CN109057168A - A kind of construction process of the floor of multi-storey steel structure building construction - Google Patents

Abstract

A kind of construction process of the floor of multi-storey steel structure building construction, belongs to building field, comprising the following steps: 1, steel plate is pressed into upper gusset and lower web plate；2, by upper gusset and the opposite fastening of lower web plate concave face, and by its perimeter alignment, then it is securely welded together by the way of spot welding；3, using connector by multiple link of boards, and gusset and house load-bearing girder steel are welded to connect；4, gusset upper surface spray gypsum slurry and will thereon surface evening as upper layer；5, gypsum slurry is sprayed in gusset lower surface and regard the leveling of its lower surface as lower layer；6, cement mortar or sticking floor brick are smeared as cutting optimal in upper layer upper surface；7, cement mortar or sticking decorative board material are smeared in the lower surface of lower layer and is used as cutting optimal, have built speed fast, the characteristics of energy conservation and environmental protection, holding conventional house architectural feature.

Description

A kind of construction process of the floor of multi-storey steel structure building construction

Technical field

The invention belongs to steel building field, in particular to the floor of a kind of multilayer or high-rise steel structure building construction The construction process of structure.

Background technique

Steel building is quickly being promoted in modern house construction, with its, building fast with built speed Rubbish is few, can flexibly change the features such as building structure obtains the approval of user；With the popularization in high-rise steel structure house, floor It is mostly used greatly now with the floor of floor gap and sets up girder steel in the room, steel purlin is re-layed on girder steel, on purlin upper berth If steel plate, floor is made in the method that surface of steel plate is laid with cement mortar, the floor made in this way can satisfy in intensity to be wanted It asks, still, due to the erection of girder steel and steel purlin, affects secondary decoration, impacted to indoor environment beauty, while because It is long for the time that thes cement solidifies, the construction period is extended, therefore multilayer or the floor of high-rise steel structure building construction become restriction Multilayer or one of the bottleneck of nigh-level synthesis development.

Summary of the invention

For the above problem existing during the floor construction in existing multilayer or high-rise steel structure house, the present invention It is proposed a kind of floor construction of multi-storey steel structure building construction, it is characterised in that: including cutting optimal, lower layer, gusset, upper layer, on Surface layer, connector, docking structure；Layer is located at the lower surface of lower layer below described, closely bonds together with lower layer；Under described Surface layer is cement mortar either dalle；The lower layer is located below between layer and gusset lower surface, upper and lower two table Upper surface of the face respectively with gusset lower surface and cutting optimal closely bonds；The lower layer be include gypsum, granular polystyrene, plant What the method spraying that fiber adds water and stirs the slurry to be formed use spraying was formed after solidifying；The gusset is located at lower layer and upper layer Between, lower surface of the upper and lower surfaces respectively with the upper surface of lower layer and upper layer closely bonds；The gusset is by upper gusset It fits closely with lower web plate and is fastenedly connected to be formed；The upper layer is located between the upper surface and upper layer of gusset, thereon The upper surface of surface and lower surface respectively with the lower surface of upper layer and gusset closely bonds together；The upper layer is by including Gypsum, granular polystyrene, what the method spraying that plant fiber adds water and stirs the slurry to be formed use spraying was formed after solidifying；Described Upper layer is located at the upper surface on upper layer, and the upper surface on lower surface and upper layer closely bonds；The upper surface of described layer is cement mortar Either floor tile；The described docking structure setting in floor from side, between two pieces of floors or floor and steel construction The connection of weighing steelframe, shape are notch or groove or protrusion；The connector is mounted on the side of gusset, and two In the hole of end two gusset sides that insertion needs to connect respectively, and securely welded with the side of two gussets connected is needed.

Further, the lower layer is by 70% gypsum, 10% granular polystyrene, 1% cement, 10% sand 7% Plant fiber and water-reducing agent, retarder add water and stir；The gypsum is the half water stone by 30% anhydrous gypsum and 70% The mixture of cream.

The upper gusset and lower web plate are that structure is identical, and the gusset is opposite by upper gusset and lower web plate concave face It welds after fastening and forms together, welding method is electric resistance welding.

The upper gusset includes plate body, dowel, protrusion；The plate body is plate, thickness and dowel and convex The thickness risen is identical；The plate body thickness is less than 2 millimeters；The dowel position thin-walled arch protrude from plate body plane it On, it is located between two protrusions or between protrusion and plate body edge, and penetrate through plate body edge and raised inner cavity；The connection The height of muscle is not less than 20 millimeters, and width is not less than 10 millimeters；The described protrusion is arranged on plate body, apart from plate body edge have away from From；The protrusion has multiple, is evenly distributed on plate body surface；The protrusion is that thin-walled is dome-shaped, and thickness and plate body are thick It spends identical；The height of projection is greater than 30 millimeters, and diameter is greater than 50 millimeters；The dowel and protrusion is all using mold The compression moulding on plate body.

The docking structure is two long sides setting in floor on one side for groove, on one side in the convex of matching grooves Edge；The groove and flange runs through the length of floor；The cross sectional shape of the groove and flange is that rectangle is either trapezoidal Either step；The short side of floor is provided with step.

The connector includes right end column, positioning region, left end column；The right end of positioning region is arranged in the right end column, For cross-section cylinder, the cross sectional shape of dowel after cross sectional shape is fastened with lower web plate upper on gusset is identical, and size is small In the intracavity section size for being equal to dowel, length is matched with the length of dowel；The positioning region be located at left end column and Between right end column, both ends of the surface are fixedly connected with left end column and right end column respectively；The section shape and size of the positioning region with The outer cross section shape and size of dowel are identical, and length is less than 5 millimeters；The left end column is located at the left end of positioning region, Shape and size are identical as right end column.

The floor of the multi-storey steel structure building construction using method once build, it is characterised in that: including with Lower step: 1, steel plate is pressed into upper gusset and lower web plate；2, it fastens upper gusset and lower web plate concave face are opposite, and by its week Then side alignment is securely welded it together by the way of spot welding；3, using connector by multiple link of boards, and by gusset It is welded to connect with house load-bearing girder steel；4, gusset upper surface spray gypsum slurry and will thereon surface evening as upper layer；5, Gypsum slurry is sprayed in gusset lower surface and regard the leveling of its lower surface as lower layer；6, upper layer upper surface smear cement mortar or Person's sticking floor brick is as cutting optimal；7, cement mortar or sticking decorative board material are smeared as following in the lower surface of lower layer Layer.

The building for alternatively carrying out the floor of the multi-storey steel structure building construction can also be adopted, feature exists In: the following steps are included: 1, steel plate is pressed into upper gusset and lower web plate；2, by upper gusset and the opposite button of lower web plate concave face It closes, and by its perimeter alignment, is then securely welded it together by the way of spot welding；3, calcium plaster is sprayed in gusset upper surface Expect and upper layer will be used as by surface evening thereon, the width and the unilateral 10-20 of length that the width and length on upper layer are less than gusset are in the least Rice；4, gypsum slurry is sprayed in gusset lower surface and regard the leveling of its lower surface as lower layer, the width and length and gusset of lower layer Width and length it is identical and guarantee that the periphery of lower layer is concordant with gusset periphery；5, the gusset of spray coated the upper and lower is used Connector is fixedly connected with adjacent webs and steel house load-bearing girder steel respectively, and the floor space of required building floor is complete All standing；6, calcium plaster is perfused in the gap for being connected with each other every piece of prefabricated monomer floor and leaving after connecting with girder steel Material, gap is filled up, and guarantee that its surface and upper layer upper surface are smooth；7, cement mortar is smeared in floor upper surface after combining Either cement finish or sticking floor brick；8, cement mortar or sticking decorative board are smeared in floor lower surface after combining Material.

Beneficial effect

The beneficial effects of the present invention are can accelerate the construction efficiency of multi-storey steel structure building construction, mitigate overall weight, just In secondary decoration, meet people's conventional house building habit.

Detailed description of the invention

Fig. 1 is structural schematic diagram of the invention

1. cutting optimal, 2. lower layers, 3. gussets, 4. upper layers, 5. upper layers, 6. connectors, 7. docking structures.

Fig. 2 is the structural schematic diagram of gusset

31. lower web plate, gusset on 32..

Fig. 3 is the structural schematic diagram of lower web plate

311. plate bodys, 312. dowels, 313. protrusions.

Fig. 4 is the partial enlargement diagram of lower web plate

311. plate bodys, 312. dowels, 313. protrusions.

Fig. 5 is the structural schematic diagram of connector

71. right end column, 72. positioning regions, 73. left end columns.

Specific embodiment

Technical solution in order to further illustrate the present invention, now in conjunction with Detailed description of the invention a specific embodiment of the invention.

Embodiment one, such as Fig. 1-5, in the steel construction main body frame built, this main body frame is in this example with existing state Construction standards as defined in family's standard criterion are built, according to 12 milli of cross-sectional width of the right end column 71 of Fig. 5 setting connector 7 Rice, 12 millimeters of straight line portion height, 6 millimeters of both ends arc radius and for semicircle；The length that right end column 71 is arranged is 60 millimeters, The length of positioning region 72 is set as 2 millimeters, in this way for the ease of welding, the cross sectional shape of positioning region 72 and the section of right end column 71 Shape is identical, and outer dimension is the wall thickness that the outer dimension of right end column 71 adds the dowel 312 of lower web plate 31；Set left end The geomery of column 73 is identical as right end column 71 and symmetrical about positioning region 72；Lower web plate 31 is set in this example and upper gusset 32 is Planform and size are identical, just replace upper gusset 32 in this example by taking lower web plate 31 as an example；Set the plate body 311 of lower web plate 31 With a thickness of 1 millimeter, 1200 millimeters of overall width, be in this way reduced for the steel plate specification that adapts to sell in the market buying at This, length is set as 3600 millimeters according to the single room width of multi-storey steel structure building construction, using mold in its surface rolling Protrusion 313 and dowel 312 out, press device can integrally be suppressed using hydraulic press, can also using double-roll type roller press into The mode of severing again after the continuous compacting of row；The base diameter of protrusion 313 is set in this example as 60 millimeters, is hemispherical projections, Axis of the point line as dowel 312, suppresses centered on four quadrantal points with 311 sides aligned parallel of plate body of protrusion 313 Dowel 312；Protrusion 313 is set in this example to be had multiple, and rectangular array is uniformly distributed, each adjacent two protrusion 313 it is vertical Centre distance is 180 millimeters, is connected between every two adjacent raised 313 by dowel 312；It is handed in protrusion 313 and plate body 311 At the boundary and junction and dowel 312 of dowel 312 and plate body 311 and the junction of protrusion 313 are all set by not less than 1 The knuckle of millimeter；The section of dowel 312 is set in this example as arch, chamber size sets its straight line portion height in section Degree is 6 millimeters, and 12 millimeters of width, top is semicircle, and the radius of semicircle is 6 millimeters；Its length both ends is respectively at two neighboring convex Rise 313 inner cavity connection or be connected to the edge of plate body 311；It is two lower web plates 31 of forming recess one side is opposite and will The alignment of its edge fastens, and carries out more solder joints using electric resistance welding (spot welding) and securely welds, forms it into gusset 3, material is thus formed One by spherical and domes cavity body, due to the characteristic of sphere and ogive, the energy in the case where mitigating own wt It is enough to bear bigger bending force and pressure and pulling force；One end of connector 7 is inserted into the both ends of the length direction of gusset 3, Be exactly in cavity that the dowel 312 that exposes of the end where width edge is formed, and make connector 7 positioning region 72 end face with The side of gusset 3 contacts, by connector 7 and gusset 3 its contact site weld together, by the exposed one end of connector 7 respectively with The side of the house load-bearing girder steel of steel structure frame, which is respectively welded, securely just completes one piece of gusset 3 in floor gap floor location Installation；At end where the two side ends of gusset 3, that is, length sides, equally right end will be selected in one end this example of multiple connectors 7 Column 71 is inserted into the inner cavity of corresponding multiple dowels 312 of two side ends on gusset 3 respectively, and makes the side of positioning region 72 Yu gusset 3 End face contact, and by the positioning region of connector 7 72 and 3 side firm welding of gusset, it equally will be on the side end face of next piece of gusset 3 Dowel 312 inner cavity and the left end column 73 of multiple connectors 7 that is welded of previous piece of gusset 3 respectively correspond insertion, and in The reason of contact of positioning region 72 and firm welding, here it is the length because of setting positioning region 72 no more than 2 millimeters, in order to avoid Gap is excessive when two gussets 3 splice；Successively splice muti-piece gusset 3, is paved with until by steel girder frame inner area, by 3 liang of gusset Side and girder steel contact jaw are welded using connector 7 respectively at 3 side of gusset and girder steel, and the installment work of gusset 3 is just completed； It selects lower layer 2 identical with the material on upper layer 4 in this example, selects 70% gypsum, 10% granular polystyrene, 1% cement, 10% sand Son, 7% plant fiber and water-reducing agent, retarder add water and stir the gypsum slurry to be formed and can be sprayed, will using pulp shooting machine Gypsum slurry is sprayed respectively in the upper and lower surface of mounted gusset 3 until reaching design thickness, and the thickness of lower layer 2 is selected in this example 50 millimeters of degree, 80 millimeters of the thickness on upper layer 4, by the surface evening of spray coating, due to gypsum slurry have lightweight, quickly solidification, The features such as switching performance of heat-insulated, sound insulation and steel plate is good ensure that construction efficiency, and floor has light sound-proof firm and durable Function；The general cement mortar of building trade is smeared in the lower surface of lower layer 2 after solidification, with a thickness of 5-10 millimeters, makees For cutting optimal 1, so that the internal environment of steel house and the internal environment of conventional house it is identical and be conducive to conventional method Secondary decoration；Conventional chamber is met using floor tile as upper layer 5 using adhered floor brick in the upper surface this example on upper layer 4 The structure on interior floor；Thereby realize the quick combination built with traditional architecture style in steel building house.

Embodiment two,

The gusset 3 made of embodiment one kind is selected in this example, the gypsum slurry in the embodiment one of surface spraying on it is made For upper layer 4, select upper layer 4 with a thickness of 80 millimeters, length and width is less than the width of gusset 3 and the unilateral 15-20 milli of length Rice, and the upper surface on upper layer 4 is flattened, after solidification, by 3 turn-over of gusset, in the gypsum of 3 lower surface of gusset spraying embodiment one kind Slurry as lower layer 2, select lower layer 2 with a thickness of 30 millimeters, width and length are identical as the width of gusset 3 and length, and Peripheral lateral edge is flattened, then flattens the lower surface of lower layer 2；It is used as floor prefabricated component, in this way to meet assembling type buildings mould The requirement of formula；After the completion of steel construction weighing skeleton construction, every piece of floor prefabricated component in this example is pressed from one side crossbeam to right The sequence of side crossbeam is docked, the method and beam welding at both ends using the connector 7 of embodiment one kind according to embodiment one, side End and the side end face of another precast floor slab are welded, because the width on reserved upper layer 4 and length are both less than the width and length of gusset 3 Degree is allowed to upper layer 4 and lower layer 2 in side and forms step docking structure 6, connector 7 is being inserted between two adjacent webs 3 When with being welded, there is sufficient space, convenient for construction；After the completion of docking the most side of the precast floor slab of side position be located at The steel construction load bearing cross beam of side connects, and pours the gypsum slurry of embodiment one kind in the gap kind that docking structure 6 leaves, and will It is flattened, and the layer 1 below the lower surface of lower layer 2 is smeared and is the same as example 1, the upper surface smearing thickness on upper layer 4 is less than 5 millimeters of cement smooth surface just completes implementation of the invention as upper layer 5；The beneficial effect of the present embodiment be that it is possible to by Floor member progress is prefabricated, shortens and is building the time, further improves construction efficiency, and large-scale standardized easy to accomplish Production, thus saving raw material and production cost reduce environmental pollution.

Claims (4)

1. a kind of construction process of the floor of multi-storey steel structure building construction, it is characterised in that: the following steps are included: 1, by steel plate It is pressed into gusset and lower web plate；2, it by upper gusset and the opposite fastening of lower web plate concave face, and by its perimeter alignment, then uses The mode of spot welding securely welds it together；3, using connector by multiple link of boards, and by gusset and house load-bearing girder steel It is welded to connect；4, gusset upper surface spray gypsum slurry and will thereon surface evening as upper layer；5, it is sprayed in gusset lower surface It applies gypsum slurry and regard the leveling of its lower surface as lower layer；6, cement mortar is smeared in upper layer upper surface or sticking floor brick is made For cutting optimal；7, cement mortar or sticking decorative board material are smeared as cutting optimal in the lower surface of lower layer.

2. a kind of construction process of the floor of multi-storey steel structure building construction according to claim 1, it is characterised in that: institute The gusset stated is using the gusset in a kind of floor construction of multi-storey steel structure building construction.

3. a kind of construction process of the floor of multi-storey steel structure building construction according to claim 1, it is characterised in that: institute The gypsum slurry stated is to use including 70% gypsum, 10% granular polystyrene, 1% cement, 10% sand, 7% plant fiber, And water-reducing agent, retarder add water and stir；The gypsum is the mixing of the semi-hydrated gypsum by 30% anhydrous gypsum and 70% Object.

4. a kind of construction process of the floor of multi-storey steel structure building construction according to claim 1, it is characterised in that: institute The connector stated is the connector in the floor construction using a kind of multi-storey steel structure building construction.