CN116145803B - Box plate assembly type steel structure bottom reinforcement area module unit and construction method - Google Patents
Box plate assembly type steel structure bottom reinforcement area module unit and construction method Download PDFInfo
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- CN116145803B CN116145803B CN202310185877.1A CN202310185877A CN116145803B CN 116145803 B CN116145803 B CN 116145803B CN 202310185877 A CN202310185877 A CN 202310185877A CN 116145803 B CN116145803 B CN 116145803B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 249
- 239000010959 steel Substances 0.000 title claims abstract description 249
- 230000002787 reinforcement Effects 0.000 title claims abstract description 77
- 238000010276 construction Methods 0.000 title abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 104
- 238000003466 welding Methods 0.000 claims description 25
- 239000003351 stiffener Substances 0.000 claims description 18
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000011087 paperboard Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 241000357293 Leptobrama muelleri Species 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/08—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
Abstract
The invention relates to a box plate assembly type steel structure bottom reinforcement area module unit and a construction method thereof, wherein the structure bottom reinforcement area module unit comprises the following components: the module unit body is formed by enclosing a steel wallboard and a steel floor slab, a wallboard stiffening rib is welded on the inner side of the steel wallboard, a floor stiffening rib is welded on the bottom surface of the steel floor slab, and long bolt hole groups are formed on the stiffening ribs; the first reinforcement member comprises a wallboard reinforcement and a floor reinforcement, wherein the same long bolt hole groups corresponding to stiffening ribs are arranged on the wallboard reinforcement and the floor reinforcement, the wallboard reinforcement is connected with the stiffening ribs by the bolt groups through the corresponding long bolt hole groups, and the length of the wallboard reinforcement is shorter than that of the corresponding stiffening ribs so as to allow a certain amount of relative sliding to occur; and the second reinforcing member is vertically arranged at the corner of the module unit body and is welded with two adjacent steel wallboards. The invention has simple reinforcement structure, good energy consumption effect, obvious buckling prevention effect, high efficiency and convenience in construction and can lead the assembled steel structure of the box plate to be more stable.
Description
Technical Field
The invention relates to the field of building structure engineering, in particular to a box plate assembled steel structure, and specifically relates to a box plate assembled steel structure bottom reinforcement area module unit and a construction method.
Background
The national double-carbon strategy indicates that energy-saving low-carbon buildings should be greatly developed in urban and rural construction, and the development of green buildings is promoted. The fabricated building has the advantages of high construction speed, low production cost, high integrated integration rate and the like, and is strongly supported by China, so that the development of a novel fabricated steel structure is particularly necessary. The appearance of the box plate assembly type steel structure building system completely accords with the national development strategy and has great significance.
The box plate assembly type steel structure is formed by combining different module units; the module unit is formed by welding a floor slab and a wall body; the wall body consists of a steel wallboard, a main rib and a secondary rib which are welded on the steel wallboard, and the floor slab consists of a steel floor slab body, and the main rib and the secondary rib which are welded on the steel floor slab body. The design concept is derived from the building structure at the upper part of the ship, the building mode has the characteristics of factory production and field installation, and the construction is rapid.
However, when the assembled box board steel structure system is applied to multi-layer buildings, the stiffening steel board wall at the bottom can bear large vertical load and horizontal load, and the stiffening steel board wall at the bottom layer can generate large displacement and even damage under the action of earthquake.
Therefore, a box plate assembled steel structure bottom reinforcement area module unit with high bearing capacity, high ductility and high shock resistance is urgently needed.
Disclosure of Invention
In view of the defects of the prior art, the main purpose of the invention is to provide a box plate assembled steel structure bottom reinforcing area module unit and a construction method thereof, so as to solve the problem of insufficient vertical and transverse bearing capacity of a bottom layer of a multi-layer box plate assembled steel structure building.
The technical scheme of the invention is as follows:
the invention firstly provides a box plate assembled steel structure bottom reinforcement area module unit, which comprises:
the module unit body is formed by enclosing a steel wallboard and a steel floor slab, wallboard stiffening ribs are welded on the inner side of the steel wallboard, floor slab stiffening ribs are welded on the bottom surface of the steel floor slab, and long bolt hole groups are formed on the stiffening ribs;
the first reinforcement member comprises a wallboard reinforcement and a floor reinforcement, wherein the wallboard reinforcement and the floor reinforcement are provided with the same long bolt hole groups corresponding to the stiffening ribs, the long bolt hole groups penetrate through the corresponding long bolt hole groups to be connected with the stiffening ribs, and the length of the wallboard reinforcement is shorter than that of the corresponding stiffening ribs so as to allow a certain amount of relative sliding to occur;
and the second reinforcing members are vertically arranged at the corners of the periphery of the module unit body and are welded with two adjacent steel wallboards.
In some embodiments, the wallboard stiffener includes a T-shaped main rib, an L-shaped secondary rib, a door opening vertical stiffener, a door opening transverse stiffener, a window opening vertical stiffener, and a window opening transverse stiffener, the wallboard stiffener includes a T-shaped main rib reinforcing angle, an L-shaped secondary rib reinforcing angle, a door opening vertical stiffener, and a window opening vertical stiffener, corresponding to the T-shaped main rib, the L-shaped secondary rib, the door opening vertical stiffener, and the window opening vertical stiffener bolted connection, respectively, and the lengths of the T-shaped main rib reinforcing angle, the L-shaped secondary rib reinforcing angle, the door opening vertical stiffener, and the window opening vertical stiffener are respectively shorter than the lengths of the T-shaped main rib, the L-shaped secondary rib, the door opening vertical stiffener, and the window opening vertical stiffener.
In some embodiments, the web of the T-shaped main rib is welded on the inner side of the steel wallboard vertically, the flange plate and the web of the T-shaped main rib are provided with long bolt hole groups along the length direction of the web, the T-shaped main rib reinforcing angle steel is symmetrically arranged along the two sides of the web of the T-shaped main rib, one side of the T-shaped main rib reinforcing angle steel is provided with the long bolt hole groups corresponding to the flange plate, the other side of the T-shaped main rib reinforcing angle steel is provided with the long bolt hole groups corresponding to the web, and the T-shaped main rib is connected with the T-shaped main rib through the long bolt hole groups.
In some embodiments, the web of the L-shaped secondary rib is welded to the inner side of the steel wallboard vertically, the web of the L-shaped secondary rib is provided with a long bolt hole group along the length direction of the web of the L-shaped secondary rib, one side of the L-shaped secondary rib reinforcing angle steel is arranged back to back with the web of the L-shaped secondary rib, one side of the L-shaped secondary rib is correspondingly provided with a long bolt hole group, and the long bolt hole group is penetrated through by the bolt group to be connected with the L-shaped secondary rib.
In some embodiments, the vertical stiffening rib of the door opening is an L-shaped steel plate, the L-shaped steel plate is welded back to back on two sides of the door opening, a long bolt hole group is arranged on the steel plate surface of one side of the L-shaped steel plate parallel to the door opening along the length direction of the steel plate, vertical reinforcing angle steel of the door opening is inversely hung with the L-shaped steel plate, a long bolt hole group is correspondingly arranged on one side of the L-shaped steel plate in an inversely hung mode, and the long bolt hole group is penetrated through the bolt group and is connected with the vertical stiffening rib of the door opening.
In some embodiments, the vertical stiffening rib of the window hole comprises vertical stiffening ribs of corner parts symmetrically welded at four corners of the window hole, the vertical stiffening ribs of the corner parts are L-shaped steel plates, long bolt hole groups are arranged on the steel plate surface on one side of the vertical window hole along the length direction of the vertical stiffening ribs, the vertical through length of the vertical reinforcing angle steel of the window hole is back to back with the vertical stiffening ribs of the upper and lower corners on the same side, long bolt hole groups are correspondingly arranged on one side of the vertical stiffening ribs, and the vertical stiffening ribs penetrate through the long bolt hole groups and are connected with the vertical stiffening ribs of the upper and lower corners on the same side.
In some embodiments, the stiffening rib of the steel floor comprises a transverse main rib and a longitudinal main rib of the floor, the floor reinforcing member comprises a reinforcing angle steel of the floor, the transverse main rib of the floor and the longitudinal main rib of the floor are T-shaped steel plates, long bolt hole groups are arranged on the flange plates and the web plates which are positioned outside a certain distance at the intersection of the transverse main rib of the floor and the longitudinal main rib of the floor, the two ends of the reinforcing angle steel of the floor respectively correspond to the long bolt hole groups of the flange plates and the web plates of the two, the same long bolt hole groups are formed, and the reinforcing angle steel of the floor passes through the long bolt hole groups to be connected with the transverse main rib of the floor and the longitudinal main rib of the floor.
In some embodiments, the floor reinforcing angle steel is of a three-section structure, and is formed by welding two angle steels forming a long bolt hole group with 90 degrees and one non-perforated angle steel, and the included angle between the perforated angle steel and the non-perforated angle steel is 135 degrees.
In some embodiments, the second reinforcing member includes a reinforcing angle steel and a reinforcing angle steel, wherein the reinforcing angle steel is perpendicularly welded at a corner where two adjacent steel wallboards are connected, and the reinforcing angle steel is correspondingly welded at the top end and the bottom end of the reinforcing angle steel and is correspondingly welded with two side steel wallboards and/or steel floor boards respectively.
The invention also provides a construction method of the box plate assembly type steel structure bottom layer module unit reinforcing system, which comprises the following steps:
s01: prefabricating a steel wallboard and a steel floor slab with stiffening ribs, a first reinforcing member and a second reinforcing member in a factory;
s02: connecting the wallboard reinforcement and the wallboard stiffening rib through a bolt group and a long bolt hole group, and connecting the floor reinforcement and the floor stiffening rib through a bolt group and a long bolt hole group;
s03: surrounding and welding four steel wall plates with stiffening ribs, and welding and reinforcing two adjacent steel wall plates through a second reinforcing member;
s04: and respectively welding the steel floor with the stiffening ribs with four steel wallboards with the stiffening ribs, and correspondingly welding the stiffening ribs on the steel floor with the stiffening ribs on the steel wallboards.
Compared with the prior art, the invention has the beneficial effects that: the module unit of the bottom reinforcing area of the box plate assembly type steel structure provided by the invention has the advantages of high bearing capacity, good ductility and anti-seismic performance, simple reinforcing structure, good energy consumption effect, obvious buckling prevention effect, high efficiency and convenience in construction and capability of enabling the box plate assembly type steel structure to be more stable. Specifically, it has at least the following practical effects:
according to the invention, the wallboard stiffening ribs and the wallboard reinforcing members, and the floor stiffening ribs and the floor reinforcing members are fixed only through the bolt groups by arranging the long bolt hole groups, and the whole is reinforced by a method of increasing the moment of inertia to increase the out-of-plane rigidity.
The length of the wallboard reinforcement provided by the invention is shorter than that of the wallboard stiffening rib, and a certain amount of relative sliding can be generated through the reserved distance of the long bolt hole during an earthquake, so that the energy brought by the earthquake is effectively dissipated.
The reinforcing members are arranged along the webs of the T-shaped main ribs and the L-shaped secondary ribs on the inner side of the wallboard, so that the out-of-plane deformation of the webs of the T-shaped main ribs and the L-shaped secondary ribs can be effectively restrained, and the buckling prevention effect is achieved.
The reinforcing member and the bolts can be prefabricated in factories, and the reinforcing member is directly connected with the wallboard stiffening rib and the floor stiffening rib through the bolts during site construction, so that other equipment is not needed, and the construction is convenient and efficient.
The invention flexibly arranges the reinforcing members aiming at the wallboard stiffening ribs and the floor stiffening ribs in different forms, and has good feasibility.
It should be understood that the implementation of any of the embodiments of the invention is not intended to simultaneously possess or achieve some or all of the above-described benefits.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, but rather by the claims.
FIG. 1 is a schematic view of the overall structure of a box plate assembled steel structure bottom reinforcement section modular unit according to one embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of a box-panel assembled steel structure bottom reinforcement section modular unit according to one embodiment of the present invention;
FIG. 3 is a schematic view of the welding of a steel wall panel with open holes, a steel wall panel with open windows and a steel wall panel without open holes according to an embodiment of the present invention;
FIG. 4 is a schematic view of the overall structure of a steel wall panel for door opening according to an embodiment of the present invention;
FIG. 5 is a front view of FIG. 4;
FIG. 6 is a schematic diagram of the key node configuration of FIG. 4;
FIG. 7 is a schematic view of the overall structure of a fenestration steel wall panel in accordance with one embodiment of the present invention;
FIG. 8 is a front view of FIG. 7;
FIG. 9 is a side view of FIG. 7;
FIG. 10 is a schematic diagram of the key node configuration of FIG. 7;
FIG. 11 is a schematic view of the overall structure of an unperforated steel wall panel according to an embodiment of the present invention;
FIG. 12 is a side view of FIG. 11;
FIG. 13 is a schematic view of the overall structure of a steel floor slab according to one embodiment of the present invention;
FIG. 14 is a top view of FIG. 13;
FIG. 15 is a schematic view of a floor reinforcing angle according to one embodiment of the present invention;
FIG. 16 is a schematic view of a second reinforcement member according to one embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the embodiments and the accompanying drawings. The exemplary embodiments of the present invention and their descriptions herein are for the purpose of explaining the present invention, but are not to be construed as limiting the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be understood that the terms "comprises/comprising," "consists of … …," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product, apparatus, process, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product, apparatus, process, or method as desired. Without further limitation, an element defined by the phrases "comprising/including … …," "consisting of … …," and the like, does not exclude the presence of other like elements in a product, apparatus, process, or method that includes the element.
It is further understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate describing the present invention and to simplify the description, and do not indicate or imply that the devices, components, or structures referred to must have a particular orientation, be configured or operated in a particular orientation, and are not to be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The implementation of the present invention will be described in detail with reference to the preferred embodiments.
Referring to fig. 1 and 2, one embodiment of the present invention first provides a box-panel assembled steel structure bottom reinforcement section module unit 100 including a module unit body, a first reinforcement member, and a second reinforcement member. The box plate assembly type steel structure bottom reinforcing area module unit 100 is arranged at the bottom of the multi-layer box plate assembly type steel structure building as a bottom layer and is used for reinforcing the vertical bearing capacity and the horizontal bearing capacity of the bottom of the multi-layer box plate assembly type steel structure building.
Specifically, the module unit body is enclosed by steel wallboard 1 and steel floor 2 and closes to the inboard welding of steel wallboard 1 has the wallboard stiffening rib, and the welding of the bottom surface of steel floor 2 has the floor stiffening rib, has all offered long bolt hole crowd on wallboard stiffening rib and the floor stiffening rib and has been used for connecting first reinforcement member.
The invention does not limit the concrete number of the long bolt hole group, and the concrete number is determined by the lengths of the wallboard stiffening rib and the floor stiffening rib of the concrete construction building.
Referring to fig. 2, the first reinforcement member includes a wallboard reinforcement 3 and a floor reinforcement 4, and long bolt hole groups corresponding to the wallboard reinforcement and the floor reinforcement on the wallboard reinforcement 3 and the floor reinforcement 4 are provided with long bolt hole groups of the same form, and are connected with the wallboard reinforcement and the floor reinforcement through the corresponding long bolt hole groups by a bolt group 5.
In the invention, the length of the wallboard reinforcement 3 is shorter than that of the corresponding wallboard stiffening rib, so that a certain amount of relative sliding can occur between the wallboard reinforcement 3 and the wallboard stiffening rib when the vertical load comes, and partial energy loss is counteracted. The relative sliding distance is consistent with the length of the long bolt hole.
In one embodiment, referring to fig. 2 and 3, the steel wallboard 1 of the module unit body includes a steel wallboard with a door opening hole, a steel wallboard with a window opening hole and a steel wallboard without a hole, and the steel wallboard with a door opening hole, the steel wallboard with a window opening hole and the steel wallboard without a hole are welded together to form a wall structure, wherein the steel wallboard with a door opening hole and the steel wallboard without a hole are oppositely arranged, and the two steel wallboards with a window opening hole are oppositely arranged.
Referring to fig. 4 to 6, a T-shaped main rib 101, L-shaped sub-ribs 102, a door opening vertical stiffening rib 103, a door opening transverse stiffening rib 104 and a door opening vertical cutting rib 105 are welded on the inner side of a door opening steel wallboard, wherein the T-shaped main rib 101 is welded along the middle position of the wallboard, the L-shaped sub-ribs 102 are welded along the two sides of the T-shaped main rib 101, the door opening vertical stiffening rib 103 is welded along the two sides of the door opening edge in a full length manner, the door opening transverse stiffening rib 104 is welded along the top edge of the door opening, and the door opening vertical cutting rib 105 is symmetrically welded above the door opening transverse stiffening rib 104.
In this embodiment, the T-shaped main rib 101, the L-shaped secondary rib 102 and the door opening vertical stiffening rib 103 are respectively and correspondingly connected with a T-shaped main rib reinforcing angle 301, an L-shaped secondary rib reinforcing angle 302 and a door opening vertical reinforcing angle 303, so as to enhance the overall strength of the door opening steel wallboard.
With continued reference to fig. 4 to 6, the web of the T-shaped main rib 101 is welded vertically to the inner side of the steel wallboard of the door opening hole, 5 long bolt holes are uniformly formed in the flange plate and the web of the T-shaped main rib 101 along the length direction of the web, the long bolt holes on the flange plate are arranged in pairs along two sides of the web, the T-shaped main rib reinforcing angle steel 301 is symmetrically arranged along two sides of the web of the T-shaped main rib 101, one side of the T-shaped main rib reinforcing angle steel 301 is provided with the long bolt holes in the same form corresponding to the long bolt holes on the flange plate of the T-shaped main rib, the other side of the T-shaped main rib reinforcing angle steel 301 is provided with the long bolt holes in the same form corresponding to the long bolt holes on the web of the T-shaped main rib, and the T-shaped main rib reinforcing angle steel 301 is connected with the T-shaped main rib 101 through the long bolt hole group 5.
In this embodiment, the length of the T-shaped main rib reinforcing angle 301 is shorter than that of the T-shaped main rib 101 to facilitate the relative slip deformation during energy consumption.
The web of L shape secondary rib 102 welds perpendicularly in opening a door the hole steel wallboard inboard, and 5 longbolt holes have evenly been seted up along its length direction to the web of L shape secondary rib 102, and one side of L shape secondary rib reinforcing angle steel 302 sets up with the web back to back of L shape secondary rib 102 to lean against the longbolt hole that L shape secondary rib 102 one side corresponds on the web of L shape secondary rib and put the longbolt hole of the same form, L shape secondary rib reinforcing angle steel 302 passes longbolt hole crowd through bolt crowd 5 and is connected with L shape secondary rib 102.
In this embodiment, the length of the L-shaped secondary rib reinforcing angle 302 is shorter than the length of the L-shaped secondary rib 102 to facilitate the relative slip deformation during energy consumption.
The vertical stiffening rib 103 of door opening is L shape steel sheet, the back-to-back logical long welding is in the door opening both sides, 5 longbolt holes have evenly been seted up along its length direction on the steel sheet face of the parallel door opening of L shape steel sheet one side, the vertical reinforcing angle steel 303 of door opening sets up with L shape steel sheet is hung upside down, the steel sheet medial surface that the parallel door opening one side of L shape steel sheet was hugged closely to a face of the vertical reinforcing angle steel 303 of door opening sets up, another face sets up towards the L shape steel sheet outside, the vertical reinforcing angle steel 303 of door opening hugs closely L shape steel sheet one side and corresponds to be equipped with the longbolt hole of the same form, the vertical reinforcing angle steel 303 of door opening passes long bolt hole crowd and is connected with the vertical stiffening rib 103 of door opening through bolt crowd 5.
In this embodiment, the length of the door opening vertical reinforcing angle 303 is shorter than the length of the door opening vertical stiffener 103, so as to facilitate the relative sliding deformation during energy consumption.
Referring to fig. 7 to 10, a large window is formed in the middle of the window steel wallboard, a small window is symmetrically formed on two sides of the window steel wallboard, a T-shaped main rib 101 is welded between the large window and the small window on the inner side of the window steel wallboard, window vertical stiffening ribs are welded on the large window and the small window, and window transverse stiffening ribs 107 are welded on the top edges of the openings of the large window and the small window.
In this embodiment, the T-shaped main rib 101 and the vertical stiffening rib of the window hole are respectively and correspondingly connected with a T-shaped main rib reinforcing angle 301 and a vertical stiffening angle 304 of the window hole, for enhancing the overall strength of the steel wallboard of the window hole.
Referring to fig. 7 to 10, the welding manner of the T-shaped main rib 101 on the steel wall plate for opening the window and the connection manner with the T-shaped main rib reinforcing angle 301 are identical to those of the T-shaped main rib 101 on the steel wall plate for opening the window, and the present invention will not be described in detail herein.
The vertical stiffening rib in the window hole includes the vertical stiffening rib 106 of symmetry welding at the bight vertical stiffening rib 106 in big window and little window hole four corners, the vertical stiffening rib 106 in bight is L shape steel sheet, the bight vertical stiffening rib 106 in window hole four corners sets up along the direction that deviates from window hole one side, the one side of the vertical wallboard in every bight vertical stiffening rib 106 all is equipped with 1 department long bolt hole along its length direction, the vertical stiffening rib 106 in two corners is back to back about window hole vertical reinforcement angle 304 general length and the homonymy sets up, the long bolt hole that leans against the vertical stiffening rib 106 in bight one side and corresponds the vertical stiffening rib 106 in bight is equipped with the long bolt hole of the same form, the vertical stiffening angle 304 in window hole passes long bolt hole crowd and is connected with the vertical stiffening rib 106 in two corners about the homonymy through bolt crowd 5.
In this embodiment, the bottom of the vertical reinforcing angle 304 for the window hole is flush with the bottom of the vertical stiffening rib 106 for the corner that the downside set up, and the top of the vertical reinforcing angle 304 for the window hole is shorter than the top of the vertical stiffening rib 106 for the corner that the upside set up, so as to facilitate the relative sliding deformation during energy consumption.
Referring to fig. 7 to 10, the window hole stiffening rib further comprises a window hole vertical cutting rib 108 welded at the middle position of the top and the bottom of the large window hole, the window hole vertical cutting rib 108 is an L-shaped steel plate, 2 long bolt holes are formed in one face of the vertical wall plate of the window hole vertical cutting rib 108 arranged at the bottom of the large window hole along the length direction of the vertical wall plate, the window hole vertical reinforcing angle steel 304 and the window hole vertical cutting rib 108 arranged at the bottom of the large window hole are arranged back to back, the window hole vertical reinforcing angle steel 304 is provided with long bolt holes of the same form back to the window hole vertical cutting rib 108, and one side of the window hole vertical reinforcing angle steel 304 is connected with the window hole vertical cutting rib 108 through the bolt group 5 passing through the long bolt hole group.
In this embodiment, the length of the vertical reinforcing angle 304 is shorter than the length of the vertical truncated rib 108 of the window hole along the bottom of the large window, so as to facilitate the relative sliding deformation during energy consumption.
Referring to fig. 11 and 12, the inner side of the steel wallboard without holes is welded with a T-shaped main rib 101 and L-shaped sub ribs 102, wherein the T-shaped main rib 101 is welded along the middle position, and the L-shaped sub ribs 102 are welded along both sides of the T-shaped main rib 101.
In this embodiment, the T-shaped main rib 101 and the L-shaped secondary rib 102 are respectively and correspondingly connected with a T-shaped main rib reinforcing angle 301 and an L-shaped secondary rib reinforcing angle 302, which are used for enhancing the overall strength of the steel wallboard without holes.
The welding manner of the T-shaped main rib 101 and the L-shaped sub rib 102 on the non-perforated steel wall plate and the connection manner of the T-shaped main rib reinforcing angle 301 and the L-shaped sub rib reinforcing angle 302 are identical to those of the T-shaped main rib 101 and the L-shaped sub rib 102 on the door-open steel wall plate, and the present invention is not described in detail herein.
In this embodiment, the reinforcing members are installed along the webs of the T-shaped main rib 101 and the L-shaped secondary rib 102 on the inner sides of the door opening steel wallboard, the window opening steel wallboard and the non-opening steel wallboard, so that the out-of-plane deformation of the webs of the T-shaped main rib 101 and the L-shaped secondary rib can be effectively inhibited, and the buckling prevention effect is achieved.
In one embodiment, referring to fig. 13 to 15, a steel floor bottom surface is welded with a floor transverse main rib 201, a floor longitudinal main rib 202 and a floor secondary rib 203, the floor transverse main rib 201 and the floor longitudinal main rib 202 are welded on the steel floor bottom surface vertically in a transverse and longitudinal crossing manner, and the floor secondary rib 203 is welded uniformly along both sides of the floor transverse main rib 201 and the floor longitudinal main rib 202.
In this embodiment, the corners of the transverse main floor rib 201 and the longitudinal main floor rib 202 are connected with floor reinforcing steel bars 401, and one side of each floor reinforcing steel bar 401 is connected with the transverse main floor rib 201, and the other side is connected with the longitudinal main floor rib 202.
In this embodiment, the floor sub-ribs 203 and the floor longitudinal main ribs 202 are welded by an open welding mode, and the floor sub-ribs 203 and the floor transverse main ribs 201 are normally welded.
The transverse main rib 201 and the longitudinal main rib 202 of the floor are T-shaped steel plates, 2 long bolt holes are formed in flange plates and webs outside a certain distance at the intersection of the transverse main rib 201 and the longitudinal main rib 202 of the floor, the two ends of the floor reinforcing angle steel 401 are respectively provided with long bolt holes in the same form corresponding to the positions of the long bolt holes of the flange plates and the webs of the transverse main rib 201 and the longitudinal main rib 202 of the floor, and the floor reinforcing angle steel 401 is connected with the transverse main rib 201 and the longitudinal main rib 202 of the floor through a bolt group 5 passing through the long bolt hole group.
Referring to fig. 15, the floor reinforcing angle 401 in this embodiment is of a three-section structure, and is formed by welding two angle steels which are 90 ° apart from each other along two sides with 2 long bolt holes and one non-perforated angle steel, and the angle between the perforated angle steel and the non-perforated angle steel is 135 °
Referring to fig. 3 and 16, the second reinforcing members are vertically disposed at the peripheral corners of the module unit body and are welded to the adjacent two steel wallboards 1. The second reinforcing member is arranged at the joint of the adjacent steel wallboards 1, so that the whole module unit is more stable, and the bearing capacity and the earthquake resistance are improved.
Referring to fig. 16, the second reinforcing member includes reinforcing steel bars 6 vertically welded at corners of two adjacent steel wallboards 1, welded at a predetermined distance along the top and bottom ends, and gap welding reserved for the reinforcing steel bars 7 to strengthen the overall stability thereof, the reinforcing steel bars 7 being welded along both side steel wallboards 1 and top steel floor boards 2 at the top ends of the reinforcing steel bars 6, and the reinforcing steel bars 7 being welded along both side steel wallboards 1 at the bottom ends of the reinforcing steel bars 6. In addition, the setting of inlaying the benefit angle steel also satisfies the construction requirement, reserves on-the-spot installation space, convenient construction.
Before construction, the reinforcing angle steel 6 and the embedded angle steel 7 are prefabricated in a factory, during construction, the reinforcing angle steel 6 is welded at the corners of two adjacent steel wallboards 1, and then the embedded angle steel 7 is welded at the top end and the bottom end of the reinforcing angle steel 6.
The overall structure construction sequence of this embodiment is as follows:
s01: prefabricating a door opening steel wallboard with stiffening ribs, a window opening steel wallboard, a non-opening steel wallboard, a steel floor with stiffening ribs, a first reinforcing member and a second reinforcing member in a factory;
s02: connecting the wallboard reinforcement and the wallboard stiffening rib through a bolt group and a long bolt hole group, and connecting the floor reinforcement and the floor stiffening rib through a bolt group and a long bolt hole group;
s03: enclosing and welding a steel wallboard with a door opening hole, two steel wallboards with windows and a steel wallboard without holes, wherein the steel wallboards with the door opening hole and the steel wallboards without holes are oppositely arranged, and the two steel wallboards with windows are oppositely arranged;
s04: welding a second reinforcing member at the corner of two adjacent steel wallboards;
s05: and respectively welding the bottom edges of the steel floor with the stiffening ribs with the door opening steel wallboard, the window opening steel wallboard and the non-opening steel wallboard, and correspondingly welding the stiffening ribs on the steel floor with the stiffening ribs on the four steel wallboards.
It is easy to understand by those skilled in the art that the above preferred embodiments can be freely combined and overlapped without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (9)
1. A boxboard assembled steel structure bottom reinforcement zone modular unit comprising:
the module unit body is formed by enclosing a steel wallboard and a steel floor slab, a wallboard stiffening rib is welded on the inner side of the steel wallboard, a floor slab stiffening rib is welded on the bottom surface of the steel floor slab, and long bolt hole groups are formed on the wallboard stiffening rib and the floor slab stiffening rib;
the first reinforcement member comprises a wallboard reinforcement and a floor reinforcement, wherein the wallboard reinforcement is provided with the same long bolt hole group corresponding to the long bolt hole group of the wallboard reinforcement, the floor reinforcement is provided with the same long bolt hole group corresponding to the long bolt hole group of the floor reinforcement, the wallboard reinforcement and the floor reinforcement respectively pass through the corresponding long bolt hole group to be connected with the wallboard reinforcement and the floor reinforcement, and the length of the wallboard reinforcement is shorter than that of the corresponding wallboard reinforcement so as to allow a certain amount of relative sliding to occur;
the second reinforcement member is vertically arranged at the peripheral corners of the module unit body and is welded with two adjacent steel wallboards; wherein the method comprises the steps of
The wallboard stiffening ribs comprise T-shaped main ribs, L-shaped secondary ribs, door opening vertical stiffening ribs and window opening vertical stiffening ribs; the web plate of the T-shaped main rib is vertically welded to the inner side of the steel wallboard; the web plate of the L-shaped secondary rib is vertically welded to the inner side of the steel wallboard; the vertical stiffening ribs of the door opening are L-shaped steel plates and are welded on two sides of the door opening back to back; the vertical stiffening ribs of the window hole comprise corner vertical stiffening ribs symmetrically welded at four corners of the window hole;
the wallboard reinforcement comprises T-shaped main rib reinforcement angle steel, L-shaped secondary rib reinforcement angle steel, door opening vertical reinforcement angle steel and window opening vertical reinforcement angle steel; the T-shaped main rib reinforcing angle steel is symmetrically arranged along two sides of a web plate of the T-shaped main rib and correspondingly connected with the T-shaped main rib through bolts; one side of the L-shaped secondary rib reinforcing angle steel is arranged back to back with the web plate of the L-shaped secondary rib and correspondingly connected with the L-shaped secondary rib through bolts; the door opening vertical reinforcing angle steel is inversely hung with the L-shaped steel plate and correspondingly connected with the L-shaped steel plate through bolts; the vertical through length of the vertical reinforcing angle steel of the window hole is in back-to-back arrangement with the vertical stiffening ribs at the upper and lower corners on the same side, and the vertical through length is correspondingly connected with the vertical stiffening ribs of the window hole through bolts; the lengths of the T-shaped main rib reinforcing angle steel, the L-shaped secondary rib reinforcing angle steel, the door opening vertical reinforcing angle steel and the window opening vertical reinforcing angle steel are respectively shorter than those of the T-shaped main rib, the L-shaped secondary rib, the door opening vertical stiffening rib and the window opening vertical stiffening rib;
the floor stiffening rib comprises a floor transverse main rib and a floor longitudinal main rib, the floor stiffening rib comprises a floor reinforcing angle steel, the floor transverse main rib and the floor longitudinal main rib are T-shaped steel plates, long bolt hole groups are arranged on flange plates and webs outside a certain distance at the intersection of the floor transverse main rib and the floor longitudinal main rib, the same long bolt hole groups are formed in the long bolt hole groups of the flange plates and the webs, which correspond to the floor reinforcing angle steel, respectively, and the floor reinforcing angle steel passes through the long bolt hole groups to be connected with the floor transverse main rib and the floor longitudinal main rib.
2. The boxboard assembled steel structure bottom reinforcement zone module unit of claim 1, wherein:
the wallboard stiffener also includes a door opening transverse stiffener and a window opening transverse stiffener.
3. The boxboard assembled steel structure bottom reinforcement zone module unit of claim 1, wherein:
the flange plate and the web plate of the T-shaped main rib are provided with long bolt hole groups along the length direction of the flange plate and the web plate, one side of the T-shaped main rib reinforcing angle steel is provided with the long bolt hole groups corresponding to the flange plate, and the other side of the T-shaped main rib reinforcing angle steel is provided with the long bolt hole groups corresponding to the web plate, and the T-shaped main rib is connected with the T-shaped main rib through the long bolt hole groups in a penetrating mode through the bolt groups.
4. The boxboard assembled steel structure bottom reinforcement zone module unit of claim 1, wherein:
the web of L shape secondary rib is equipped with long bolt hole crowd along its length direction, L shape secondary rib reinforcement angle steel is backed L shape secondary rib one side corresponds and is equipped with long bolt hole crowd, passes long bolt hole crowd through the bolt crowd and is connected with L shape secondary rib.
5. The boxboard assembled steel structure bottom reinforcement zone module unit of claim 1, wherein:
the steel plate surface of L shape steel sheet parallel door opening one side is equipped with long bolt hole crowd along its length direction, the vertical reinforcing angle steel of door opening is hung upside down L shape steel sheet one side corresponds and is equipped with long bolt hole crowd, passes long bolt hole crowd and is connected with the vertical stiffening rib of door opening through the bolt crowd.
6. The boxboard assembled steel structure bottom reinforcement zone module unit of claim 1, wherein:
the vertical stiffening rib at the corner is an L-shaped steel plate, a long bolt hole group is arranged on the steel plate surface at one side of the vertical window hole along the length direction of the steel plate surface, the vertical reinforcing angle steel back of the window hole is correspondingly provided with the long bolt hole group at one side of the vertical stiffening rib at the corner, and the vertical stiffening rib passes through the long bolt hole group through the bolt group to be connected with the vertical stiffening ribs at the upper corner and the lower corner at the same side.
7. The boxboard assembled steel structure bottom reinforcement zone module unit of claim 1, wherein:
the floor reinforcing angle steel is of a three-section structure and is formed by welding two angle steels forming a 90-degree long bolt hole group and one non-perforated angle steel, and an included angle between the perforated angle steel and the non-perforated angle steel is 135 degrees.
8. The boxboard assembled steel structure bottom reinforcement zone module unit of claim 1, wherein:
the second reinforcement member comprises reinforcing angle steel and embedded angle steel, the reinforcing angle steel is perpendicularly welded at the corner where two adjacent steel wallboards are connected, the embedded angle steel is correspondingly welded at the top end and the bottom end of the reinforcing angle steel, and the embedded angle steel is correspondingly welded with the steel wallboards and/or the steel floor boards on two sides respectively.
9. A method of constructing a box-panel assembled steel structure bottom reinforcement section modular unit according to any one of claims 1-8, comprising:
s01: prefabricating a steel wallboard and a steel floor slab with stiffening ribs, a first reinforcing member and a second reinforcing member in a factory;
s02: connecting the wallboard reinforcement and the wallboard stiffening rib through a bolt group and a long bolt hole group, and connecting the floor reinforcement and the floor stiffening rib through a bolt group and a long bolt hole group;
s03: surrounding and welding four steel wallboards with wallboard stiffening ribs, and welding and reinforcing two adjacent steel wallboards through a second reinforcing member;
s04: and respectively welding the steel floor with the floor stiffening ribs with four steel wallboards with wallboard stiffening ribs, and correspondingly welding the floor stiffening ribs on the steel floor with the wallboard stiffening ribs on the steel wallboards.
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| CN117468610B (en) * | 2023-12-27 | 2024-03-22 | 中国建筑设计研究院有限公司 | Buckling-restrained box plate type enclosure wall plate structure and design method thereof |
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