CN106284788A - A kind of unilateral steel plate concrete hollow combination roof system - Google Patents
A kind of unilateral steel plate concrete hollow combination roof system Download PDFInfo
- Publication number
- CN106284788A CN106284788A CN201610829312.2A CN201610829312A CN106284788A CN 106284788 A CN106284788 A CN 106284788A CN 201610829312 A CN201610829312 A CN 201610829312A CN 106284788 A CN106284788 A CN 106284788A
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- Prior art keywords
- reinforcing bar
- roof system
- concrete
- steel
- steel plate
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/26—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with filling members between the beams
- E04B5/261—Monolithic filling members
- E04B5/265—Monolithic filling members with one or more hollow cores
Abstract
A kind of unilateral steel plate concrete hollow combination roof system that the present invention proposes, belong to nuclear power plant's large span, large space roof system and floor system field, the outward flange of this roof system is connected with the building side wall supporting this roof system, for being spliced to form middle part successively with multiple hollow prolate cube box-structures by I shape reinforcing bar concrete combination beam parallel to each other for some Pin, described I shape reinforcing bar concrete combination beam is satisfied by unidirectional independent stressed requirement, is one partly to be wrapped up the combinative structure of asymmetric i shaped steel skeleton by i shaped steel reinforced concrete；The present invention uses and exempts from stencil design, the problem both having solved civil engineering with having installed cross-operation, also accelerates construction speed simultaneously, meets the construction period of project；Also have and offer the hole for main equipment lifting temporarily and do not affect the feature of roof system entirety stress, and meet the functional requirement needed for Nuclear Power Station Factory Building roof system.
Description
Technical field
The invention belongs to nuclear power plant's large span, large space roof system and floor system field, particularly to a kind of unilateral steel plate
The structure design of concrete hollow combination roof system.
Background technology
HTGR (being called for short HTR-PM) is to have China to have independent intellectual property right, have the 4th generation of technology such as nuclear energy system peace
The advanced nuclear power heap-type of full feature, has inherent safety features, and application is extensive, and Commercial Prospect is wide.HTGR
Nuclear power station demonstration project is one of country's key special subjects, to promoting that China enters Generation Ⅳ forward position, promotes nuclear power system
Make enterprise to strengthen scientific research dynamics, attract the cohesion nuclear power talent significant.
HTGR Nuclear Power Plant demonstration project is made up of two block response heaps and corresponding two vaporizers, described reactor
It is individually positioned in reactor cabin and vaporizer cabin with vaporizer.Reactor cabin and vaporizer ship cabin arrangement are same
In reactor building.Reactor building version is generally reinforced concrete shear wall structure, at reactor building top layer, logical
The standing maintenance hall putting large span, large space, simultaneously in set overhead crane, the convenient lifting to main equipment and after using
Service work.
During Nuclear Power Station, main equipment (such as reactor pressure vessel, steam generator) is installed and is usually present
Two big class problems: one is that the time of delivery is later；Two is after equipment hoisting completes, and when installing main equipment internals, needs
Set up in maintenance hall and meet the clear area that core level requires.The roof system of reactor building is according to traditional roof system form, as general
Logical reinforced concrete roof, is primarily present following several respects problem:
Full hall scaffold must be set in maintenance hall during roof system when 1, building, be then passed through formwork, assembling reinforcement, water
Build concrete, curing concrete, after concrete reaches intensity form removal tear scaffold open, could be that maintenance hall vacating space is set up clear
Clean district.Job site workload is big, and it is complicated that civil engineering and equipment install cross-operation, and scene mostly is work high above the ground, construction period
Long；
2. the roof system built by traditional form is in the critical path of whole project duration, is that restriction civil engineering is always constructed week
The bottleneck of phase；
3., in view of there being the possibility of replacing in the main equipment in-service phase, need to consider that roof system punches problem temporarily, ordinary steel
Reinforced concrete roof system force design the most by their entirety, if punch temporarily, can affect stress and the safety of whole roof system, to hole
Around the consolidation process difficulty of roof structure is big, and costly.
In addition to modal reinforced concrete roof form, existing common steel reinforced concrete roof system equally exist formwork,
Form removals etc. cause the problem that civil engineering installs cross-operation with equipment；Existing double steel plate Combined concrete roof system, its outside plate
Being chronically exposed to as in the outdoor environment of the perishable steel plates such as strand, durability is difficult to ensure that；Existing steel structural roof then cannot
Meeting the deformation requirements under severe earthquake action and nuclear radiation shield requirement, and the ability of opposing missile load is poor, durability is same
Sample is difficult to ensure that.
Summary of the invention
The present invention is the weak point overcoming prior art, it is proposed that a kind of unilateral steel plate concrete hollow combination roof system,
This roof system can meet HTR-PM reactor building project progress and functional requirement, has and can offer for main equipment lifting temporarily
Hole and do not affect the feature of roof system entirety stress, solve civil engineering and main equipment simultaneously and complicated the asking of cross-operation be installed
Topic.
A kind of unilateral steel plate concrete hollow combination roof system that the present invention proposes, it is characterised in that the outward flange of this roof system
Being connected with the building side wall supporting this roof system, this roof system is by I shape reinforcing bar concrete combination beam parallel to each other for some Pin
With multiple hollow prolate cube box-structures in the middle part of being spliced to form successively, described I shape reinforcing bar concrete combination beam is the fullest
The unidirectional independent stressed requirement of foot.
The structure of described each Pin I shape reinforcing bar concrete combination beam is identical, all includes upper and lower asymmetrical I shape reinforcing bar
Frame, reinforcing bar and I-shaped concrete, described i shaped steel skeleton is by reinforcing bar top flange, reinforcing bar web and the connection of reinforcing bar lower flange
Becoming, reinforcing bar is uniformly provided with peg on lower flange；Wherein, under described reinforcing bar is evenly arranged in upper and lower both sides, reinforcing bar top flange, reinforcing bar
On the upside of the edge of a wing and reinforcing bar web both sides；It is additionally provided with box permanent between two adjacent i shaped steel intraskeletal reinforcing bar webs
Template, I-shaped concrete pours in the space enclosed by box permanent template and reinforcing bar lower flange, ultimately forms work
Shaped steel reinforced concrete half wraps up the combined beam structure of i shaped steel skeleton.
The feature of the present invention and beneficial effect:
1, the I shape reinforcing bar concrete combination beam in unilateral steel plate concrete hollow combination roof system is independent stressed list
Unit, and use exempt from stencil design, reinforcing bar lower flange also serves as template during casting concrete while undertaking tension, it is not necessary to press
Required formwork, form removal and set up the operations such as full hall scaffold when building according to tradition roof system form, it is only necessary in each module during construction
Inside box permanent template, assembling reinforcement and casting concrete are set after can complete unilateral steel plate concrete hollow combination room
Lid；This had both solved civil engineering and had installed the problem of cross-operation, also accelerated construction speed simultaneously, and the duration meeting project is wanted
Ask.
2, all use respectively due to every Pin I shape reinforcing bar concrete combination beam of unilateral steel plate concrete hollow combination roof system
From independent single load bearing pattern, punch when therefore can meet construction temporarily and the later stage punch the demands such as reinforcing, in addition this
Bright can realize modular construction method, accelerating construction progress, improves construction quality, reduces operating expenses.
3, traditional Rectangular Concrete beam design, the design stress more science of I shape reinforcing bar concrete combination beam are compared
Rationally, reliability is high, and material usage rationality is high and can alleviate dead load.The most unilateral steel plate concrete hollow combination design
Roof stiffness can be increased, be conducive to opposing missile load；I shaped steel reinforced concrete half wraps up the design of i shaped steel skeleton
Can also preferably ensure the durability of structure.
4, I shape reinforcing bar concrete combination beam two ends are connected by steel corbel and steel embedded part to side wall with Factory Building length.Full
Foot the design suppose work progress in, I shape reinforcing bar concrete combination beam two ends first freely-supported on the steel corbel of bottom, its
Deadweight is undertaken by steel corbel, and internal force is passed to Factory Building length to side wall by steel corbel；Brick wall concrete in beam elevation range
After condensing hardening, I shape reinforcing bar concrete combination beam and Brick wall are linked to be an entirety by steel embedded part, it is achieved that I-shaped
Being rigidly connected between shaped steel bone concrete combination beam two ends and body of wall, therefore steel reinforced concrete combination beam under normal operating condition
Deadweight and its upper load produce internal force and deformation, geological process produce internal force all pass to Factory Building wall by steel embedded part
Body.This it be changed into rigidly connected node connected mode (referred to as varied rigid link) by freely-supported and significantly reduce i shaped steel
Bone concrete combination beam and Factory Building length are to the node connection request of side wall, thus significantly reduce difficulty of construction.
Accompanying drawing explanation
Fig. 1 is integral planar layout drawing of the present invention.
Fig. 2 is principal section of the present invention (A-A) figure.
Fig. 3 is i shaped steel skeleton schematic cross-section of the present invention.
Fig. 4 is the connection diagram between adjacent two the i shaped steel skeletons of the present invention.
Fig. 5 is the schematic cross-section of embodiment of the present invention horizontal support.
Fig. 6 is the connection diagram of embodiment of the present invention interlude horizontal support and i shaped steel skeleton.
Fig. 7 is the connection diagram of horizontal support of the present invention and Factory Building short side wall.
Fig. 8 (a) is embodiment of the present invention I shape reinforcing bar concrete combination beam with Factory Building length to the connection diagram of side wall；
Fig. 8 (b) is the connection diagram of embodiment of the present invention I shape reinforcing bar concrete combination beam and Factory Building short side wall.
Detailed description of the invention
A kind of unilateral steel plate concrete hollow combination roof system that the present invention proposes combines drawings and Examples and describes in detail such as
Under:
A kind of unilateral steel plate concrete hollow combination roof system that the present invention proposes is supported in factory building side wall top, and it is overall flat
Face is arranged as it is shown in figure 1, unilateral steel plate concrete hollow combination roof system is I-shaped that is identical by some Pin structures and that be arranged in parallel
Shaped steel bone concrete combination beam 1 is spliced to form middle part successively with multiple hollow prolate cube box-structures, described I shape
The Factory Building length that is axially each perpendicular to of steel reinforced concrete combination beam 1 is pressed unidirectional to side wall 0-1, I shape reinforcing bar concrete combination beam 1
Independent stressed requires design, provides safeguard for the interim opening holes of roof system.
The cross section of described I shape reinforcing bar concrete combination beam 1 is as in figure 2 it is shown, all include upper and lower asymmetrical I shape
Steel skeleton 11, reinforcing bar 12 and I-shaped concrete 13, i shaped steel skeleton 11 (as shown in Figure 3) is by reinforcing bar top flange 11-1, steel
Bone web 11-2 and reinforcing bar lower flange 11-3 is welded, and reinforcing bar lower flange 11-3 is uniformly provided with peg 11-4；Wherein, reinforcing bar
12 are evenly arranged on the upside of the upper and lower both sides of 11-1, reinforcing bar top flange, reinforcing bar lower flange 11-3 and reinforcing bar web 11-2 both sides；?
It is additionally provided with the box isometric with i shaped steel skeleton 11 forever between reinforcing bar web 11-2 in two adjacent i shaped steel skeletons 11
Template 14 for a long time, I-shaped concrete 13 pours in the space enclosed by box permanent template 14 and reinforcing bar lower flange 11-3
In, ultimately form i shaped steel reinforced concrete half and wrap up the combined beam structure of i shaped steel skeleton 11.On the reinforcing bar of the present embodiment
Edge of a wing 11-1, reinforcing bar web 11-2, reinforcing bar lower flange 11-3 all use hot rolled steel plate, and the width of reinforcing bar top flange 11-1 is less than steel
Bone lower flange 11-3, owing to reinforcing bar top flange 11-1 resistance to tension is relatively low, the hogging moment in I shape reinforcing bar concrete combination beam 1
Mainly undertaken by the reinforcing bar 12 of reinforcing bar top flange 11-1 upper and lower sides, therefore respectively configure row's steel at reinforcing bar top flange 11-1 upper and lower sides
Muscle 12；Peg 11-4 and reinforcing bar lower flange 11-3 uses and is welded to connect, and peg 11-4 makes i shaped steel skeleton 11 and I shape
Armored concrete is combined closely, is jointly resisted load action；Reinforcing bar lower flange 11-3 is in I shape reinforcing bar concrete combination beam 1
Lower side, due to the characteristic that himself rigidity is big, bearing capacity is high, can double as I-shaped concrete 13 and pour while undertaking pulling force
Time bottom template, owing to box permanent template 14 is the non-dismantling formwork using conventional mould material, therefore each Pin i shaped steel
Without installing template and scaffold again bottom bone concrete combination beam 1, thus solve civil engineering and main equipment and install and intersect work
The problem that industry is complicated.
By being welded to connect between i shaped steel skeleton 11 in adjacent two Pin I shape reinforcing bar concrete combination beams 1, or
Person is attached by gusset plate 2 and high-strength bolt 3, and as shown in Figure 4, wherein gusset plate 2 lays respectively at adjacent two Pin I shapes
The both sides up and down of reinforcing bar lower flange 11-3 in steel skeleton 11, high-strength bolt 3 sequentially passes through gusset plate 2 and reinforcing bar lower flange 11-3.
Additionally, according to differences such as the concrete situation that punches, steel construction factory process transport capacity and the job site Lifting Capacities of roof system
The reinforcing bar lower flange of some Pin i shaped steel skeletons 11 is used a monoblock steel plate to make by demand.
For ensureing the Outside-plate stabilizing of i shaped steel skeleton 11 construction stage, it is being perpendicular to i shaped steel skeleton 11 the most all
Even arranging multiple tracks horizontal support 7, this horizontal support 7 is connected with steel skeleton top flange steel plate by otic placode, the end of horizontal support 7
Being connected with Factory Building short side wall 0, the interlude of horizontal support 7 connects with adjacent i shaped steel skeleton 11 respectively.The present embodiment
The structure of each road horizontal support 7 is identical, its cross section as it is shown in figure 5, formed by two equal leg angle 14-1 and fill plate 14-2,
Two equal leg angle 14-1 are respectively welded at the both sides of fill plate 14-2 with back-to-back form；It is positioned at the horizontal support 7 of interlude
Being attached with i shaped steel skeleton 11 by otic placode 8 and high-strength bolt 3, as shown in Figure 6, wherein otic placode 8 is vertically welded in steel
On bone top flange 11-1 and reinforcing bar web 11-2, horizontal support 7 is connected with otic placode 8 by high-strength bolt 3；It is positioned at the level of end
Support 7 to be connected by gusset plate 2, high-strength bolt 3 and steel embedded part 5 are fixing with maintenance hall short side wall 0, as it is shown in fig. 7, its
In, gusset plate 2 and the steel embedded part 5 being embedded in Factory Building short side wall 0 are welded to connect, and horizontal support 7 is by high-strength bolt 3 and otic placode
8 connect.
The vertical supporting of described unilateral steel plate concrete hollow combination roof system be Factory Building length to side wall 0-1, it is long with Factory Building
The specific implementation connected to side wall 0-1 is described as follows:
The present embodiment each Pin I shape reinforcing bar concrete combination beam 1 two ends and Factory Building length to side wall 0-1 by steel corbel 4 and
Steel embedded part 6 connects, and as shown in Fig. 8 (a), steel corbel 4 is welded on steel embedded part 5, is uniformly arranged to side wall 0-1 along Factory Building length, executes
The deadweight of work stage I shape reinforcing bar concrete combination beam 1 is undertaken by steel corbel.Described steel corbel 4 includes horizontally disposed steel cattle
Lower limb top flange 41 is vertical with this top flange and the steel corbel web 42 of spaced set；Described steel embedded part 5 is by anchor slab 51 and dowel
52 compositions, anchor slab 51 flushes to side wall 0-1 surface with Factory Building length, and dowel 52 horizontally extends into Factory Building length inside side wall 0-1, anchor slab
51 weld with dowel 52；Steel embedded part 6 is made up of anchor slab 61 and dowel 62, and anchor slab 61 flushes to side wall 0-1 surface with Factory Building length, anchor
Muscle 62 horizontally extends into Factory Building length inside side wall 0-1, and anchor slab 61 welds with dowel 62.Bottom i shaped steel skeleton 11, reinforcing bar
Lower flange 11-3 is connected with steel corbel top flange 41 by high-strength bolt 3；Steel corbel web 42 is according to the position of reinforcing bar web 11-2
Put and position, make the transmission of power between side wall 0-1 of i shaped steel skeleton 11 and Factory Building length more clearly direct.I shaped steel skeleton
11 two ends are welded with steel embedded part 6, and under normal operating condition, the deadweight of steel reinforced concrete combination beam and its upper load produce
The internal force of internal force and deformation, geological process generation is mainly undertaken by steel embedded part 6；Steel embedded part 6 is to I shape steel reinforced concrete simultaneously
The end-plate effect that combination beam 1 provides can increase the integral rigidity of I shape reinforcing bar concrete combination beam 1, thus effectively controls work
The deformation of font reinforcing bar concrete combination beam 1.
I shape reinforcing bar concrete combination beam 1 is connected (as shown in Fig. 8 (b)) with Factory Building short side wall 0 by steel corbel 4,
Wherein, between steel corbel top flange 41 and steel corbel web 42, employing is welded to connect；Steel corbel 4 is welded on steel embedded part 5, along factory
Room short side wall 0 is uniformly arranged；Steel corbel top flange 41 is connected with reinforcing bar lower flange 11-3 high-strength bolt 3.
The size of described I shape reinforcing bar concrete combination beam 1 and Pin number, gusset plate 2, high-strength bolt 3, steel corbel 4 and steel
The specification of embedded part 5 is designed determining according to the stressing conditions that roof system is actual: in general, I shape reinforcing bar concrete combination beam
1 beam height value be unilateral 1/12～the 1/16 of steel plate concrete hollow combination roof system span, deck-siding value be deck-molding 1/1.5～
1/2.5, the span of beam determines (being usually no more than 50m) according to roof system span, reinforcing bar lower flange 11-3 in i shaped steel skeleton 11
Steel plate thickness is not preferably less than 20mm, to meet the requirement of strength also serving as template；In nuclear engineering, the top of I-shaped concrete, the end
Plate gross thickness is no less than 600mm, to meet radiation shield and the requirement of opposing tornado missile.
The unilateral steel plate concrete hollow combination roof system of the present invention uses the method for designing of one direction stress, unilateral steel plate to mix
Solidifying soil hollow combination roof system short is main Impact direction；Analysis of construction phase model uses single span simply supported beam model, only considers
One direction stress, overall calculation considers pass force crossly；Operational phase is analyzed model and is considered single span simply supported beam model and space respectively
Block mold, and by two kinds analysis models take envelope design, single span simply supported beam model is the longest due to length, short side wall relatively in
Between the bulk deformation coordination ability of Pin simply supported beam more weak, therefore do not consider hall space mass action, space block mold considers single
Side steel plate concrete hollow combination roof system concrete slab space behavior in all directions.It is different from tradition roof system only by short side
Wall ensures that lateral stability, the length of unilateral steel plate concrete hollow combination roof system also provide for out of plane stiffness to ensure side to side wall
To stable.Owing to every Pin I shape reinforcing bar concrete combination beam of unilateral steel plate concrete hollow combination roof system all uses the most solely
Vertical single load bearing pattern, punches when therefore can meet construction temporarily and the later stage punches the demands such as reinforcing.
A kind of unilateral steel plate concrete hollow combination roof system of the present invention, its construction procedure is:
If the steel skeleton in roof system is divided into by the position according to reactor building equipment hoisting mouth and on-site hoisting ability
Dry steel skeleton submodule, wherein, the steel skeleton submodule at equipment hoisting mouth individually divides, and described steel skeleton submodule is by some
Pin i shaped steel skeleton is spliced；I shaped steel skeleton 11, steel embedded part 6, steel corbel 4, steel embedded part 5 and level is made in factory
All kinds of steel beam column such as support, are spliced into each reinforcing bar by mould steel skeleton partition requirement by the i shaped steel skeleton 11 of corresponding Pin number
Shelf module, and steel embedded part 6 is welded on each steel skeleton submodule two ends forms steel skeleton module G of correspondence respectively, install each
Horizontal support 7 in steel skeleton module G, welds steel corbel 4 formation and supports module H with steel embedded part 5；Treat factory building side wall concrete
When being poured into appointment absolute altitude (this absolute altitude determines) according to roof design, support module H embedment Factory Building length to side wall 0-1 and is poured
Concrete is to absolute altitude a at the bottom of roof system, after concrete coagulation hardens, winches to steel skeleton module G at non-equipment hoisting mouth support
In module H, steel skeleton module G two ends are connected with supporting module H；Extraordinary maintenance structure at roof equipment hoisting port is installed, faces
Time enclosed structure form can be light section roof system, used by light section roof system bearing connecting plate and reinforcing bar top flange steel plate 11-1
High-strength bolt 3 connects；Factory building side wall concreting, at roof system top mark height b, installs steel skeleton module G and short side wall simultaneously
Horizontal support 7 between 0；The reinforcing bar of colligation I shape reinforcing bar concrete combination beam 1 base plate, pours at the bottom of i shaped steel reinforced concrete
Concrete in the range of plate height, grows in pouring corresponding height and width range to side wall 0-1 concrete simultaneously, and I shape reinforcing bar mixes
Solidifying soil web, top board are successively according to construction of bottom plates；After equipment is marched into the arena, remove extraordinary maintenance structure, treat armamentarium rigging out
After, according to roof system at the working procedure building equipment hoisting port of roof system at non-equipment hoisting mouth, complete whole unilateral steel plate coagulation
The construction of soil hollow combination roof system；
Roof system is punched by in-service period temporarily, first removes roof system at original equipment hoisting port, in-service period main equipment
After changing or having overhauled, the steel skeleton submodule at the original equipment hoisting port again made is installed, completes according to abovementioned steps
The field fabrication of roof system armored concrete at original equipment hoisting port.
The unilateral steel plate concrete hollow combination roof system of the proposition of the present invention is particularly well-suited to nuclear power plant's large-span industrial building, also
Can be used for other and similar with nuclear power plant large-span industrial building have the demand that temporarily punches, that civil engineering and equipment install cross-operation is complicated
Large span structures.
Claims (4)
1. a kind of unilateral steel plate concrete hollow combination roof system that the present invention proposes, it is characterised in that the outward flange of this roof system with
The building side wall supporting this roof system connects, and this roof system is to be depended on by I shape reinforcing bar concrete combination beam parallel to each other for some Pin
The secondary middle part that is spliced to form is with multiple hollow prolate cube box-structures, and described I shape reinforcing bar concrete combination beam is satisfied by
Unidirectional independent stressed requirement.
2. unilateral steel plate concrete hollow combination roof system as claimed in claim 1, it is characterised in that described each Pin I shape
The structure of steel reinforced concrete combination beam is identical, all includes upper and lower asymmetrical i shaped steel skeleton, reinforcing bar and I-shaped concrete,
Described i shaped steel skeleton is formed by connecting by reinforcing bar top flange, reinforcing bar web and reinforcing bar lower flange, and reinforcing bar uniformly sets on lower flange
There is peg；Wherein, described reinforcing bar is evenly arranged on the upside of upper and lower both sides, reinforcing bar top flange, reinforcing bar lower flange and reinforcing bar web two
Side；Being additionally provided with box permanent template between two adjacent i shaped steel intraskeletal reinforcing bar webs, I-shaped concrete pours
In the space enclosed by box permanent template and reinforcing bar lower flange, ultimately form i shaped steel reinforced concrete and partly wrap up work
The combined beam structure of shaped steel skeleton.
3. unilateral steel plate concrete hollow combination roof system as claimed in claim 2, it is characterised in that described adjacent i shaped steel
The reinforcing bar lower flange of bone connects by connector is fixing, or the reinforcing bar lower flange of some Pin I shape reinforcing bars is used a monoblock
Steel plate is made.
4. unilateral steel plate concrete hollow combination roof system as claimed in claim 2, it is characterised in that be perpendicular to i shaped steel
Axis of bone is to being uniformly arranged multiple tracks horizontal support, and this horizontal support is connected with steel skeleton top flange steel plate by otic placode, described level
Supporting base end portion is connected with building short side wall, and the interlude of horizontal support connects with adjacent I shape reinforcing bar respectively.
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| CN201610829312.2A CN106284788A (en) | 2016-09-18 | 2016-09-18 | A kind of unilateral steel plate concrete hollow combination roof system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610829312.2A CN106284788A (en) | 2016-09-18 | 2016-09-18 | A kind of unilateral steel plate concrete hollow combination roof system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854542A (en) * | 2020-12-31 | 2021-05-28 | 兰州理工大学 | Steel plate shear wall structure with semi-wrapped concrete combined column and anchoring structure thereof |
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Application publication date: 20170104 |
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