CN1558052A

CN1558052A - Multistoried building load-bearing structure with concrete exterior structure and masonry envelope load-bearing internal structure

Info

Publication number: CN1558052A
Application number: CNA2004100454496A
Authority: CN
Inventors: 吴淑环
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-30
Filing date: 2004-05-21
Publication date: 2004-12-29
Anticipated expiration: 2024-05-21
Also published as: CN1279253C

Abstract

The present invention relates to a multistoried building load-bearing structure with concrete exterior structure and masonry envelope load-bearing internal structure. The invention contains a concrete exterior structure (1), an aseismatic load-bearing wall (5) in building, a circle bar (8), the concrete exterior structure (1) and the circle bar (8) are wholly cast into a body, the circle bar (8) is corresponding to the aseismatic load-bearing wall (5) in building up and down. The invention load-bears with concrete structure in exterior wall of the multistoried building, in the building plane, the arrangement is designed according to masonry structure, and load-beared with the masonry structure. The invention has sincere clay brick replacing exterior wall to reduce weight of the exterior wall, which is favor of quake-proof, and using area indoors is increased and heat protection is improved, also production investment is not increased.

Description

The outside is that concrete structure, inside are the multistory building load-carrying members of masonry load-bearing

Technical field:

The present invention relates to a kind of load-carrying members of multistory building.

Background technology:

(1), the situation that changes of wall: sintering solid clay brick, easy construction low because of price as the bearing wall material of multistory building for these years is the main materials for wall that China and even many in the world countries build a house always.The production solid clay brick faces the serious problems of land resources anxiety, environmental disruption, the Chinese government is issue an order, progressively ban use of solid clay brick, in many metropolis " prohibit real ", the wall reform that is now carrying out (being called for short wall changes) replaces the bearing wall of traditional solid clay brick as multistory building with novel wall material.Existing structure stress system has frame construction, the frame-shear wall structure, shear wall structure, steel work, wooden construction, bottom frame-seismic structural wall, earthquake resistant wall structure, masonry structure, comprise brick masonry structure and block masonry structure, also comprise many organ timberings bearing wall and frame structure, but the multistory building that does not also have outside concrete structure-inner masonry antidetonation solid-walled structure at present, all according to traditional, the building approach of custom is built multilayer and low layer civilian construction, this is because construction was non-energy saving building in the past, because build non-energy saving building not only cheaply but also convenient with loam brick, therefore do not need outside concrete, the building of inner masonry seismic structural wall, earthquake resistant wall structure.Carrying out now the product that wall changes the load-bearing of instead of clay brick in multistory building mainly is concrete bearing building-block and sintering non-clay load bearing hollow brick, the outer body of wall that is the load-bearing of former cause solid clay brick is alternative by the body of wall of concrete bearing building-block or sintering non-clay load bearing hollow brick, the difficulty of promoting novel wall material is, novel wall material price height, equipment investment are big: the construction market material price is that solid clay brick is about 100～130 yuan/m at present ³, load-bearing hollow brick is about 130～160 yuan/m ³, unit building area cost improves 30 yuan/m approximately ²About 50～1,000,000 yuan/every line of brick field production equipment investment for trnasforming urban land, and the body of wall of producing load bearing hollow brick need be a raw material with the part clay still except that the area that the gangue resource is arranged, just because of having hole and other inserts to reduce the clay consumption, and in densely populated areas, especially the coastal area clay resource is at full stretch; Doing materials for wall with the concrete bearing building-block can be fully without clay, and too big (ten thousand yuan/every line surplus the import equipment about 1000 homemadely needs 200～2,500,000 yuan/every line approximately but produce the equipment investment of concrete bearing building-block.), the about 250 yuan/m of concrete bearing building-block price ³, the concrete bearing building-block increases the about 100 yuan/m of construction cost ³Therefore little for small and medium-sized cities, particularly underdeveloped area because of the construction amount, no matter from equipment investment or on the building costs, introduce the novel wall production equipment and carry out wall and change all and have any problem, wall changes mainly and carries out in metropolis and developed regions now.(2) exterior wall of multistory building is stressed is in unfavoured state than interior wall: because of the load-bearing interior wall when multistory building be the antidetonation load bearing wall be not more than " earthquake resistant design code " regulation spacing range in the time, interior antidetonation load bearing wall is stressed mainly to be a power and shearing, interior wall body door or window hole is few and be the central compression member, therefore be very favourable with the masonry load-bearing, can not only play the load-bearing effect but also play the effect of separating the room; But multistory building is in disadvantageous state in that the outer pier at non-seismic structural wall, earthquake resistant wall place is stressed, this is because the general house type of multistory building layout is more, the plane is complicated, exterior wall window opening mouth is many to have very big weakening to section, the exterior wall at non-seismic structural wall, earthquake resistant wall place is the member that is bent, masonry structure is a fragile material, elastic modulus difference, when section thickness little, when bending rigidity is very little exterior wall stressed be very disadvantageous, especially make exterior wall because of the too thin only 190mm of masonry section with the concrete bearing building block, this problem is more outstanding, building with the concrete bearing building block should not have bigger spacious room, and this is conditional to design of building structures.

Summary of the invention:

For the wall that solves multistory building changes problem, now having proposed a kind of outside is that concrete structure load-bearing, inside are the multistory building load-carrying members of masonry load-bearing, it has the solid clay brick that alternative exterior wall uses, alleviate exterior wall weight, do not increase construction investment, increase indoor usable floor area, help the characteristics of antidetonation.The present invention comprises outside concrete structure 1, the interior antidetonation load bearing wall 5 of masonry, collar tie beam 8, and outside concrete structure 1 and collar tie beam 8 monobloc casts are connected as a single entity, and collar tie beam 8 is corresponding about in the of 5 with the internal loadbearing wall of masonry.The invention provides a kind of novel structure stress system, in the exterior wall of multistory building, use the concrete structure load-bearing, the architectural plane interior layout is still pressed the design of masonry structure form, use the masonry structure load-bearing, can also can use the loam brick load-bearing with the bearing building block load-bearing according to regional condition, promptly original outside body of wall by the masonry load-bearing is substituted by concrete structure, claim " building in outer the mixing " structure (see figure 1), (comprise long limb shear wall and shear wall with short piers, long limb shear wall generally promptly claims shear wall as concrete shear force wall.) or the concrete column load-bearing, multistory building generally mostly is concrete shear wall with short piers or the flat post load-bearing of concrete, so both can satisfy people and not wish the indoor requirement that has the concrete column angle to expose, and increases the rigidity of building along the exterior wall direction again, and investment economy.When load-carrying members are concrete shear wall with short piers or concrete column, interconnect, make the infilled wall of exterior wall on the beam with the lightweight body of wall with concrete beam.Structure design need satisfy the pertinent regulations of " earthquake resistant design code ", " Code for design of masonry strucres ", regulation as " earthquake resistant design code " 3.4.1---architectural design should meet the requirement of conceptual Design of Earthquake Resistance, should not adopt serious irregular design scheme.Also as the regulation of " earthquake resistant design code " 3.4.2---the suitable rule of layout of building and lateral resisting structure thereof, symmetrical, and should have good whole.Satisfy the basic demand of seismic design, " build " multistory building antidetonation cross wall in outer the mixing apart from the regulation of need according to the masonry structure material satisfied " earthquake resistant design code " of building interior, the height of building need suitably be selected for use by the regulation of " earthquake resistant design code ", build structural system in externally mixing and carry out the vertical and horizontal seismic resistance calculation, will have reliable drawknot measure to build, be provided with steel tie etc. by laying bricks or stones between outside concrete structure and the inner bearing masonry as taking horse tooth trough shape.

Description of drawings:

Fig. 1 is an architectural plane structural representation of the present invention, and Fig. 2 is the A-A sectional view of Fig. 1, and Fig. 3 is the interior antidetonation load bearing wall 5 of masonry and the drawknot structural representation of the concrete structure 1 of outside, and Fig. 4 is an exterior wall frame construction beam column load-bearing schematic diagram.

The specific embodiment:

The specific embodiment one: (see that Fig. 1～Fig. 4) present embodiment is made up of concrete structure 1, the interior antidetonation load bearing wall 5 of masonry, the collar tie beam 8 of outside, outside concrete structure 1 and collar tie beam 8 monobloc casts are connected as a single entity, and collar tie beam 8 is corresponding about in the of 5 with the internal loadbearing wall of masonry.

The specific embodiment two: (see that Fig. 1～Fig. 4) concrete shear wall with short piers 1, concrete beam 2, infilled wall 3, insulation layer and the topping 4 of outside, the interior antidetonation load bearing wall 5 of masonry, flooring crossbeam 6, floor 7, the collar tie beam 8 of present embodiment outside are formed; outside concrete shear wall with short piers 1, concrete beam 2, flooring crossbeam 6, floor 7 and collar tie beam 8 monobloc casts are one; the interior antidetonation load bearing wall 5 of masonry is corresponding about in the of 8 with collar tie beam, and infilled wall 3 is built on the concrete beam 2.Insulation layer and topping 4 are fixed on the outside of outer body of wall, take horse tooth trough shape to build 9 by laying bricks or stones between the outside concrete shear wall with short piers 1 and the interior antidetonation load bearing wall 5 of masonry; Be provided with steel tie 10 in the outside concrete shear wall with short piers 1 and the interior antidetonation load bearing wall 5 of masonry, one end of steel tie 10 is anchored in the outside concrete shear wall with short piers 1, and the other end of steel tie 10 is embedded in the masonry mortar of interior antidetonation load bearing wall 5 of masonry.Take these measures to meet the regulation of " earthquake resistant design code ", can guarantee outside concrete structure 1 and interior antidetonation load bearing wall 5 co-operation that reliably is connected as a single entity.

The specific embodiment three: (see that present embodiment of Fig. 1～Fig. 4) and the specific embodiment one difference are the frame construction that outside concrete structure 1 is formed for the flat post of concrete and concrete beam.

The specific embodiment four: (see that present embodiment of Fig. 1～Fig. 4) and the specific embodiment one difference are that outside concrete structure 1 is concrete long limb shear wall structure.

The specific embodiment five: (see figure 4) present embodiment and the specific embodiment one difference are the frame construction of outside concrete structure 1 for concrete column and concrete beam composition.

Because the outside can increase the bending rigidity of exterior wall along wall direction for flat post of concrete or shear wall with short piers, favourable and the cost less expensive to structure stress, can also satisfy the user and not wish the indoor requirement that has the concrete column angle to expose, therefore general multistory building " is built " structure in outer the mixing outside concrete structure multiselect is with shear wall with short piers or flat post load-bearing; When the bigger flooring crossbeam of span was arranged on the concrete shear wall with short piers of non-seismic structural wall, earthquake resistant wall position, the shear wall under crossbeam should have rib, can guarantee the bending rigidity perpendicular to the exterior wall axis direction.The combined wall gross thickness of setting up insulation layer 4 compositions on outside concrete structure 1 and the infilled wall 3 is thin, increases indoor usable floor area, thereby increases returns of investment.

The present invention can take construction measure to guarantee outside concrete structure and the reliable drawknot co-operation of interior antidetonation load bearing wall, so this structural system satisfies " earthquake resistant design code " requirement to structural system: " 1, have clear and definite calculation diagram and a rational geological process pipeline.2, can avoid causing total forfeiture shock resistance or to the supporting capacity of gravity load because of part-structure or component damage.3, can possess necessary antidetonation bearing capacity, the ability of good deformability and consumption earthquake.4, be convenient to take measures to improve shock resistance for the weak part that may occur, and thereby can avoid destroying the forfeiture bearing capacity because of the part-structure component damage makes total.”。The multistory building of this structural system is that concrete structure and infilled wall have insulation layer and topping outward because of the outside; outer wall weight alleviates about 50%; alleviate geological process; favourable antidetonation; also can increase indoor usable floor area 3～5%, have good heat insulation, reduced investment, advantage that exterior wall material therefor consumes energy is few.The exterior wall that adopts " block in outer the mixing " structural construction in multistory building is without loam brick, can realize that in exterior wall wall changes, also can have ready conditions and at first in exterior wall, cancel loam brick for not possessing a lot of small and medium-sized cities that produce solid load-bearing loam brick substitute products, can make exterior wall (producing the about 20,000 yuan/platform of equipment of figuline building blocks) with equipment investment light weight aggregate concrete building block seldom, the solid clay brick that exterior wall reduces is about 35～40%, accelerates to enlarge the territorial scope that loam brick is used in restriction.The building outer wall price of " building " structure in outer the mixing is low, having realized in exterior wall that wall changes does not also increase investment, in exterior wall, reduced the shared volume of material of heat-insulating property difference, the occupied space of former cause masonry structure is occupied by heat insulating material, therefore both satisfied security needs, the requirement of satisfying insulation and going along with sb. to guard him again, structural safety, stressed clear and definite, combined wall good heat insulation, reduced investment, the indoor usable floor area of increase, reducing the energy consumption in the outer wall material production, is the optimal combination of various materials in the exterior wall.

Claims

1, the outside is that concrete structure, inside are the multistory building load-carrying members of masonry load-bearing, it comprises outside concrete structure (1), the interior antidetonation load bearing wall (5) of masonry, collar tie beam (8), it is characterized in that outside concrete structure (1) and collar tie beam (8) monobloc cast are connected as a single entity, collar tie beam (8) is corresponding up and down with the interior antidetonation load bearing wall (5) of masonry.

2, outside according to claim 1 is that concrete structure, inside are the multistory building load-carrying members of masonry load-bearing, it is characterized in that outside concrete structure (1) is shear wall structure, short-shear wall structure or concrete frame structure.

3, outside according to claim 1 is concrete structure, inner be the multistory building load-carrying members of masonry load-bearing, it is characterized in that taking horse tooth trough shape (9) to build by laying bricks or stones between the interior antidetonation load bearing wall (5) of the concrete structure (1) of outside and masonry.

4, outside according to claim 1 is that concrete structure, inside are the multistory building load-carrying members of masonry load-bearing, it is characterized in that being provided with steel tie (10) in the interior antidetonation load bearing wall (5) of outside concrete structure (1) and masonry, one end of steel tie (10) is anchored in the outside concrete structure (1), and the other end of steel tie (10) is embedded in the masonry mortar of interior antidetonation load bearing wall (5) of masonry.