CN209760273U - Split structure of assembled steel construction step type basis - Google Patents
Split structure of assembled steel construction step type basis Download PDFInfo
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- CN209760273U CN209760273U CN201920164120.3U CN201920164120U CN209760273U CN 209760273 U CN209760273 U CN 209760273U CN 201920164120 U CN201920164120 U CN 201920164120U CN 209760273 U CN209760273 U CN 209760273U
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Abstract
The utility model relates to an assembled steel construction building field specifically is a split structure on assembled steel construction step basis. The lower end of the steel pipe column and the bottom end steel plate are of an integrated connecting structure, and the integrated connecting structure is arranged in a first step groove in a first step; the second step is sleeved between the outer side of the steel pipe column and the first step groove, and is buckled above the steel plate at the bottom end through a second step bottom groove formed in the bottom surface of the second step; the third step is sleeved between the outer side of the steel pipe column and a second step top groove formed in the top surface of the second step; and grouting materials are respectively poured between the first step and the second step, between the second step and the third step and between the third step and the steel pipe column, so that the steel pipe column and the stepped foundation are assembled. The utility model discloses realize the assembly of steel construction post and step type basis, satisfy actual engineering design, construction needs.
Description
Technical Field
The utility model relates to an assembled steel construction building field specifically is an assembled steel construction step foundation's split structure, and the assembled step foundation structure of production can regard as steel frame construction or individual layer steel bent structure's bearing basis.
Background
At present, China still gives priority to cast-in-place construction technology, and forms, reinforcing bars, concrete pouring and maintenance are required on construction sites. The cast-in-place construction operation has serious environmental pollution and generates more construction waste; and the cast-in-place operation needs a large amount of manual field operation, and the labor efficiency is low. With the continuous increase of labor cost, the construction cost of cast-in-place operation is higher; meanwhile, the construction period is long, the construction process is complex, and the construction quality is difficult to control. The cast-in-place process does not conform to the development concept of innovation, coordination, green, openness and sharing. The assembled steel structure has the advantages of light weight, high strength, convenient installation, energy conservation, environmental protection and the like, and is widely popularized in China at present. However, the cast-in-place method is generally adopted for the foundation of the steel structure. Therefore, the utility model provides an assembled steel construction step foundation structure has advantages such as construction simple process, hoist and mount convenience.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembled steel construction rank type basis split structure realizes the assembly of steel construction post and rank type basis, satisfies actual engineering design, construction needs.
The technical scheme of the utility model is that:
A split structure of an assembly type steel structure step foundation is characterized in that the lower end of a steel pipe column and a bottom end steel plate are of an integrated connecting structure, and the integrated connecting structure is arranged in a first step groove in a first step; the second step is sleeved between the outer side of the steel pipe column and the first step groove, and is buckled above the steel plate at the bottom end through a second step bottom groove formed in the bottom surface of the second step; the third step is sleeved between the outer side of the steel pipe column and a second step top groove formed in the top surface of the second step; gaps are reserved between the first step and the second step, between the second step and the third step and between the third step and the steel pipe column respectively, and the gaps are connected through grouting materials.
According to the split structure of the assembled steel structure step foundation, the second step protrudes out of the upper surface of the first step, and the third step protrudes out of the upper surface of the second step.
The split structure of the assembly type steel structure stepped foundation is characterized in that a first step groove is formed in a first step of the assembly type stepped foundation, the depth of the first step groove is larger than 100mm, the width of the first step groove is larger than the width of a second step by 30mm, and the thickness of the bottom surface of the first step groove is not smaller than 50 mm.
According to the split structure of the assembly type step foundation with the steel structure, the steel bar mesh is arranged in the first step of the assembly type step foundation, and the distance between the first step and the bottom surface and the distance between the first step and the side surface are both 30-50 mm, and the steel bar mesh is located inside the first step.
The split structure of the fabricated steel structure stepped foundation is characterized in that a first reserved steel pipe column hole is formed in the middle of a second step of the fabricated stepped foundation, and the width of the first reserved steel pipe column hole is 20-40 mm larger than that of a steel pipe column.
The split structure of assembled steel construction step type basis, the top surface of second step sets up second step top recess, the width of second step top recess is greater than third step width 20 ~ 40 mm.
The split structure of assembled steel construction step type basis, the bottom surface of second step sets up second step bottom recess, the width of second step bottom recess is greater than the width 20 ~ 40mm of bottom end steel sheet, the degree of depth of second step bottom recess is greater than the thickness 20 ~ 40mm of bottom end steel sheet.
The split structure of the assembly type steel structure stepped foundation is characterized in that a second reserved steel pipe column hole is formed in the middle of a third step of the assembly type stepped foundation, and the width of the second reserved steel pipe column hole is the same as that of the first reserved steel pipe column hole.
According to the split structure of the fabricated steel structure stepped foundation, the steel pipe column is welded with the bottom end steel plate, the width of the bottom end steel plate is 20-40 mm larger than that of the steel pipe column, and the thickness of the bottom end steel plate is 8-12 mm; the cross section of the steel pipe column is square, circular or I-shaped, and the distance between the inner wall of the first reserved steel pipe column hole and the inner wall of the second reserved steel pipe column hole and the steel pipe column is more than 20-40 mm.
the utility model has the following characteristics and beneficial effect:
1. The utility model discloses an assembled steel construction rank type foundation structure, it is clear and definite, pass power reliably to pass the power route, compares traditional cast-in-place rank type basis, and each component of constituteing rank type foundation structure is prefabricated by the mill, and the quality is more reliable, and the prefabricated mode production of flowing water can improve raw and other materials utilization ratio, reduces the component cost.
2. The utility model discloses an assembled steel construction step type basis split structure compares traditional cast-in-place step type basis, and the construction operation is greatly simplified, reduces the construction degree of difficulty, and is not high to the constructor requirement, and is not high to the job site environmental requirement, and the construction flow is simple, and it is high-efficient to save time, improves the construction progress by a wide margin.
3. The utility model discloses an assembled steel construction step type basis split structure has advantages such as assembled concrete energy-concerving and environment-protective equally, can be better satisfy the background of green building and the requirement of modern building industrialization at present.
Drawings
Fig. 1 is a three-dimensional view of a first step of an assembled stepped foundation.
Fig. 2 shows the reinforcing mat in the first step.
Fig. 3 is a top three-dimensional view of the fabricated step-foundation second step.
Fig. 4 is a bottom three-dimensional view of the second step of the fabricated stepped base.
Fig. 5 is a three-dimensional view of a first step of the fabricated stepped foundation.
Fig. 6 is a three-dimensional view of the steel pipe column and the floor end steel plate.
Fig. 7 is a three-dimensional view of fig. 6 with the steel pipe column and the bottom end steel plate attached to fig. 1.
Fig. 8 is a three-dimensional view of the second step being mounted to fig. 7.
Fig. 9 is a three-dimensional view of the third step mounted to fig. 8.
In the figure, 1 a first step; 2 a first step groove; 3, reinforcing mesh; 4 a second step; 5, reserving a steel pipe column hole; 6 a second step top groove; 7 a second step bottom groove; 8 a third step; 9, reserving a second steel pipe column hole; 10, steel pipe columns; 11 bottom end steel plate; 12, grouting.
Detailed Description
As shown in fig. 1 to 9, the disassembly structure and the assembly method of the assembly type steel structure stepped foundation are as follows:
(I) Split Structure
As shown in fig. 1 to 6, the fabricated steel structure stepped base structure includes a first step 1, a second step 4, and a third step 8.
As shown in fig. 1 and 3, a first step groove 2 is arranged in a first step 1 of the fabricated stepped foundation, the depth of the first step groove 2 is greater than 100mm, the width of the first step groove 2 is greater than the width of a second step 4 by 30mm, and the thickness of the bottom surface of the first step groove 2 is not less than 50mm, so that a sufficient grouting gap is ensured between the first step 1 and the second step 4.
as shown in fig. 1 and 2, a reinforcing mesh 3 is provided inside the first step 1 of the fabricated step-type foundation at a distance of 40mm from the bottom and the side. The diameter and the interval of the reinforcing steel bars of the reinforcing steel bar net 3 are designed according to the standard of foundation and foundation, and the distance between the reinforcing steel bar net and the bottom surface and the side surface is 40mm, so that: in order to keep the mesh reinforcement 3 inside the first step 1 from corroding in contact with the soil.
As shown in fig. 3, 4 and 5, a first reserved steel pipe column hole 5 is formed in the middle of the second step 4 of the fabricated stepped foundation, and the width of the first reserved steel pipe column hole 5 is 30mm greater than that of the steel pipe column 10, so that a sufficient grouting gap is formed between the steel pipe column 10 and the second step 4.
As shown in fig. 3, a second step top groove 6 is formed on the top surface of the second step 4, and the width of the second step top groove 6 is 30mm greater than that of the third step 8, so as to ensure that the second step 4 and the third step 8 have a sufficient grouting gap.
As shown in fig. 4, the bottom surface of the second step 4 is provided with a second step bottom groove 7, the width of the second step bottom groove 7 is 30mm greater than that of the bottom end steel plate 11, and the depth of the second step bottom groove 7 is 30mm greater than that of the bottom end steel plate 11, so as to ensure that there is a sufficient grouting gap between the bottom end steel plate 11 and the second step bottom groove 7.
As shown in fig. 5, a second reserved steel pipe column hole 9 is formed in the middle of a third step 8 of the fabricated stepped foundation, and the width of the second reserved steel pipe column hole 9 is the same as that of the first reserved steel pipe column hole 5, so that a sufficient grouting gap is formed between the steel pipe column 10 and the third step 8.
As shown in fig. 6, the steel pipe column 10 is welded to the bottom end steel plate 11, the width of the bottom end steel plate 11 is 30mm larger than the width of the steel pipe column, and the thickness of the bottom end steel plate 11 is 10mm, so as to ensure the stability of the root of the steel pipe column.
The section of the steel pipe column 10 can be square, round, I-shaped and the like, and the distance between the inner walls of the first reserved steel pipe column hole 5 and the second reserved steel pipe column hole 9 and the steel pipe column 10 is more than 30 mm.
(II) assembling method
As shown in fig. 7, the first step 1 is first hoisted to a predetermined position, and then the steel pipe column 10 and the bottom end steel plate 11 of fig. 6 are hoisted to the first step groove 2 and centered.
As shown in fig. 8, the second step 4 is sleeved on the steel pipe column 10 from the top of the steel pipe column 10, and finally falls on the top surface of the first step groove 2 and is centered.
As shown in fig. 9, the third step 8 is sleeved on the steel pipe column 10 from the top of the steel pipe column 10, and finally falls on the top surface of the groove 6 at the top of the second step and is centered.
Grouting materials 12 are respectively poured between the first step 1 and the second step 4, between the second step 4 and the third step 8 and between the third step 8 and the steel pipe column 10, and the steel pipe column and the step type foundation are assembled.
The force transmission mechanism is as follows: the steel-pipe column receives the moment of flexure shear force that upper portion building structure transmitted and axial force transmits assembled step foundation, and wherein the normal stress that the moment of flexure produced bears through the reinforcing bar net of step foundation bottom, and the shear force passes through the steel-pipe column and the partial transmission of step foundation contact and bottom end steel sheet and step foundation contact, and the axial force passes through bottom end steel sheet and transmits the recess top surface of setting up in the first step, because set up bottom end steel sheet, can prevent effectively that the recess top surface from being crushed because of local compressive stress is too big.
The results of the examples show that: the assembly type steel structure stepped foundation structure and the assembly method of the utility model have clear force transmission path and reliable force transmission; each component forming the step-type foundation structure is prefabricated by a factory, the quality is more reliable, and the utilization rate of raw materials can be improved and the component cost can be reduced by the production in a flow prefabrication mode; the construction operation is simple, the requirement on constructors is not high, the time and the efficiency are saved, and the construction progress is greatly improved; the building energy-saving environment-friendly building energy-saving system has the advantages of energy conservation, environmental protection and the like, and can better meet the current background of green buildings and the industrialization requirements of modern buildings.
Claims (9)
1. The split structure of the assembled steel structure stepped foundation is characterized in that the lower end of a steel pipe column and a bottom end steel plate are of an integrated connecting structure, and the integrated connecting structure is arranged in a first step groove in a first step; the second step is sleeved between the outer side of the steel pipe column and the first step groove, and is buckled above the steel plate at the bottom end through a second step bottom groove formed in the bottom surface of the second step; the third step is sleeved between the outer side of the steel pipe column and a second step top groove formed in the top surface of the second step; gaps are reserved between the first step and the second step, between the second step and the third step and between the third step and the steel pipe column respectively, and the gaps are connected through grouting materials.
2. The split structure of an assembled steel structural step foundation of claim 1, wherein the second step protrudes from the upper surface of the first step, and the third step protrudes from the upper surface of the second step.
3. The split structure of an assembled steel structure stepped foundation according to claim 1, wherein a first step groove is provided in a first step of the assembled stepped foundation, the depth of the first step groove is greater than 100mm, the width of the first step groove is greater than the width of the second step by 30mm, and the thickness of the bottom surface of the first step groove is not less than 50 mm.
4. The split structure of the fabricated steel structure stepped foundation according to claim 1, wherein a reinforcing mesh is provided inside a first step of the fabricated stepped foundation, which is spaced from the bottom surface and the side surface by 30 to 50mm, and the reinforcing mesh is located inside the first step.
5. The split structure of the assembly type steel structure stepped foundation according to claim 1, wherein a first reserved steel pipe column hole is formed in the middle of a second step of the assembly type stepped foundation, and the width of the first reserved steel pipe column hole is 20-40 mm larger than that of the steel pipe column.
6. The split structure of the fabricated steel structure stepped foundation according to claim 1, wherein a second step top groove is formed in the top surface of the second step, and the width of the second step top groove is 20-40 mm larger than that of the third step.
7. The split structure of the fabricated steel structure stepped foundation according to claim 1, wherein the bottom surface of the second step is provided with a second step bottom groove, the width of the second step bottom groove is 20-40 mm larger than that of the bottom end steel plate, and the depth of the second step bottom groove is 20-40 mm larger than that of the bottom end steel plate.
8. The split structure of the assembly type steel structure stepped foundation according to claim 1, wherein a second reserved steel pipe column hole is formed in the middle of a third step of the assembly type stepped foundation, and the width of the second reserved steel pipe column hole is the same as that of the first reserved steel pipe column hole.
9. The split structure of the fabricated steel structure stepped foundation according to claim 1, wherein the steel pipe column is welded with a bottom end steel plate, the width of the bottom end steel plate is 20-40 mm larger than that of the steel pipe column, and the thickness of the bottom end steel plate is 8-12 mm; the cross section of the steel pipe column is square, circular or I-shaped, and the distance between the inner wall of the first reserved steel pipe column hole and the inner wall of the second reserved steel pipe column hole and the steel pipe column is more than 20-40 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164120.3U CN209760273U (en) | 2019-01-30 | 2019-01-30 | Split structure of assembled steel construction step type basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164120.3U CN209760273U (en) | 2019-01-30 | 2019-01-30 | Split structure of assembled steel construction step type basis |
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| Publication Number | Publication Date |
|---|---|
| CN209760273U true CN209760273U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920164120.3U Expired - Fee Related CN209760273U (en) | 2019-01-30 | 2019-01-30 | Split structure of assembled steel construction step type basis |
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| CN (1) | CN209760273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629588A (en) * | 2019-01-30 | 2019-04-16 | 沈阳建筑大学 | The fractionation structure and assembly method on assembling type steel structure rank type basis |
-
2019
- 2019-01-30 CN CN201920164120.3U patent/CN209760273U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629588A (en) * | 2019-01-30 | 2019-04-16 | 沈阳建筑大学 | The fractionation structure and assembly method on assembling type steel structure rank type basis |
| CN109629588B (en) * | 2019-01-30 | 2024-05-28 | 广东淘家建筑装饰工程有限公司 | Splitting structure and assembling method of assembled steel structure step type foundation |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |