CN217105184U - Raft board steel bar support structure - Google Patents
Raft board steel bar support structure Download PDFInfo
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- CN217105184U CN217105184U CN202220946728.3U CN202220946728U CN217105184U CN 217105184 U CN217105184 U CN 217105184U CN 202220946728 U CN202220946728 U CN 202220946728U CN 217105184 U CN217105184 U CN 217105184U
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Abstract
Discloses a raft plate steel bar support structure, wherein a concrete cushion block is supported on a waterproof protective layer; the lower iron of the raft is fixed on the concrete cushion block; the support upright post is vertically fixed on the lower iron of the raft, is of a first groove-shaped structure and comprises a first web plate and first flange plates vertically extending from two sides of the first web plate; the cross beam is fixed at the top end of the support stand column through bolts, is of a second groove-shaped structure and comprises a second web supported at the top end of the support stand column and second flange plates vertically extending from two sides of the second web; the upper iron of the raft is fixed on the second flange plate; one end of the inclined strut is fixedly connected with the support upright post, and the other end of the inclined strut is fixedly connected with the lower iron of the raft. This structure improves raft support stability.
Description
Technical Field
The utility model relates to an ultra-thick raft board steel bar support construction technical field especially relates to a superelevation layer raft board steel bar support structure.
Background
With the vigorous development of the building industry, high-rise buildings begin to emerge in large quantities, and the construction quality of the buildings is more and more emphasized by people. Because high-rise buildings are heavy, the thickness of the foundation bottom plate is larger, the reinforcement quantity is far larger than that of the foundation bottom plate of a common multi-rise building, the reinforcement quantity of the bottom plate is large, the number of layers of the reinforcement is large, and the diameter of the reinforcement is large. In the traditional method, the steel bar is easy to produce local bending and deformation as a support, the thickness of the steel bar protective layer is not easy to control, and even the whole sliding of the steel bar net piece occurs, so that safety accidents occur. The construction safety and the steel bar installation quality can be met only by designing a special steel bar support for binding and installing the steel bars. According to the characteristics and the difficulties, the super-thick raft plate steel bar support structure which is more effective, economical, safe and environment-friendly is provided.
The above information disclosed in the background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is well known to those of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a raft plate steel bar support structure, but material saving and cost of labor improve construction quality for the construction progress reduces engineering cost, guarantees construction safety.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a raft board steel bar support structure includes:
a concrete pad supported on the waterproof protective layer;
a raft lower iron fixed to the concrete pad;
the support upright post is vertically fixed on the lower iron of the raft, is of a first groove-shaped structure and comprises a first web plate and first flange plates vertically extending from two sides of the first web plate;
the cross beam is of a second groove-shaped structure and comprises a second web plate supported at the top end of the support upright post and second flange plates vertically extending from two sides of the second web plate;
a raft upper iron secured to the second flange plate;
and one end of the inclined strut is fixedly connected with the support upright column, and the other end of the inclined strut is fixedly connected with the lower iron of the raft plate.
In the raft plate steel bar support structure, the cross beams are connected with the adjacent cross beams through the split heads.
In the raft plate steel bar support structure, the upper iron and the lower iron of the raft plate comprise a mesh steel bar structure.
In the raft plate steel bar support structure, the first groove-shaped structure and the second groove-shaped structure are the same in shape and size.
In the raft plate steel bar support structure, the flange plates and the web plates of the support upright posts are respectively and fixedly connected with the raft plate lower iron.
In the technical scheme, the utility model provides a pair of raft board steel bar support structure has following beneficial effect: a raft board steel bar support structure through adopting the shaped steel support to replace current steel bar support, adopt the channel-section steel to carry out whole braced system's setting, support stand bottom and raft board lower iron are fixed, the reinforcing bar bracing is welded channel-section steel web edge of a wing and raft board lower iron, the stand is consolidated through bolted connection with the crossbeam, the bottom adopts the cushion support like the high grade mortar, protected the waterproof layer not destroyed, set up the bracing simultaneously, further strengthen whole braced system stability. But the reinforcing bar bearing capacity is little, easily buckle, unfavorable conditions such as deformation in having improved current steel bar support way, provides safer, more stable construction platform in the bottom plate construction, simultaneously, assurance raft construction safety quality and construction production efficiency that also can be better.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic plan view of raft reinforcing bar support structure.
Fig. 2 is a schematic view of connection of a support column and a cross beam of a raft plate steel bar support structure.
Fig. 3 is a schematic view of connection between a support column of a raft steel bar support structure and lower iron of a raft.
Fig. 4 is a schematic perspective view of a support column of a raft steel bar support structure and raft lower iron.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, in one embodiment, in a raft steel bar support structure of the present invention,
a concrete pad 3 supported on the waterproof protective layer;
the raft lower iron 4 is fixed on the concrete cushion block 3;
the support upright post 1 is vertically fixed on the raft lower iron 4, and the support upright post 1 is of a first groove-shaped structure and comprises a first web plate and first flange plates vertically extending from two sides of the first web plate;
the cross beam 2 is fixed at the top end of the support upright post 1 through bolts, and the cross beam 2 is of a second groove-shaped structure and comprises a second web plate supported at the top end of the support upright post 1 and second flange plates vertically extending from two sides of the second web plate;
a raft upper iron 5 fixed to the second flange plate;
and one end of the inclined strut 6 is fixedly connected with the support upright post 1, and the other end of the inclined strut is fixedly connected with the raft lower iron 4.
In the preferred embodiment of the raft steel bar support structure, the cross beams 2 are connected with the adjacent cross beams 2 through split heads.
In the preferred embodiment of the raft steel bar support structure, the upper raft iron 5 and the lower raft iron 4 comprise mesh steel bar structures.
In a preferred embodiment of the raft steel bar support structure, the first and second trough-shaped structures have the same shape and size.
In the preferred embodiment of the raft steel bar support structure, the flange plates and the web plates of the support upright posts 1 are both fixedly connected with the raft lower iron 4.
In one embodiment, the super-thick raft steel bar support structure is constructed by analyzing and checking in advance, designing three-dimensional arrangement, preprocessing in a factory, positioning and paying off on site, setting the cushion blocks 3, installing the stand columns, setting the inclined struts 6, installing the cross beams 2, laying steel bars and the like. The construction steps are as follows:
the method comprises the following steps: carrying out load calculation, analyzing the model selection of the bracket, and determining the model number and the arrangement interval of the section steel;
step two: three-dimensional arrangement design, in-plant preprocessing;
step three: positioning and paying off on site to form a plane arrangement net, and paving an upright post cushion block 3 according to the plane arrangement net;
step four: binding reinforcing steel bars of a lower net of the raft, installing the upright column, and back-welding the bottom of the upright column with the upper iron 5 of the lower net;
step five: short steel bars are adopted to weld the inclined struts 6, and the three-direction inclined struts 6 are arranged in parallel along the flange and the web of the channel steel respectively to reinforce the upright posts, so that the stability is improved;
step six: the beam 2 and the upright post are connected and reinforced by bolts according to design deepening in the middle of the upright post;
step seven: the connection of the steel bar beam 2 deepens according to the design, and the beam 2 and the upright post are connected and reinforced by bolts;
step eight: binding the net-laying steel bars of the raft, pouring concrete and curing.
In one embodiment, the load borne by the steel bar support is calculated in advance through a design drawing, wherein the load comprises the self weight of the steel bars on the upper layer, and the loads of constructors and construction equipment. The material of steel bar support is confirmed according to the size of upper and lower layer reinforcing bar interval and the size of load, confirms the site operation shaped steel and arranges the interval, and the step is arranged to crossbeam 2, and 6 bearing heights of bracing.
In one embodiment, after the model, specification and arrangement distance of the support material are determined, the length of each support beam 2 and the positioning of the connecting part can be determined through three-dimensional arrangement design, and factory preprocessing is realized. After the three-dimensional arrangement design is completed, a positioning line can be released on the waterproof roll, and a prefabricated high-grade concrete block which is manufactured in advance is placed. Can carry out the column mouting after the reinforcement that rolls down after accomplishing, the stand bottom is consolidated with the welding of mesh reinforcement back down, also needs to set up bracing 6 simultaneously and consolidates. Middle connection crossbeam 2 carries out two-sided full weld with the stand and consolidates, forms a whole with whole raft support, reduces the stand stride, prevents that the stand from buckling, and the height strides the position and adopts the short channel steel to consolidate. 2 webs of top crossbeam weld in the stand top, and the welding of multiplicable short steel bar forms wholly in the middle of the adjacent crossbeam 2, and the position is striden to height adds short channel steel welding reinforcement. After the support construction is completed, the water and electricity pipelines are pre-buried, and raft plate concrete pouring and maintenance can be carried out after the upper iron 5 is laid. In one embodiment, the raft lower iron is raft lower rebar.
Super thick raft board steel bar support structure notices the straightness that hangs down of 1 ampere of stake of support stand, and the stand bottom does not have unsettled phenomenon, and the welding point should be firm, and the full nothing of welding point presss from both sides the sediment, and no hourglass welds, and middle connection crossbeam 2 sets up must be according to the tight control step of calculated result, and the height and the angle of bracing 6 satisfy the designing requirement, and the 2 elevations of top crossbeam are strictly controlled.
In one embodiment, the steel bar distribution and the protective layer thickness of a construction drawing are fully considered, the protective layer thicknesses of all the steel bar distribution and the protective layer thicknesses can be intuitively reflected through a three-dimensional arrangement design, after the situation that the steel bar distribution and the protective layer thicknesses are confirmed to be correct is deeply determined, the steel bar distribution and the protective layer thicknesses are fed back to a processing plant to be preprocessed in the plant, the steel bar distribution and the protective layer thicknesses are pulled to the site before being used in the site, the site is fixed by welding and fixing the stand columns, and the cross rods are connected and reinforced through bolts. Adopt the construction of shaped steel support, increased interval between the support than the tradition, reduced work load, middle part contact crossbeam 2 also can regard as the split heads support, reduces raft reinforcing bar packway and lays, the constructor operation of also being convenient for, the channel-section steel welding adds bolted connection more convenient, reliable. Use precast concrete cushion 3 in the middle of stand bottom and the adjacent stand, can guarantee mesh reinforcement protective layer thickness down, simultaneously, upper portion load also can guarantee that the waterproof layer does not receive destruction through stand direct action on cushion 3, and iron 4 welding reinforcement under stand edge plate and the web can and the raft board simultaneously. The vertical bracing 6 that adopts of stand consolidates, and the welding of 6 one end of bracing is on net reinforcing bar down, and one end welding can form three direction bracing on the edge of a wing or web, and adjacent stand highly adopts the channel-section steel to carry out bolted connection according to the design, makes the support form truss structure, increases the stability of monolith support. Adopt shaped steel as the support, reduce the support reinforcing bar quantity by a wide margin, reduce the engineering man-hour, material saving cost and cost of labor increase raft support stability, the shaped steel deflection is less simultaneously, guarantees construction safety and construction quality.
Finally, it should be noted that: the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (5)
1. A raft plate steel bar support structure is characterized in that the raft plate steel bar support structure comprises,
a concrete pad supported on the waterproof protective layer;
a raft lower iron fixed to the concrete pad;
the support upright post is vertically fixed on the lower iron of the raft, is of a first groove-shaped structure and comprises a first web plate and first flange plates vertically extending from two sides of the first web plate;
the cross beam is of a second groove-shaped structure and comprises a second web plate supported at the top end of the support upright post and second flange plates vertically extending from two sides of the second web plate;
a raft upper iron secured to the second flange plate;
and one end of the inclined strut is fixedly connected with the support upright column, and the other end of the inclined strut is fixedly connected with the lower iron of the raft plate.
2. A raft rebar bracket structure as claimed in claim 1, wherein a beam is connected to an adjacent beam via a split heads bracket.
3. A raft steel reinforcement bracket structure as claimed in claim 1, wherein the raft upper iron and the raft lower iron comprise mesh steel reinforcement structures.
4. A raft steel reinforcement frame structure as claimed in claim 1, wherein the first and second channel structures are the same size and shape.
5. The raft steel bar support structure of claim 1, wherein the flange plates and the web plates of the support columns are both fixedly connected with the raft lower iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220946728.3U CN217105184U (en) | 2022-04-22 | 2022-04-22 | Raft board steel bar support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220946728.3U CN217105184U (en) | 2022-04-22 | 2022-04-22 | Raft board steel bar support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217105184U true CN217105184U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220946728.3U Active CN217105184U (en) | 2022-04-22 | 2022-04-22 | Raft board steel bar support structure |
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| Country | Link |
|---|---|
| CN (1) | CN217105184U (en) |
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- 2022-04-22 CN CN202220946728.3U patent/CN217105184U/en active Active
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