a longitudinal steel plate of the connecting steel box;
4. a steel bar; 5. a reinforced concrete bottom plate 51, a back cover concrete 52, a drainage steel pipe 53, a water stop steel plate 54, and flanges;
6. a reinforced concrete top plate;
7. a steel wale 71, a steel gusset; 72. a steel waist beam steel support;
8. steel columns 81, garage steel beams;
9. horizontal anti-floating anchor rod 91, pre-embedded steel sleeve 92 and rubber water stop ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in FIGS. 1 to 12, the specific embodiment of the present invention is: the steel structure underground garage constructs the structure fast, the steel structure underground garage encloses the steel casing that closes and form including the continuous concatenation of the steel angle post 2 that is located the garage four corners and steel angle post 2 within a definite time by the caisson component, and the steel casing inboard is provided with along vertical interval and encloses steel waist roof beam 7 that closes, is fixed with steel angle brace 71 between adjacent steel waist roof beam 7, the top of steel casing is fixed with reinforced concrete roof 6, and the bottom of steel casing is fixed with reinforced concrete bottom plate 5, be fixed with the steel structure stereo garage who is located the steel casing inside on the reinforced concrete bottom plate, the pouring has the back cover concrete 51 under the reinforced concrete bottom plate, and the vertical drainage steel pipe 52 that runs through the back cover concrete that buries in the back cover concrete, and drainage steel pipe 52 upper end is sealed has flange 54, has beaten at reinforced concrete bottom plate position and is equipped with horizontal anti-floating anchor rod 9, and the construction method includes following:
1) constructing a steel shell to form a well chamber with the periphery enclosed and sealed;
2) carrying out water-carrying operation, and digging soil to the bottom surface of the bottom sealing concrete by using mechanical equipment;
3) pouring bottom sealing concrete underwater, wherein a drainage steel pipe 52 which penetrates through the concrete and is higher than the upper surface of the reinforced concrete bottom plate to be poured is vertically arranged in the bottom sealing concrete;
4) lowering water in the well chamber, and simultaneously erecting the steel wale 7 and the steel angle brace 71 layer by layer;
5) pumping water by using a drainage steel pipe 52 arranged in the back cover concrete 51, working on the back cover concrete surface, and drilling a horizontal anti-floating anchor rod 9;
6) pouring a reinforced concrete bottom plate, and sealing the drainage steel pipe 52 by using a flange after the reinforced concrete bottom plate is formed and the horizontal anti-floating anchor rod is fixed;
7) constructing a steel structure underground garage on the reinforced concrete bottom plate;
8) and pouring the reinforced concrete top plate 6 and the garage ground structure.
In the embodiment, the steel corner column is formed by welding steel plates or steel sections and steel plates in a surrounding manner, the caisson component comprises inner steel plates (12, 32) and outer steel plates (11, 31) which are positioned on the inner side and the outer side of the garage and a pair of longitudinal steel plates (13, 33) which are perpendicular to the inner steel plates and the outer steel plates, and the inner steel plates and the outer steel plates are detachably connected with the longitudinal steel plates; guide mechanisms consisting of convex rails 22 and guide grooves 21 are arranged between the steel angle column and the adjacent caisson components and on the opposite surfaces of the adjacent caisson components; the side surface of the steel corner post connecting steel caisson 1 is welded with a guide groove 21, and the caisson component comprises the steel caisson 1 and a connecting steel caisson 3;
the steel corner columns and the caisson components are vertically divided into a plurality of sections, and the caisson components of all the sections are equal in height;
the steel shell construction method comprises the following working steps:
1) the method comprises the following steps of (1) drilling steel corner columns at corners of a designed steel structure underground garage, dividing the steel corner columns into a plurality of sections along the vertical direction, hoisting the sections by using a crane, taking soil in the steel corner columns by using mechanical equipment, and sinking the steel corner columns into soil to reach designed elevations; the upper and lower adjacent sections of the steel corner post are welded and connected; the upper end of the steel corner post is welded with an initial guide post, and the material and the cross section of the initial guide post are equal to the upper end of the steel corner post; the initial guide post is exposed out of the ground by a plurality of meters, and the guide groove on the side surface of the steel corner post extends to the top of the initial guide post;
2) arranging caisson components between the same row of steel angle columns on the ground at one time, wherein guide grooves among the caisson components are meshed with the convex rails, soil is simultaneously taken from the caisson components by using mechanical equipment, the caisson components at the same section sink simultaneously, and the steel plates at the inner side and the outer side of each caisson component are welded and connected between the upper section and the lower section;
3) removing the longitudinal steel plates of the caisson components;
4) replacing slurry in a groove formed by sealing an inner steel plate and an outer steel plate of the caisson component;
5) concrete is poured into the groove and the steel corner post;
6) and cutting off the initial guide pillar.
In this embodiment, the two ends of the inner steel plate 12 of the steel caisson 1 and the outer steel plate 11 of the steel caisson are respectively welded with a convex rail and a guide groove, the two ends of the inner steel plate 32 and the outer steel plate 31 of the connecting steel caisson 3 are respectively welded with a convex rail, and the outer edges of the inner steel plate and the outer steel plate of each section of the steel corner post and the caisson member are kept flush. The caisson component between the same row of steel corner columns comprises a plurality of steel caissons 1 and a connecting steel box 3.
In the embodiment, the longitudinal steel plates (13, 33) of the caisson component are bent into a groove shape, round holes are formed in the bent parts of the longitudinal steel plates and the corresponding positions of the adjacent outer side steel plates (11, 31) and inner side steel plates (12, 32) at the upper end of each section of the caisson component, steel rods 4 are inserted into the corresponding round holes of the longitudinal steel plates, the outer side steel plates and the inner side steel plates of each section of the caisson component when the caisson component is sunk into each section of the caisson component, the steel rods are pulled out after each section of the caisson component is sunk into a soil body, and the process is repeated until all the sections of the caisson component are sunk in place and then the steel rods are pulled out.
The longitudinal steel plates (13, 33) and the steel bars 4 can be used for stabilizing the inner steel plates (12, 32) and the outer steel plates (11, 31) in the sinking process, and the extracted longitudinal steel plates (13, 33) and steel bars can be reused to reduce the cost.
In this embodiment, steel waist rail steel bracket 72 has been welded to the steel shell inner wall, the steel bracket upper surface has the recess that is used for putting steel waist rail 7, steel angle brace 71 both ends and the welding of steel waist rail 7, steel structure stereo garage includes vertical fixed steel column 8 on the reinforced concrete bottom plate, and it has the horizontal girder steel for the garage to weld even between steel column and the steel shell, and garage top layer girder steel and reinforced concrete roof combine as an organic whole.
In the embodiment, holes required for vertical transportation of the garage are reserved on the reinforced concrete top plate; the method comprises the following steps that (1) inserting bars are reserved at the tops of caisson components and steel corner column cavities when concrete is poured into the caisson components and the steel corner column cavities, and the inserting bars extend into a reinforced concrete top plate; the reinforced concrete bottom plate is internally provided with bottom plate reinforcing steel bars which comprise bottom plate upper layer reinforcing steel bars and bottom plate lower layer reinforcing steel bars, and the caisson component is welded and connected with the bottom plate upper layer reinforcing steel bars and the bottom plate lower layer reinforcing steel bars through water stop steel plates 53.
In the aspect of anti-floating of the underground garage, the horizontal anti-floating anchor rods are arranged to guarantee the stability of the underground garage, one or more rows of steel sleeves are uniformly embedded in the caisson component corresponding to the peripheral sides of the reinforced concrete bottom plates along the periphery of the steel shell, the rubber water stop lantern rings are sleeved outside the steel sleeves and the cross-over part of the caisson component, and openings at two ends of each steel sleeve are blocked by wooden plugs during sinking operation of the caisson component.
The anti-floating horizontal anchor rod is a steel pipe body with a twisted hole in the whole length, a wooden plug is removed when the horizontal anti-floating anchor rod is arranged, the horizontal anchor rod is arranged outside a steel shell through a steel sleeve buried in a caisson component, grouting is carried out in the steel pipe after the horizontal anchor rod is arranged in place, grout is seeped out of the twisted hole, and a steel pipe concrete ring is formed outside the steel shell.
In order to adapt to underground humid environment, the steel structure underground garage can adopt one or more of the following measures to prevent corrosion: the outer surface of the outer steel plate of the caisson component is coated with anticorrosive materials such as asphalt paint; the outer steel plate of the caisson component is made of weather-proof steel; and a zinc block is externally hung on the steel shell.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (9)
1. The steel structure underground garage rapid construction structure is characterized by comprising steel corner columns positioned at four corners of the garage and a steel shell formed by continuously splicing and enclosing through caisson components, wherein steel waist beams enclosing the garage are arranged on the inner side of the steel shell along vertical intervals, steel corner supports are fixed between adjacent steel waist beams, a reinforced concrete top plate is fixed at the top of the steel shell, a reinforced concrete bottom plate is fixed at the bottom of the steel shell, a steel structure stereo garage positioned inside the steel shell is fixed on the reinforced concrete bottom plate, bottom sealing concrete is poured under the reinforced concrete bottom plate, a drainage steel pipe penetrating through the bottom sealing concrete is vertically embedded in the bottom sealing concrete, a flange is sealed at the upper end of the drainage steel pipe, and a horizontal anti-floating anchor rod is arranged at the position of the reinforced concrete bottom plate.
2. The rapid construction structure of a steel structure underground garage according to claim 1, wherein the steel corner posts are formed by steel plates or steel sections and steel plates through enclosing and welding, the caisson component comprises an inner steel plate and an outer steel plate which are positioned at the inner side and the outer side of the garage and a pair of longitudinal steel plates which are perpendicular to the inner steel plate and the outer steel plate, and the inner steel plate and the outer steel plate are detachably connected with the longitudinal steel plates; guide mechanisms consisting of convex rails and guide grooves are arranged between the steel corner columns and the adjacent caisson components and on the opposite surfaces of the adjacent caisson components; the side surface of the steel corner post connecting steel caisson is welded with a guide groove, and the caisson component comprises a steel caisson and a connecting steel caisson;
the steel corner columns and the caisson components are vertically divided into a plurality of sections, and the caisson components of all the sections are equal in height; an initial guide pillar is welded at the upper end of the steel corner post, the initial guide pillar is exposed out of the ground by a plurality of meters, and a guide groove on the side surface of the steel corner post extends to the top of the initial guide pillar;
and guiding the opposite surfaces of the adjacent caisson components between the same row of steel angle columns in a matching way through a guide mechanism.
3. The rapid construction structure of a steel structure underground garage according to claim 1, wherein the longitudinal steel plate of the caisson member is bent to be groove-shaped, round holes are formed at the bent portion of the longitudinal steel plate and the corresponding positions of the adjacent outer steel plate and inner steel plate at the upper end of each section of the caisson member, and steel rods are inserted into the corresponding round holes of the longitudinal steel plate of each section of the caisson member, the outer steel plate and the inner steel plate when the caisson member is sunk.
4. The rapid construction structure of a steel structure underground garage according to claim 1, wherein the caisson component comprises a steel caisson and a connecting steel box, the two ends of the inner steel plate and the outer steel plate of the steel caisson are respectively welded with a convex rail and a guide groove, the two ends of the inner steel plate and the outer steel plate of the connecting steel box are respectively welded with a convex rail, and the outer edges of the inner steel plate and the outer steel plate of each section of the steel corner post and the steel caisson are kept flush.
5. The rapid construction structure of a steel structure underground garage according to claim 1, wherein a steel waist beam steel support is welded on the inner wall of the steel shell, a groove for placing the steel waist beam is formed in the upper surface of the steel support, and two ends of the steel angle support are welded with the steel waist beam.
6. The rapid construction structure of the steel structure underground garage according to claim 1, wherein the steel structure stereo garage comprises steel columns vertically fixed on a reinforced concrete bottom plate, horizontal steel beams for the garage are welded between the steel columns and a steel shell, and the steel beams at the top layer of the garage and the reinforced concrete top plate are combined into a whole.
7. The steel structure underground garage rapid construction structure according to claim 2, wherein holes required for garage vertical transportation are reserved on the reinforced concrete top plate; the method comprises the following steps that (1) inserting bars are reserved at the tops of caisson components and steel corner column cavities when concrete is poured into the caisson components and the steel corner column cavities, and the inserting bars extend into a reinforced concrete top plate; the reinforced concrete bottom plate is internally provided with a bottom plate upper layer steel bar and a bottom plate lower layer steel bar, and the caisson component is welded and connected with the bottom plate upper layer steel bar and the bottom plate lower layer steel bar through water-stopping steel plates.
8. The rapid construction structure of a steel structure underground garage according to claim 1, characterized in that one or more rows of steel sleeves are uniformly embedded along the periphery of the steel casing in the caisson component corresponding to the periphery of the reinforced concrete bottom plate, a rubber water stop lantern ring is sleeved outside the joint part of the steel sleeves and the caisson component, and two end openings of the steel sleeves are blocked by wooden plugs during the sinking operation of the caisson component.
9. The steel structure underground garage rapid construction structure according to claim 8, wherein the anti-floating horizontal anchor rods are steel pipes with knurl holes uniformly distributed on the surface along the length direction, and the anti-floating horizontal anchor rods penetrate through the steel sleeves and are arranged outside the steel shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021446123.5U CN213477808U (en) | 2020-07-21 | 2020-07-21 | Structure is found fast to steel construction underground garage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021446123.5U CN213477808U (en) | 2020-07-21 | 2020-07-21 | Structure is found fast to steel construction underground garage |
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| CN213477808U true CN213477808U (en) | 2021-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012394A (en) * | 2022-06-15 | 2022-09-06 | 福州市规划设计研究院集团有限公司 | Prestressed steel plate concrete underground continuous wall and design and construction method thereof |
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2020
- 2020-07-21 CN CN202021446123.5U patent/CN213477808U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012394A (en) * | 2022-06-15 | 2022-09-06 | 福州市规划设计研究院集团有限公司 | Prestressed steel plate concrete underground continuous wall and design and construction method thereof |
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