CN210887559U - Low multi-storey steel structure residential system - Google Patents

Low multi-storey steel structure residential system Download PDF

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Publication number
CN210887559U
CN210887559U CN201921462024.3U CN201921462024U CN210887559U CN 210887559 U CN210887559 U CN 210887559U CN 201921462024 U CN201921462024 U CN 201921462024U CN 210887559 U CN210887559 U CN 210887559U
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column
horizontal
steel
steel pipe
hinged
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CN201921462024.3U
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余玉洁
张超
曼孟轲
丁发兴
陈魏
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Central South University
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Central South University
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Abstract

The utility model discloses a low multi-storey steel structure residential system, which comprises a steel pipe concrete side column, a hinged upright column, a horizontal through beam and an X-shaped cross anti-side unit; each side post link up to be arranged, and the horizontal beam link up the roof beam and can dismantle and link up between adjacent side post and inside the structure, and articulated stand is vertical to be set up inside the structure, and link up the roof beam with upper and lower level in each layer and can dismantle the connection between, and anti side unit can dismantle the connection between adjacent articulated stand of part or articulated stand and side post. All the components can be prefabricated in a factory and assembled on site, all the components are detachably connected, the assembly degree is high, and the layout can be flexibly changed according to building requirements; the side columns and the hinged columns are used for vertical bearing, the anti-side units provide main structural anti-side, the bearing and anti-side function separation is realized, and the side columns and the horizontal beam nodes provide partial anti-side storage; all the parts adopt common small-size components, so that the construction cost is reduced, and the components in villages and towns and remote areas can be conveniently transported.

Description

Low multi-storey steel structure residential system
Technical Field
The utility model belongs to the technical field of building engineering, especially, relate to a low multilayer steel construction house system.
Background
At present, the urbanization proportion of China is low, low multi-layer village and town houses are mainly used for building in a large area range outside the urban area, most of the farmhouses are self-built, and the building material of the building is characterized by simple parts, on-site material selection, resident self-building and the like in a construction mode, and the integrity and the earthquake resistance are poor; from the structural characteristics, the high-rise building is mostly a 1-3-storey low-rise building, the use function and the load type are simpler, and the materials are mostly in a raw soil, red brick, bamboo wood or stone soil structure.
In recent years, the improvement of villages and towns and the construction plan of beautiful villages are developed in China, and the integral improvement and improvement of village and town buildings and planning are carried out so as to improve the living conditions of people. Meanwhile, on the background that the earthquake-resistant requirement of China on the building structure is gradually improved, the characteristics of using functions of the house suitable for villages and small towns are researched and developed, the house has good lateral earthquake-resistant performance, and the low-cost and rapid-assembly and rapid-construction low-rise fabricated steel structure house has very important practical significance.
The existing village and town steel structure houses mostly adopt a cold-formed thin-wall structure system, and the main structure of the cold-formed thin-wall structure system adopts a light steel keel framework and is matched with a light steel keel composite wallboard. Light gauge steel composite wall board is as vertical bearing wall among this structural system, leads to inside wallboard construction to accomplish the back and can not change at will or demolish, leads to the house service function to receive the restriction.
And when adopting traditional frame construction as low multilayer villages and small towns house skeleton, the beam column component still need provide sufficient anti lateral stiffness except that need satisfy vertical bearing, and component and node need can provide sufficient bending resistance bearing capacity, therefore the size is great, leads to the construction cost higher, and is restricted in rural area and villages and small towns popularization. And when the frame steel structure is applied, the nodes mostly need to be rigidly connected so as to provide enough structural rigidity and lateral resistance, the requirement on node construction is high, the construction quality in village and town areas is often difficult to guarantee, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide one kind and can satisfy villages and small towns residential structure's use and atress demand, and the low multilayer steel construction residential system of higher, the simple and convenient and reduction cost of construction of assemblization degree.
The utility model provides a low multi-storey steel structure residential system, which comprises a steel pipe concrete side column, a hinged upright post, a horizontal through beam and an X-shaped cross anti-side unit; each steel pipe concrete side column is vertically arranged, each horizontal through beam comprises a side beam and a middle beam, the side beams are detachably connected between two adjacent steel pipe concrete side columns, and the middle beams are connected between two adjacent side beams; the hinged upright posts are vertically arranged, and two ends of the hinged upright posts are detachably connected with the upper horizontal through beam and the lower horizontal through beam respectively; the X-shaped cross anti-side unit is detachably connected between the adjacent hinged columns or between the hinged column and the side column.
The steel pipe concrete side column is a square steel pipe, concrete is filled in the square steel pipe, a high-strength bolt is pre-buried in the steel pipe concrete side column, and the steel pipe concrete side column is vertically arranged in a through manner; the horizontal through beam is an I-shaped steel beam, positioning holes are formed in the upper wing plate and the lower wing plate of the I-shaped steel beam, two ends of the I-shaped steel beam are welded with end plates, and stiffening rib plates are welded among the connecting end plates, the upper wing edge and the lower wing edge; the horizontal through beam is connected with the steel pipe concrete side column through a pre-buried high-strength bolt and a nut in a matched mode through a connecting end plate at the end portion of the horizontal through beam.
The hinged upright column comprises a hollow steel pipe and end plates, and the end plates are welded at two ends of the square steel pipe column; the hinged upright posts are respectively connected with the horizontal through beams at the upper side and the lower side through end plates at the two ends.
Two pairs of stiffening rib plates are arranged between the upper wing plate and the lower wing plate of the horizontal through beam at the positions where the hinged upright posts are arranged.
The X-shaped cross anti-side unit is composed of a pair of X-shaped cross diagonal draw bars, each diagonal draw bar comprises a tensioning member and a draw bar main body connected to two ends of the tensioning member, and an anchor head is arranged at the outer end of each draw bar main body.
The tensioning member is a turn buckle, and the main body of the pull rod is a steel strand or deformed steel bar.
The X-shaped cross anti-side unit is connected with the hinged upright post or the steel pipe concrete side post through a connecting rib plate, a connecting hole is formed in the connecting rib plate, the connecting rib plate is welded between the end plate and the hinged upright post, and the diagonal draw bar is connected with the connecting rib plate through a pin shaft by virtue of an anchor head of the diagonal draw bar.
The utility model prefabricates each steel component in a factory, then arranges the prefabricated steel pipe concrete side column square steel pipe on a construction site, pours concrete into the square steel pipe and maintains the square steel pipe to the initial strength; hoisting the horizontal through beams, detachably connecting the horizontal through beams between the side columns to form a main frame, and detachably connecting the hinged upright columns layer by layer between an upper horizontal through beam and a lower horizontal through beam or between the horizontal through beams and a foundation; and connecting X-shaped cross-bracing anti-side units between adjacent hinged columns in part of wall body areas in the structure or between the hinged columns and the steel pipe concrete side columns by adopting connecting rib plates and pin shaft type anchor heads, and finally filling the wallboard. On one hand, all the components can be assembled on a construction site after being prefabricated in a factory, all the components are detachably connected, the assembly degree is high, the construction period is shortened, and the later-stage structure adjustment can be conveniently carried out; on the other hand, the separation of bearing and anti-side functions is realized through the arrangement of the anti-side units, the concrete filled steel tube side columns and the hinged stand columns are used for vertical bearing, and the anti-side units provide main structure anti-side; and the connecting node of the horizontal through beam and the side column can be used as the anti-side function storage of the structure; and the utility model discloses each part all adopts common small-size component and members such as the rigid pull rod on the market, can effectively reduce construction cost, and be convenient for villages and small towns and outlying regional component transportation.
Drawings
Fig. 1 is a schematic layout of a preferred embodiment of the present invention.
Fig. 2 is a schematic sectional view of a concrete filled steel tube side column.
Fig. 3 is a schematic view of the end plate bolt connection node of the horizontal through beam and the concrete filled steel tube side column in the preferred embodiment.
Fig. 4 is a schematic layout of the hinge pillar and the X-shaped cross anti-lateral unit in the preferred embodiment.
Fig. 5 is an enlarged schematic view of a connection node of the hinge column, the horizontal through beam and the X-shaped cross anti-side unit in the preferred embodiment.
Sequence numbers of the drawings:
1-steel pipe concrete side column, 11-square steel pipe, 12-filling concrete;
2, horizontally penetrating a beam;
3-hinged column, 31-hollow steel tube, 32-end plate, 33-bolt;
4-X type cross resists the side unit, 41-anchor head, 42-tension member, 43-main body of tie rod, 44-the connection rib plate;
5, connecting end plates; 6-stiffening rib plate; 7-high strength bolt; 8-vertical stiffening rib plate.
Detailed Description
The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the low-rise steel structure residential system disclosed in this embodiment includes a concrete filled steel tubular jamb 1, a horizontal through beam 2, a hinge column 3, and a cross-bracing anti-side unit 4.
As shown in fig. 2, the steel pipe concrete side column 1 is formed by filling concrete 12 in a square steel pipe 11, the square steel pipe 11 is selected within 100-200 mm according to the side length of the stress requirement, Q235 or Q355 steel is selected according to the different stress requirements, and a through hole is formed in the side wall of the square steel pipe; the in-situ concrete 12 is cast in situ, the strength grade of the concrete is between C20 and C40, a high-strength bolt 7 is embedded in the square steel tube 11 before the inner core is cast, and the head of the bolt extends out of the through hole so as to be connected with the connecting end plate 5 of the horizontal through beam 2.
As shown in fig. 3 and 4, the horizontal through beam 2 is an i-shaped steel beam, two ends of the beam are fixedly connected with connecting plate end plates 5, four corners of each connecting plate are provided with through holes, and a stiffening rib plate 6 is arranged between each connecting plate and the horizontal through beam; the horizontal through beam is connected with the end plate through the end portion of the horizontal through beam and is fixedly connected with the steel pipe concrete side column 1 through bolts, the end plate connecting node is simple and convenient to construct, certain rotation rigidity and bending moment bearing capacity are achieved, and side anti-seismic performance storage of the whole structure can be provided.
The upper wing plate and the lower wing plate of the horizontal through beam 2 are reserved with positioning holes for installing the hinged upright posts 3, and two pairs of vertical stiffening rib plates 8 are welded between the two wing plates corresponding to the side wall area of the square steel tube of the hinged upright posts to ensure the transmission of vertical loads and the strength of the whole framework.
As shown in fig. 4, the hinged column 3 is composed of a hollow steel pipe 31 and two end connecting plates 32, the main body of the hinged column is made of square steel, the width of the hollow steel pipe is selected between 80 mm and 150mm according to the vertical bearing stress requirement, and the wall thickness is selected within the range of 4mm to 12mm according to the stress requirement; the two ends of the connecting end plate 32 and the two ends of the hollow steel pipe 31 are welded, mounting holes are formed in the four corners of the connecting end plate, and the hinged stand column connecting end plate 32 is connected with a wing plate of the horizontal through beam 2 through a plurality of bolts 33.
As shown in fig. 4 and 5, the anti-side unit 4 includes a pair of diagonal members arranged in an X-shape. The diagonal draw bar comprises an anchor head 41, a tension member 42, a draw bar main body 43, a connecting rib plate 44, a tension member 412 and an anchor head 413; the pull rod main body 43 is made of a steel strand, a rigid pull rod or a twisted steel bar with the diameter of 7-20 mm, and anchor heads are arranged at two ends of the pull rod; the tension member 42 is a turnbuckle; during installation, the two pull rod main bodies are respectively arranged at two ends of the turn buckle, the anchor head at the other end of each pull rod main body is connected with the pin shaft of the connecting rib plate, tensioning is achieved through the turn buckle after installation is completed, and the pair of diagonal draw bars are arranged in an X-shaped staggered manner and are connected between the hinged upright columns or the hinged upright columns and the steel pipe concrete side columns which are adjacently arranged at the inner part of the structure.
As shown in fig. 5, connecting rib plates are welded at two ends of the hinge upright post required to be connected with the anti-side unit, and the connecting rib plates are welded with the connecting end plates of the hinge upright post.
All components in the system can be assembled on a construction site after being prefabricated in a factory, all the components are detachably connected, the assembly degree is high, the construction period is shortened, and the later-stage structure adjustment can be conveniently carried out; on the other hand, the separation of bearing and anti-side functions is realized through the arrangement of the X-shaped cross anti-side units, the concrete filled steel tube side columns and the hinged stand columns are used for vertical bearing, and the X-shaped cross anti-side units provide main structure anti-side; the connecting joint of the horizontal through beam and the steel pipe concrete side column can be used as the anti-side function storage of the structure; in addition, in the embodiment, all the components are small-size components, rigid pull rods and other components which are common in the market, so that the construction cost can be effectively reduced, and the components in villages and towns and remote areas can be conveniently transported.
The implementation of the scheme is carried out according to the following steps,
firstly, prefabricating each part in a pre-manufactured way,
a. prefabricating a steel pipe concrete side column and a horizontal through beam, selecting the model of a square steel pipe, selecting the model of an I-shaped steel beam, welding a connecting end plate and a stiffening rib plate at two ends of the I-shaped steel beam, and welding 2 pairs of stiffening rib plates at the position where a hinged upright column is arranged;
b. prefabricating a hinged upright column, selecting the type of a hollow steel pipe, and welding end plates at two ends of the hollow steel pipe;
c. and prefabricating the anti-side unit, arranging a pair of diagonal draw bars in an X shape, arranging anchor heads at the outer ends of the diagonal draw bars, and connecting the inner parts of the draw bars into turn bolts.
And secondly, transporting each prefabricated part to a construction site.
And thirdly, vertically arranging the square steel tubes of the steel tube concrete side columns, pouring concrete into the square steel tubes, and maintaining the square steel tubes to the initial strength.
And fourthly, hoisting the horizontal through beam, arranging a temporary bracket at the position, corresponding to the installation position of the horizontal through beam, on the concrete filled steel tube side column, detachably connecting the horizontal through beam between the concrete filled steel tube side columns to form a main frame, and hoisting the horizontal through beam in place on site and then screwing the horizontal through beam by adopting the matching of bolts and nuts.
Fifthly, detachably connecting the hinged upright posts between the upper horizontal through beam and the lower horizontal through beam or between the horizontal through beam and the foundation; and hoisting the hinged column to a preset position, and fastening and connecting the hinged column connecting end plate with the horizontal through beam flange plate through a plurality of bolts.
And sixthly, connecting X-shaped cross-bracing lateral resisting units between adjacent hinged columns in partial wall body areas in the structure or between the hinged columns and the steel pipe concrete side columns by adopting connecting rib plates and pin shaft type anchor heads, and tensioning by using tensioning members.
The seventh step: after the construction of the integral steel structure framework is finished, the wall body can be filled by adopting an assembled wallboard or a light building block at the position of the house wall body.
This preferred embodiment adopts the assembled construction method to install, can dismantle the connection between each part component, and the installation is swift convenient, and the dismouting maintenance and the change of being convenient for, and reduces the requirement to the site operation, is convenient for improve construction quality, and this embodiment still has following advantage:
1. the separation of vertical bearing and main horizontal anti-side system is realized through the setting of the X-shaped cross anti-side unit, wherein the beam column full bolt node and the anti-side unit provide dual anti-side guarantee for the house steel structure. The concrete filled steel tube side column and the internal hinged stand column in the system all adopt small-section components, and the use requirement that the structural column is hidden in the wall body can be realized under the requirement of meeting the vertical bearing stress.
2. The cross flexible diagonal draw bars are adopted to form the lateral-resisting units, which are the main lateral-resisting sources of the village and town house structure, the structure is simple, the material selection is convenient, and the lateral-resisting rigidity and the seismic performance are higher without increasing too many structural members and steel consumption. And the connection mode is bolted connection, and the overall arrangement sets up in a flexible way, can guarantee to adjust the braced frame position according to the demand under the whole atress condition of structure in order to carry out nimble adjustment to house internal layout under the condition that does not change house overall structure.
3. All the connecting nodes are connected by bolts, so that full-assembly construction can be realized; the steel pipe concrete side column and the horizontal through beam are connected through end plate bolts with stiffening ribs, certain node rigidity and bending resistance can be provided, the steel pipe concrete side column and the horizontal through beam are used as integral structure side resistance performance storage, and the steel pipe concrete side column and the horizontal through beam are used as a second earthquake-proof defense line under the action of a large earthquake or after a hinged support frame is damaged.

Claims (7)

1. A low multilayer steel construction house system which characterized in that: the steel pipe concrete side column comprises a steel pipe concrete side column, a hinged upright column, a horizontal through beam and an X-shaped cross anti-side unit;
the steel pipe concrete side columns are vertically arranged,
the horizontal through beam comprises an edge beam and a middle beam, the edge beam is detachably connected between two adjacent steel pipe concrete edge columns, and the middle beam is connected between two adjacent edge beams;
the hinged upright posts are vertically arranged, and two ends of the hinged upright posts are detachably connected with the upper horizontal through beam and the lower horizontal through beam respectively;
the X-shaped cross anti-side unit is detachably connected between the adjacent hinged columns or between the hinged column and the side column.
2. The low multi-storey steel structural housing system of claim 1, wherein: the steel pipe concrete side column is a square steel pipe, concrete is filled in the square steel pipe, a high-strength bolt is pre-buried in the steel pipe concrete side column, and the steel pipe concrete side column is vertically arranged in a through manner; the horizontal through beam is an I-shaped steel beam, positioning holes are formed in the upper wing plate and the lower wing plate of the I-shaped steel beam, two ends of the I-shaped steel beam are welded with end plates, and stiffening rib plates are welded among the connecting end plates, the upper wing edge and the lower wing edge; the horizontal through beam is connected with the steel pipe concrete side column through a pre-buried high-strength bolt and a nut in a matched mode through a connecting end plate at the end portion of the horizontal through beam.
3. The low multi-storey steel structural housing system of claim 2, wherein: the hinged upright column comprises a hollow steel pipe and end plates, and the end plates are welded at two ends of the square steel pipe column; the hinged upright posts are respectively connected with the horizontal through beams at the upper side and the lower side through end plates at the two ends.
4. A low multi-storey steel structural housing system according to claim 3 wherein: two pairs of stiffening rib plates are arranged between the upper wing plate and the lower wing plate of the horizontal through beam at the positions where the hinged upright posts are arranged.
5. A low multi-storey steel structural housing system according to claim 3 wherein: the X-shaped cross anti-side unit is composed of a pair of X-shaped cross diagonal draw bars, each diagonal draw bar comprises a tensioning member and a draw bar main body connected to two ends of the tensioning member, and an anchor head is arranged at the outer end of each draw bar main body.
6. The low multi-storey steel structural housing system of claim 5, wherein: the tensioning member is a turn buckle, and the main body of the pull rod is a steel strand or deformed steel bar.
7. The low multi-storey steel structural housing system of claim 5, wherein: the X-shaped cross anti-side unit is connected with the hinged upright post or the steel pipe concrete side post through a connecting rib plate, a connecting hole is formed in the connecting rib plate, the connecting rib plate is welded between the end plate and the hinged upright post, and the diagonal draw bar is connected with the connecting rib plate through a pin shaft by virtue of an anchor head of the diagonal draw bar.
CN201921462024.3U 2019-09-04 2019-09-04 Low multi-storey steel structure residential system Active CN210887559U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921462024.3U CN210887559U (en) 2019-09-04 2019-09-04 Low multi-storey steel structure residential system

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Application Number Priority Date Filing Date Title
CN201921462024.3U CN210887559U (en) 2019-09-04 2019-09-04 Low multi-storey steel structure residential system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112227798A (en) * 2020-09-17 2021-01-15 重庆三峡学院 Damping device for connecting joint of assembled concrete column and newly-added steel beam

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112227798A (en) * 2020-09-17 2021-01-15 重庆三峡学院 Damping device for connecting joint of assembled concrete column and newly-added steel beam

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