CN212375899U - Steel construction building assembled concrete foundation - Google Patents
Steel construction building assembled concrete foundation Download PDFInfo
- Publication number
- CN212375899U CN212375899U CN202020667862.0U CN202020667862U CN212375899U CN 212375899 U CN212375899 U CN 212375899U CN 202020667862 U CN202020667862 U CN 202020667862U CN 212375899 U CN212375899 U CN 212375899U
- Authority
- CN
- China
- Prior art keywords
- steel
- concrete
- bedplate
- steel concrete
- steel pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 204
- 239000010959 steel Substances 0.000 title claims abstract description 204
- 239000004567 concrete Substances 0.000 title claims abstract description 107
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 230000002787 reinforcement Effects 0.000 claims description 24
- 239000011150 reinforced concrete Substances 0.000 claims description 18
- 239000004570 mortar (masonry) Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The assembled concrete foundation for the steel structure building comprises a steel concrete bedplate and steel concrete support columns, wherein the steel concrete bedplate and the steel concrete support columns are prefabricated in a factory, five positioning support grooves are formed in the lower surface of the steel concrete bedplate, the centers of the bottoms of the four positioning support grooves are located on four vertexes of a square, the center of the bottom of the other positioning support groove coincides with the intersection point of the diagonal lines of the square, five steel concrete support columns are vertically arranged, the upper end of each steel concrete support column correspondingly extends into one positioning support groove and is fixedly connected with the steel concrete bedplate through a connecting piece, and the upper end of the connecting piece upwards extends out of the steel concrete bedplate to be used for connecting steel structure. The utility model discloses the principle science, according to the design requirement of steel construction building foundation prefabricated large batch steel concrete platen and steel concrete support column in the mill at the mill, install at the job site, reduce the engineering volume of site operation, also not influenced by weather condition, improved the efficiency of construction greatly, also can ensure construction quality simultaneously.
Description
Technical Field
The utility model belongs to the technical field of building engineering, concretely relates to steel construction building assembled concrete foundation.
Background
The foundation of a steel structure building (steel structure factory building) is the foundation of a steel structure upright post, a foundation pit is generally excavated on the ground in the current engineering for the steel structure foundation, reinforcing steel bars are bound in the foundation pit, then a template is supported, foundation bolts are embedded in the template, concrete is poured at last, and after the concrete is solidified, the upper parts of the foundation bolts extend out of the concrete and are used for connecting the upright post. The construction mode has large work amount and lower efficiency. The cast-in-place concrete is generally operated in the open air, is greatly influenced by the environment, and is difficult to control the casting quality of the concrete particularly in winter in high latitude areas.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide one kind and help improving the efficiency of construction, reduce the site operation engineering volume, basically not influenced by weather condition's steel construction building assembled concrete foundation.
In order to solve the technical problem, the utility model adopts the following technical scheme: the assembled concrete foundation for the steel structure building comprises a steel concrete bedplate and steel concrete support columns, wherein the steel concrete bedplate and the steel concrete support columns are prefabricated in a factory, five positioning support grooves are formed in the lower surface of the steel concrete bedplate, the centers of the bottoms of the four positioning support grooves are located on four vertexes of a square, the center of the bottom of the other positioning support groove coincides with the intersection point of the diagonal lines of the square, five steel concrete support columns are vertically arranged, the upper end of each steel concrete support column correspondingly extends into one positioning support groove and is fixedly connected with the steel concrete bedplate through a connecting piece, and the upper end of the connecting piece upwards extends out of the steel concrete bedplate to be used for connecting steel structure.
The steel concrete support column comprises a steel pipe, a drill bit with a sharp lower end is fixedly arranged at the lower end of the steel pipe, and a spiral convex rib is fixedly arranged on the outer circumference of the steel pipe along the axis direction;
the connecting piece includes connecting reinforcement and at least three group's direction centering structure, connecting reinforcement stretches into in the steel pipe along steel pipe central line top-down, every group direction centering structure includes three spinal branch poles that set up along the radial direction of steel pipe, three spinal branch poles evenly arrange along connecting reinforcement's circumferencial direction, the inner welding of branch is on connecting reinforcement, branch outer end and the contact of steel pipe inner wall, mortar or concrete have been pour in the annular cavity that forms between the steel pipe is inside and the connecting reinforcement outside, the fixed closure that is equipped with of port on the steel pipe, the bottom roof pressure contact of closure upper surface and position support groove, offer the perforation that is used for passing connecting reinforcement on the closure, steel pipe excircle upper portion is provided with and is used for driving the rotatory hexagonal prism structure of steel.
A vertically arranged and vertically through sleeve is pre-embedded in the steel concrete bedplate along the direction of the central line of the five positioning and supporting grooves, the inner diameter of the sleeve is larger than the outer diameter of the connecting steel bar, a step groove larger than the outer diameter of the sleeve is formed in the upper end of the sleeve on the upper surface of the steel concrete bedplate, the upper end of the sleeve is flush with the bottom of the step groove, an external thread is formed in the upper part of the connecting steel bar above the blocking plate, and a countersunk nut and a fastening nut which are positioned in the step groove are in threaded connection with the connecting; the upper end of one connecting steel bar at the diagonal intersection of the square is equal to or lower than the upper surface of the reinforced concrete bedplate, and the upper ends of the connecting steel bars at the four vertexes of the square are higher than the upper surface of the reinforced concrete bedplate.
The upper surface of the reinforced concrete bedplate is pre-embedded with a rectangular steel plate, the lower surface of the rectangular steel plate is welded with a reinforcing mesh pre-embedded in the reinforced concrete bedplate into a whole, the upper surface of the rectangular steel plate is flush with the upper surface of the reinforced concrete bedplate, and the rectangular steel plate is provided with through holes which are correspondingly communicated with the step grooves from top to bottom.
Adopt above-mentioned technical scheme, the utility model provides a steel concrete platen and steel concrete support column form at the mill prefabrication, and steel concrete platen thickness, length and width are decided according to building engineering construction design's size, and the supporting five steel concrete support column combinations of a steel concrete platen use, steel pipe lower extreme welding bit of steel concrete support column, steel pipe excircle along the circumferencial direction welding go up spiral convex edge strip, steel pipe excircle upper portion set up the hexagonal prism structure with the dop adaptation of rig.
After the steel concrete bedplate and the steel concrete support columns are transported to a construction site, assembly type construction operation is carried out, and the concrete construction procedures are as follows: determining the position of a steel structure upright post after field paying off, excavating a foundation trench at the position, leveling the foundation trench, scribing a line at the bottom of the foundation trench, scribing a square and a diagonal line of the square, wherein the side length of the square is equal to the side length of the square formed by connecting the centers of the bottoms of four supporting positioning grooves on the bottom surface of a steel concrete bedplate, clamping a hexagonal prism structure at the upper end of a steel concrete supporting column on a mortar cushion on a chuck of a drilling machine, starting the drilling machine, driving the steel concrete supporting column to rotate by the drilling machine and drill downwards aiming at the intersection point of two diagonal lines of the square until the chuck of the drilling machine is contacted with the bottom of the foundation trench, then releasing the chuck, clearing away soil residues drilled at the bottom of the foundation trench, drilling other four steel concrete supporting columns into the ground corresponding to four vertexes of the square respectively according to the drilling process, and enabling blocking plates at the upper ends of, if the height has deviation, a backing plate can be arranged on the blocking plate. Then hoisting the steel concrete bedplate (rings can be pre-embedded on four side surfaces of the steel concrete bedplate) into the base groove, enabling five connecting steel bars to correspondingly penetrate through the five sleeves until the groove bottom of the positioning support groove on the bottom surface of the steel concrete bedplate is contacted with the blocking plate, pouring mortar into the base groove, enabling the mortar to be filled into a gap between the bottom surface of the steel concrete bedplate and the bottom of the base groove, performing compaction operation on the mortar by using a small vibrating rod, and finally enabling the upper surface of the mortar to be higher than the bottom surface of the steel concrete bedplate. And then, penetrating a gasket, a countersunk nut and a fastening nut into the upper end of the connecting steel bar, and screwing the countersunk nut and the fastening nut into the step groove by using a socket wrench, so that the reinforced concrete bedplate and the reinforced concrete support column are connected into a whole. The base of steel structure stand supports on the rectangle steel sheet, has seted up four mounting holes on the base of steel structure stand, and the upper end of four connecting reinforcement passes the mounting hole and through nut and steel structure stand fixed connection, and in order to further improve joint strength, the base of steel structure stand can also weld with the rectangle steel sheet.
When the steel concrete support column is arranged on the support, the connecting steel bars extend into the steel pipe, the outer end of the support rod of the guide centering structure slides along the inner wall of the steel pipe, the connecting steel bars and the steel pipe are guaranteed to keep concentricity, then the steel pipe is vertically arranged, the open end of the steel pipe faces upwards, mortar or concrete is poured into an annular cavity formed between the steel pipe and the connecting steel bars through the upper end opening of the steel pipe, and the steel pipe and the connecting steel bars are poured into a whole.
To sum up, the utility model discloses the principle science is prefabricated at mill in the factory according to the design requirement of steel construction building foundation and is installed at the job site at prefabricated large batch steel concrete platen and steel concrete support column, reduces the engineering volume of site operation, does not also receive the weather condition to influence, has improved the efficiency of construction greatly, also can ensure construction quality simultaneously.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is an enlarged view taken at A-A in FIG. 1;
figure 3 is a schematic cross-sectional view of a reinforced concrete support column.
Detailed Description
As shown in fig. 1-3, the utility model discloses a steel construction building assembled concrete foundation, include prefabricated steel concrete platen 1 and the steel concrete support column in the mill, five positioning support grooves 2 have been seted up to 1 lower surface of steel concrete platen, wherein the tank bottom center of four positioning support grooves 2 is located four summits of a square, the tank bottom center of another positioning support groove 2 coincides with the crossing point of diagonal of this square, the vertical five that sets up of steel concrete support column, the upper end of every steel concrete support column all corresponds and stretches into in one positioning support groove 2 and through connecting piece and 1 fixed connection of steel concrete platen, the connecting piece upper end upwards stretches out steel concrete platen 1 and is used for connecting the steel structure stand.
The steel concrete support column comprises a steel pipe 3, a drill bit 4 with a sharp lower end is fixedly arranged at the lower end of the steel pipe 3, and a spiral convex rib 5 is fixedly arranged on the outer circumference of the steel pipe 3 along the axis direction;
the connecting piece includes connecting reinforcement 6 and at least three group's direction centering structure, connecting reinforcement 6 stretches into in steel pipe 3 along 3 central line top-down of steel pipe, every group direction centering structure includes three spinal branch 7 along 3 radial direction settings of steel pipe, three spinal branch 7 are evenly arranged along connecting reinforcement 6's circumferencial direction, the inner welding of branch 7 is on connecting reinforcement 6, branch 7 outer end and the contact of 3 inner walls of steel pipe, pour mortar or concrete 8 in the annular cavity that forms between 3 insides of steel pipe and the 6 outsides of connecting reinforcement, the fixed jam 9 that is equipped with of 3 upper end openings of steel pipe, the bottom of the roof pressure contact of jam 9 upper surface and location support groove 2, offer the perforation that is used for passing connecting reinforcement 6 on the jam 9, 3 excircle upper portions of steel pipe are provided with and are used for driving the rotatory hexagonal prism structure of 3 steel.
A vertically arranged and vertically through sleeve 10 (made of plastic) is pre-embedded in the steel concrete bedplate 1 along the direction of the central line of the five positioning and supporting grooves 2, the inner diameter of the sleeve 10 is larger than the outer diameter of the connecting reinforcing steel bar 6, a step groove 11 with the outer diameter larger than that of the sleeve 10 is formed in the upper end of the sleeve 10 on the upper surface of the steel concrete bedplate 1, the upper end of the sleeve 10 is flush with the bottom of the step groove 11, an external thread is formed above the blocking plate 9 on the upper part of the connecting reinforcing steel bar 6, and a countersunk nut 12 and a fastening nut 13 which are positioned in the step groove 11 are in; the upper end of one connecting steel bar 6 at the diagonal intersection of the square is lower than the upper surface of the reinforced concrete bedplate 1, and the height of the upper end of the connecting steel bar 6 at the four vertexes of the square is higher than the upper surface of the reinforced concrete bedplate 1.
A rectangular steel plate 14 is pre-embedded in the upper surface of the reinforced concrete bedplate 1, the lower surface of the rectangular steel plate 14 is welded with a reinforcing mesh pre-embedded in the reinforced concrete bedplate 1 into a whole, the upper surface of the rectangular steel plate 14 is flush with the upper surface of the reinforced concrete bedplate 1, and through holes 15 which are correspondingly communicated with the step grooves 11 up and down are formed in the rectangular steel plate 14.
The utility model provides a steel concrete platen 1 and steel concrete support column form at the mill prefabrication, thickness, length and the width of steel concrete platen 1 are decided according to the size of building engineering construction design, the combination of five steel concrete support columns of a steel concrete platen 1 complete set uses, 3 lower extreme welding drill bits 4 of steel pipe of steel concrete support column, spiral protruding edges and corners 5 are gone up along the circumferencial direction welding in 3 excircles of steel pipe, 3 excircles upper portion of steel pipe set up the hexagonal prism structure with the dop adaptation of rig.
After the steel concrete bedplate 1 and the steel concrete support columns are transported to a construction site, assembly type construction operation is carried out, and the concrete construction procedures are as follows: determining the position of a steel structure upright post after field paying off, excavating a foundation trench at the position, leveling the foundation trench, scribing a line at the bottom of the foundation trench, scribing a square and a diagonal line of the square, wherein the side length of the square is equal to the side length of the square formed by connecting the centers of the bottoms of four supporting positioning grooves on the bottom surface of a steel concrete bedplate 1, clamping a hexagonal prism structure at the upper end of a steel concrete supporting column on a mortar cushion layer onto a chuck (the prior art) of a drilling machine, starting the drilling machine, driving the steel concrete supporting column to rotate by the drilling machine and downwards drill by aiming at the intersection points of two diagonal lines of the square until the chuck of the drilling machine is contacted with the bottom of the foundation trench, then loosening the chuck, clearing away soil slag drilled at the bottom of the foundation trench, drilling other four steel concrete supporting columns into the ground corresponding to four vertexes of the square respectively according to the drilling process, and positioning the blocking plates 9 at the upper ends, if there is a deviation in height, a shim plate may be provided on the closure plate 9. Then hoisting the steel concrete bedplate 1 (rings can be pre-embedded on four side surfaces of the steel concrete bedplate 1) into the base groove, enabling five connecting steel bars 6 to correspondingly penetrate through five sleeves 10 until the groove bottom of the positioning support groove 2 on the bottom surface of the steel concrete bedplate 1 is contacted with the blocking plate 9, pouring mortar into the base groove, enabling the mortar to be filled into a gap between the bottom surface of the steel concrete bedplate 1 and the bottom of the base groove, performing compaction operation on the mortar by using a small vibrating bar, and finally enabling the upper surface of the mortar to be higher than the bottom surface of the steel concrete bedplate 1. And then, a gasket, a countersunk nut 12 and a fastening nut 13 are inserted into the upper end of the connecting steel bar 6, and the countersunk nut 12 and the fastening nut 13 are screwed into the step groove 11 by using a socket wrench, so that the steel concrete bedplate 1 and the steel concrete support column are connected into a whole. The base of steel structure stand supports on rectangle steel sheet 14, has seted up four mounting holes on the base of steel structure stand, and the upper end of four connecting reinforcement 6 passes the mounting hole and through the nut with steel structure stand fixed connection, for further improvement joint strength, the base of steel structure stand can also weld with rectangle steel sheet 14.
When the steel concrete support column is at the support, connecting reinforcement 6 stretches into in the steel pipe 3, and the 7 outer ends of branch of direction centering structure slide along 3 inner walls of steel pipe, ensure that connecting reinforcement 6 and steel pipe 3 keep the concentricity, then with the vertical setting of steel pipe 3, the open end of steel pipe 3 up, pour mortar or concrete 8 in the annular cavity that forms to between steel pipe 3 and the connecting reinforcement 6 through the last port of steel pipe 3, just so pour steel pipe 3 and connecting reinforcement 6 as an organic whole.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (4)
1. Steel construction building assembled concrete foundation, its characterized in that: the steel concrete column support structure comprises a steel concrete bedplate and steel concrete support columns which are prefabricated in a factory, wherein five positioning support grooves are formed in the lower surface of the steel concrete bedplate, the centers of the bottoms of the four positioning support grooves are located at four vertexes of a square, the center of the bottom of the other positioning support groove coincides with the intersection point of the diagonal lines of the square, five steel concrete support columns are vertically arranged, the upper end of each steel concrete support column correspondingly extends into one positioning support groove and is fixedly connected with the steel concrete bedplate through a connecting piece, and the upper end of the connecting piece upwards extends out of the steel concrete bedplate to be used for connecting steel structure stand columns.
2. The steel structure building fabricated concrete foundation of claim 1, wherein: the steel concrete support column comprises a steel pipe, a drill bit with a sharp lower end is fixedly arranged at the lower end of the steel pipe, and a spiral convex rib is fixedly arranged on the outer circumference of the steel pipe along the axis direction;
the connecting piece includes connecting reinforcement and at least three group's direction centering structure, connecting reinforcement stretches into in the steel pipe along steel pipe central line top-down, every group direction centering structure includes three spinal branch poles that set up along the radial direction of steel pipe, three spinal branch poles evenly arrange along connecting reinforcement's circumferencial direction, the inner welding of branch is on connecting reinforcement, branch outer end and the contact of steel pipe inner wall, mortar or concrete have been pour in the annular cavity that forms between the steel pipe is inside and the connecting reinforcement outside, the fixed closure that is equipped with of port on the steel pipe, the bottom roof pressure contact of closure upper surface and position support groove, offer the perforation that is used for passing connecting reinforcement on the closure, steel pipe excircle upper portion is provided with and is used for driving the rotatory hexagonal prism structure of steel.
3. The steel structure building fabricated concrete foundation of claim 2, wherein: a vertically arranged and vertically through sleeve is pre-embedded in the steel concrete bedplate along the direction of the central line of the five positioning and supporting grooves, the inner diameter of the sleeve is larger than the outer diameter of the connecting steel bar, a step groove larger than the outer diameter of the sleeve is formed in the upper end of the sleeve on the upper surface of the steel concrete bedplate, the upper end of the sleeve is flush with the bottom of the step groove, an external thread is formed in the upper part of the connecting steel bar above the blocking plate, and a countersunk nut and a fastening nut which are positioned in the step groove are in threaded connection with the connecting; the upper end of one connecting steel bar at the diagonal intersection of the square is equal to or lower than the upper surface of the reinforced concrete bedplate, and the upper ends of the connecting steel bars at the four vertexes of the square are higher than the upper surface of the reinforced concrete bedplate.
4. The steel structure building fabricated concrete foundation of claim 3, wherein: the upper surface of the reinforced concrete bedplate is pre-embedded with a rectangular steel plate, the lower surface of the rectangular steel plate is welded with a reinforcing mesh pre-embedded in the reinforced concrete bedplate into a whole, the upper surface of the rectangular steel plate is flush with the upper surface of the reinforced concrete bedplate, and the rectangular steel plate is provided with through holes which are correspondingly communicated with the step grooves from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667862.0U CN212375899U (en) | 2020-04-28 | 2020-04-28 | Steel construction building assembled concrete foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020667862.0U CN212375899U (en) | 2020-04-28 | 2020-04-28 | Steel construction building assembled concrete foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212375899U true CN212375899U (en) | 2021-01-19 |
Family
ID=74161589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020667862.0U Expired - Fee Related CN212375899U (en) | 2020-04-28 | 2020-04-28 | Steel construction building assembled concrete foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212375899U (en) |
-
2020
- 2020-04-28 CN CN202020667862.0U patent/CN212375899U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112177012A (en) | Precast concrete non-primary support system with lattice columns for foundation pit engineering and construction method | |
| CN111424649B (en) | Construction technology for accurately positioning pile position of cast-in-place pile aiming at complex geology of large-scale venue in river region | |
| CN113846567B (en) | Method for quickly constructing underwater pile-column type foundation of bridge | |
| CN210482018U (en) | Pier is assembled to concrete | |
| CN212375899U (en) | Steel construction building assembled concrete foundation | |
| CN212453690U (en) | Rectangular steel pipe concrete column mounting device | |
| CN111593737A (en) | Recoverable foundation pit steel upright post connecting device and construction method | |
| CN111441349A (en) | Construction method for accurately positioning steel pipe column of urban bridge and subway co-constructed pile foundation | |
| CN116480167A (en) | Municipal road engineering signal lamp installation positioning device and construction method thereof | |
| CN217630086U (en) | Enclosure system shared by cast-in-place pipe gallery and box type tunnel | |
| CN212772377U (en) | Recoverable foundation pit steel stand connecting device | |
| CN212452268U (en) | Connecting structure of prefabricated cylinder and pile foundation | |
| CN110847213B (en) | Light steel cage type tower crane base frame and assembly construction method | |
| CN102808412B (en) | Embedded construction prefabricated pile following device and pile following method | |
| CN109989415B (en) | Construction method of fabricated foundation | |
| CN211080280U (en) | Large-diameter pile foundation enclosure miniature pile group | |
| CN216130156U (en) | Building basement bottom plate water-collecting device | |
| CN216840979U (en) | Precast concrete slab column formula enclosure | |
| AU2021106745A4 (en) | Pile-column integrated prefabricated bridge substructure | |
| CN211690374U (en) | Building foundation manual excavation protective structure | |
| CN219118404U (en) | Quick mounting structure of rim of a cup basis steel column | |
| CN112431200B (en) | Construction method for reducing safety risk of reverse construction method of ribbed anchor rod retaining wall | |
| CN211850043U (en) | Foundation bolt positioning device | |
| CN217710669U (en) | Variable cross-section type steel reinforcement cage structure | |
| CN220427356U (en) | Bed-jig structure for positioning reinforcing steel bars |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |