CN217579720U - Cast-in-place beam construction structure without floor stand - Google Patents
Cast-in-place beam construction structure without floor stand Download PDFInfo
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- CN217579720U CN217579720U CN202220962893.8U CN202220962893U CN217579720U CN 217579720 U CN217579720 U CN 217579720U CN 202220962893 U CN202220962893 U CN 202220962893U CN 217579720 U CN217579720 U CN 217579720U
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Abstract
The application discloses cast-in-place roof beam construction structures of no support that falls to ground relates to bridge construction technical field, include, to drawing dead lever and bracket, to drawing the dead lever pre-buried on the upper portion of pier stud and to drawing the both ends tip of dead lever all protrusion in the both sides of pier stud, to drawing the both ends tip of dead lever and being provided with the connection fixed part. The bracket is a 7-shaped structure, one side of the upper part of the bracket is detachably connected with the connecting and fixing part of the counter-pull fixing rod, and the lower part of the bracket is fixedly connected with the side wall of the pier stud. The bracket is equipped with a plurality ofly, and is a plurality of the bracket ring is located the periphery wall of pier stud. And a support frame body for bearing the beam body is fixedly arranged on the bracket. Dead lever and bracket utilization pier stud are drawn in entire structure design ingeniously and are regarded as the strong point, need not to use traditional console mode steel pipe beiLei beam supporting structure to the increase of the degree of difficulty of construction organization in the cross construction of avoiding, constructor's safety risk is big, the problem of the good management and control of construction.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a cast-in-place beam construction structure without a floor stand.
Background
In the construction of the cast-in-place beam, if a floor type steel pipe Bailey beam support is adopted, when a building structure is newly built in the lower space of a bridge, the building structure is inconvenient to construct synchronously due to the position conflict of steel pipe columns, if the construction is carried out according to the sequence, the total time period needs to be prolonged by more than 3 months, and the influence on the total construction period is large. If adopt synchronous construction, then need reserve out corresponding hole in the steel-pipe column position, have great definite influence to the wholeness of building the structure plate girder like this, influence the structure atress, increased post-cast strip construction work volume simultaneously. Under certain conditions, a synchronous construction mode is required, the difficulty of construction organization is increased in cross construction, the safety risk of constructors is increased, and the construction progress control, the entity quality control, the construction risk control and the construction cost control are not facilitated.
Disclosure of Invention
In order to solve the above problems, the present application is implemented by the following technical solutions:
a cast-in-place beam construction structure without a floor stand comprises:
the opposite-pulling fixing rod is embedded at the upper part of the pier stud, the end parts of the two ends of the opposite-pulling fixing rod protrude out of the two sides of the pier stud, and the end parts of the two ends of the opposite-pulling fixing rod are provided with connecting fixing parts;
a bracket having a 7-shaped structure, wherein one side of the upper part of the bracket is detachably connected with the connecting and fixing part of the counter-pull fixing rod; the lower part of the bracket is fixedly connected with the side wall of the pier stud;
the number of the brackets is multiple, and the brackets are arranged on the outer peripheral wall of the pier column in an annular mode;
and a support frame body for bearing the beam body is fixedly arranged on the bracket. The dead lever of split is provided with many sets, all pre-buried top at the pier stud, the both ends of dead lever of split all are fixed with the bracket, because the bracket is 7 font structures, its top is parallel with ground, the bottom again with pier stud lateral wall fixed connection of below, consequently, can bear very big gravity, fixed setting is used for bearing the support body of roof beam body above the bracket, whole structure designs ingeniously and draws dead lever and bracket to utilize the pier stud as the strong point, just so can need not to use traditional console mode steel pipe bailey beam supporting structure, thereby the construction organization degree of difficulty increase in the cross construction of avoiding, constructor's safety risk increases, to construction progress control, entity quality control, construction risk control, the unfavorable problem of construction cost control.
Preferably, a climbing cone is embedded in the pier stud, and the end part of the climbing cone protrudes out of the side wall of the pier stud; the climbing awl is located below the opposite-pulling fixing rod and used for fixedly connecting the pier stud with the lower portion of the bracket. The structure is convenient for construction, low in cost, and firm in connection due to the fact that the nut and the climbing cone are adopted for fixing.
Preferably, the bracket comprises a bracket beam, one end of the bracket beam is fixedly connected with one end of a bracket diagonal rod, and an included angle smaller than 90 degrees is formed between the bracket beam and the bracket diagonal rod;
the other end of the bracket beam is fixedly provided with a bracket beam fixing plate which can be fixedly connected with the connecting and fixing part of the counter-pull fixing rod;
the other end of bracket down tube is fixed and is provided with bracket down tube fixed plate, bracket down tube fixed plate can with climb awl matching and correspond the connection.
Preferably, the bracket beam fixing plate is of a plate-shaped structure, a plurality of beam plate fixing holes are formed in the bracket beam fixing plate, a beam stiffening plate is welded to the bracket beam fixing plate, one side of the beam stiffening plate is welded to the bracket beam fixing plate, and the other side of the beam stiffening plate is welded to the bracket beam;
the crossbeam plate fixing holes are matched and correspond to the opposite-pulling fixing rods; the connecting and fixing part of the opposite pull fixing rod is provided with external threads, the connecting and fixing part is arranged in the cross beam plate fixing hole in a penetrating mode, and the opposite pull fixing rod and the bracket cross beam fixing plate can be fixed through nuts. And the threaded nut is adopted for fixing, so that the cost is low and the connection is reliable.
Preferably, the bracket diagonal rod fixing plate is of a plate-shaped structure, and a plurality of diagonal rod plate fixing holes are formed in the bracket diagonal rod fixing plate;
and the bracket diagonal rod fixing plate is provided with a diagonal rod stiffening plate, one side of the diagonal rod stiffening plate is welded with the bracket diagonal rod fixing plate, and the other side of the diagonal rod stiffening plate is welded with the bracket diagonal rod.
Preferably, the bracket diagonal rod and the bracket cross beam are spliced by I-shaped steel. The structure has good mechanical strength and strong bearing capacity, and the material is easy to purchase.
Preferably, a sand box is fixedly arranged on the bracket cross beam, and a pier-side main cross beam or a pier-top main cross beam is arranged on the sand box;
and a Bailey beam is arranged on the pier side main beam and the pier top main beam, and a cast-in-place beam is arranged on the Bailey beam.
Preferably, the split fixing rods are made of finish-rolled deformed steel bars.
Preferably, the counter-pulling fixing rods at the top of each pier column at least comprise a first transverse counter-pulling fixing rod, a second transverse counter-pulling fixing rod and a longitudinal counter-pulling fixing rod;
the first transverse split fixing rod and the second transverse split fixing rod are arranged in parallel along the width direction of the pier stud; the brackets are arranged on two sides of the first transverse oppositely-pulling fixing rod and the second transverse oppositely-pulling fixing rod, and the pier-side main cross beam is arranged on the bracket on the same adjacent side;
the pier top main beam comprises a pier column and is characterized in that the longitudinal oppositely-pulling fixing rods are arranged along the length direction of the pier column, the horizontal height of the longitudinal oppositely-pulling fixing rods is higher than that of the first transverse oppositely-pulling fixing rod and that of the second transverse oppositely-pulling fixing rod, two brackets are respectively fixed at two ends of the longitudinal oppositely-pulling fixing rods, and the pier top main beam is arranged on the two brackets.
Preferably, the bottom of the pier stud is provided with a bearing platform.
The beneficial effect of this application includes:
reasonable in design, the structure is ingenious, low cost, convenient operation, efficient, stability is good, and the equipment of being convenient for and dismantlement have changed conventional mode of falling to the ground, have realized cast-in-place roof beam and have not fallen to the ground the support construction, practice thrift the time limit for a project.
Drawings
FIG. 1 is a schematic longitudinal cross-section of an embodiment provided herein;
FIG. 2 is a schematic cross-sectional view of an embodiment provided herein;
FIG. 3 is a schematic structural view of a bracket according to an embodiment provided in the present application;
FIG. 4 is a schematic structural diagram of a bracket beam fixing plate according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a bracket diagonal member fixing plate according to an embodiment of the present disclosure;
FIG. 6 is a top view of a fixed position of a climbing cone in an embodiment provided by the present application;
fig. 7 is a top view of a counter-pulling securing rod position in an embodiment provided herein.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.
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 application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. 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.
As shown in fig. 1, a cast-in-place beam construction structure without a floor stand includes:
the opposite-pulling fixing rod 1 is embedded at the upper part of the pier stud 8, the end parts of the two ends of the opposite-pulling fixing rod 1 protrude out of the two sides of the pier stud 8, and the end parts of the two ends of the opposite-pulling fixing rod 1 are provided with connecting fixing parts. The bottom of the pier stud 8 is provided with a bearing platform 9.
A bracket 2 which is in a 7-shaped structure, wherein one side of the upper part of the bracket 2 is detachably connected with the connecting and fixing part of the opposite pulling fixing rod 1; the lower part of the bracket 2 is fixedly connected with the side wall of the pier stud 8. Bracket 2 is equipped with a plurality ofly, and is a plurality of 2 ring locate of bracket the periphery wall of pier stud 8, the fixed support body that is used for the carrier bar body that sets up above the bracket 2. The opposite-pulling fixing rod 1 can be any rigid metal material with a rod-shaped structure, and the main function of the opposite-pulling fixing rod is to play a role in opposite pulling and fixing. In this embodiment, the split fixing rod 1 is made of finish-rolled deformed steel bar. The bracket 2 may be made of steel pipe, channel steel, i-steel, etc., as long as it has sufficient mechanical strength and can support the girder.
The pier column 8 is also embedded with an creeping cone 3, and the end part of the creeping cone 3 protrudes out of the side wall of the pier column 8; the climbing cone 3 is located below the oppositely-pulling fixing rod 1 and is used for fixedly connecting the pier stud 8 with the lower part of the bracket 2. The structure is convenient for construction, low in cost, and firm in connection due to the fact that the nut and the climbing cone are adopted for fixing.
Counter-pull dead lever 1 is provided with many sets, all pre-buried at the top of pier stud 8, both ends of counter-pull dead lever 1 all are fixed with bracket 2, because bracket 2 is 7 font structures, its top is parallel with ground, the bottom again with pier stud lateral wall fixed connection of below, consequently, can bear very big gravity, the fixed support body that is used for the carrier bar body that sets up above bracket 2, whole structure designs ingeniously and draws dead lever 1 and bracket 2 to utilize the pier stud as the strong point, just so can need not to use traditional console mode steel pipe bei lei beam supporting structure, thereby the construction organization degree of difficulty increase in the cross construction who avoids, constructor's safety risk increases, to construction progress control, entity quality control, construction risk control, the unfavorable problem of construction cost control.
In one embodiment, as shown in fig. 3, the bracket 2 includes a bracket beam 21, one end of the bracket beam 21 is fixedly connected to one end of the bracket sway bar 20, and an included angle smaller than 90 degrees is formed between the bracket beam 21 and the bracket sway bar 20. The other end of the bracket beam 21 is fixedly provided with a bracket beam fixing plate 210, and the bracket beam fixing plate 210 can be fixedly connected with the connecting and fixing part of the opposite-pulling fixing rod 1. The other end of the bracket diagonal rod 20 is fixedly provided with a bracket diagonal rod fixing plate 201, and the bracket diagonal rod fixing plate 201 can be correspondingly connected with the climbing cone 3 in a matching manner. In this embodiment, the bracket diagonal member 20 and the bracket cross member 21 are preferably made of steel pipes or i-shaped steel. More specifically, as shown in fig. 4 and 5, the bracket beam fixing plate 210 is a plate-shaped structure, is cut from a steel plate, is provided with a plurality of beam plate fixing holes 212, and is welded with a beam stiffening plate 211, and one side of the beam stiffening plate 211 is welded with the bracket beam fixing plate 210, and the other side is welded with the bracket beam 21. The crossbeam plate fixing hole 212 is matched and corresponding to the opposite-pulling fixing rod 1; the connection fixing portion of the split fixing rod 1 is provided with external threads, the connection fixing portion is arranged in the cross beam plate fixing hole 212 in a penetrating mode, and the split fixing rod 1 and the bracket cross beam fixing plate 210 can be fixed through nuts. And the threaded nut is adopted for fixing, so that the cost is low and the connection is reliable. Similarly, the bracket sway bar fixing plate 201 is a plate-shaped structure, and is also made of a steel plate, and a plurality of sway bar plate fixing holes 203 are formed in the bracket sway bar fixing plate. The bracket diagonal rod fixing plate 201 is provided with a diagonal rod stiffening plate 202, one side of the diagonal rod stiffening plate 202 is welded with the bracket diagonal rod fixing plate 201, and the other side is welded with the bracket diagonal rod 20. As shown in fig. 4 and 5, the bracket diagonal rod 20 and the bracket cross beam 21 are formed by splicing h-shaped steel. The structure has good mechanical strength and strong bearing capacity, and the material is easy to purchase.
In one embodiment, as shown in FIG. 2, a flask 4 is fixedly disposed on the upper surface of the carrier beam 21 for supporting the upper beam to facilitate the unloading of the carriers. And the sand box 4 is provided with a pier side main beam 5 or a pier top main beam 6. And a Bailey beam 7 is arranged on the pier side main beam 5 and the pier top main beam 6, and a cast-in-place beam is arranged on the Bailey beam 7. The pier side main beam is used for bearing the arc-shaped beam body structure and the Bailey beam load, and the pier top main beam is used for bearing the equal-height section beam body structure and the Bailey beam load. The opposite-pulling fixing rods 1 at the top of each pier stud 8 at least comprise a first transverse opposite-pulling fixing rod 10, a second transverse opposite-pulling fixing rod 11 and a longitudinal opposite-pulling fixing rod 12. The first transverse counter-pulling fixing rod 10 and the second transverse counter-pulling fixing rod 11 are arranged in parallel along the width direction of the pier stud 8; the brackets 2 are arranged on two sides of the first transverse split fixing rod 10 and the second transverse split fixing rod 11, and the pier side main beam 5 is arranged on the brackets 2 on the adjacent same sides. The longitudinal split fixing rods 12 are arranged along the length direction of the pier stud 8, the horizontal height of the longitudinal split fixing rods 12 is higher than the horizontal height of the first transverse split fixing rod 10 and the second transverse split fixing rod 11, two ends of each longitudinal split fixing rod 12 are respectively fixed with one bracket 2, and the pier top main beam 6 is arranged on the two brackets 2.
The application discloses cast-in-place roof beam construction structure of no support that falls to the ground reasonable in design, the structure is ingenious, low cost, convenient operation, efficient, stability is good, and the equipment and the dismantlement of being convenient for have changed conventional mode of supporting that falls to the ground, have realized that cast-in-place roof beam does not have the support construction that falls to the ground, practice thrift the time limit for a project.
Claims (10)
1. The utility model provides a cast-in-place roof beam construction structures of no console, its characterized in that includes:
the oppositely-pulling fixing rod (1) is pre-buried at the upper part of the pier stud (8), the end parts of the two ends of the oppositely-pulling fixing rod (1) protrude out of the two sides of the pier stud (8), and the end parts of the two ends of the oppositely-pulling fixing rod (1) are provided with connecting fixing parts;
the bracket (2) is of a 7-shaped structure, and one side of the upper part of the bracket (2) is detachably connected with the connecting and fixing part of the opposite-pulling fixing rod (1); the lower part of the bracket (2) is fixedly connected with the side wall of the pier column (8);
the number of the brackets (2) is multiple, and the brackets (2) are arranged on the outer peripheral wall of the pier column (8) in a surrounding manner;
and a support frame body for bearing the beam body is fixedly arranged on the bracket (2).
2. The cast-in-place beam construction structure without a floor stand of claim 1, wherein:
the interior of the pier column (8) is also pre-embedded with a creeping cone (3), and the end part of the creeping cone (3) protrudes out of the side wall of the pier column (8); the climbing cone (3) is located below the oppositely-pulled fixing rod (1) and is used for fixedly connecting the pier stud (8) with the lower part of the bracket (2).
3. The cast-in-place beam construction structure without a floor stand of claim 2, wherein:
the bracket (2) comprises a bracket cross beam (21), one end of the bracket cross beam (21) is fixedly connected with one end of a bracket diagonal rod (20), and an included angle smaller than 90 degrees is formed between the bracket cross beam (21) and the bracket diagonal rod (20);
a bracket beam fixing plate (210) is fixedly arranged at the other end of the bracket beam (21), and the bracket beam fixing plate (210) can be fixedly connected with a connecting and fixing part of the counter-pulling fixing rod (1);
the other end of bracket down tube (20) is fixed and is provided with bracket down tube fixed plate (201), bracket down tube fixed plate (201) can with climb awl (3) matching and correspond the connection.
4. The cast-in-place beam construction structure without a floor stand of claim 3, wherein:
the bracket and beam fixing plate (210) is of a plate-shaped structure, a plurality of beam plate fixing holes (212) are formed in the bracket and beam fixing plate, a beam stiffening plate (211) is welded to the beam fixing plate, one side of the beam stiffening plate (211) is welded to the bracket and beam fixing plate (210), and the other side of the beam stiffening plate is welded to the bracket and beam (21);
the crossbeam plate fixing holes (212) are matched and correspond to the opposite-pulling fixing rods (1); the connecting and fixing part of the opposite-pulling fixing rod (1) is provided with external threads, the connecting and fixing part is arranged in the cross beam plate fixing hole (212) in a penetrating manner, and the opposite-pulling fixing rod (1) and the bracket and cross beam fixing plate (210) can be fixed through nuts.
5. The cast-in-place beam construction structure without a floor stand of claim 3, wherein:
the bracket diagonal rod fixing plate (201) is of a plate-shaped structure, and a plurality of diagonal rod plate fixing holes (203) are formed in the bracket diagonal rod fixing plate;
an inclined rod stiffening plate (202) is arranged on the bracket inclined rod fixing plate (201), one side of the inclined rod stiffening plate (202) is welded with the bracket inclined rod fixing plate (201), and the other side of the inclined rod stiffening plate is welded with the bracket inclined rod (20).
6. The cast-in-place beam construction structure without a floor stand of claim 3, wherein:
the bracket diagonal rod (20) and the bracket cross beam (21) are formed by splicing I-shaped steel.
7. The cast-in-place beam construction structure without a floor stand of claim 3, wherein:
a sand box (4) is fixedly arranged on the bracket cross beam (21), and a pier-side main cross beam (5) or a pier-top main cross beam (6) is arranged on the sand box (4);
a Bailey beam (7) is arranged on the pier side main beam (5) and the pier top main beam (6), and a cast-in-place beam is arranged on the Bailey beam (7).
8. The cast-in-place beam construction structure without floor stand of claim 1, characterized in that:
the split fixing rod (1) is made of finish-rolled deformed steel bars.
9. The cast-in-place beam construction structure without a floor stand of claim 7, wherein:
the oppositely-pulling fixing rods (1) at the top of each pier stud (8) at least comprise a first transverse oppositely-pulling fixing rod (10), a second transverse oppositely-pulling fixing rod (11) and a longitudinal oppositely-pulling fixing rod (12);
the first transverse oppositely-pulling fixing rod (10) and the second transverse oppositely-pulling fixing rod (11) are arranged in parallel along the width direction of the pier stud (8); the brackets (2) are arranged on two sides of the first transverse opposite-pulling fixing rod (10) and the second transverse opposite-pulling fixing rod (11), and the pier-side main cross beam (5) is arranged on the adjacent bracket (2) on the same side;
the pier top main beam is characterized in that the longitudinal split fixing rods (12) are arranged along the length direction of the pier stud (8), the horizontal height of the longitudinal split fixing rods (12) is higher than the horizontal height of the first transverse split fixing rods (10) and the second transverse split fixing rods (11), two ends of the longitudinal split fixing rods (12) are respectively fixed with one bracket (2), and the pier top main beam (6) is arranged on the two brackets (2).
10. The cast-in-place beam construction structure without floor stand of claim 1, characterized in that:
the bottom of pier stud (8) is provided with cushion cap (9).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220962893.8U CN217579720U (en) | 2022-04-25 | 2022-04-25 | Cast-in-place beam construction structure without floor stand |
| JP2022002468U JP3239324U (en) | 2022-04-25 | 2022-07-27 | Construction structure of cast-in-place beams without ground support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220962893.8U CN217579720U (en) | 2022-04-25 | 2022-04-25 | Cast-in-place beam construction structure without floor stand |
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| Publication Number | Publication Date |
|---|---|
| CN217579720U true CN217579720U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220962893.8U Active CN217579720U (en) | 2022-04-25 | 2022-04-25 | Cast-in-place beam construction structure without floor stand |
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| Country | Link |
|---|---|
| JP (1) | JP3239324U (en) |
| CN (1) | CN217579720U (en) |
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- 2022-04-25 CN CN202220962893.8U patent/CN217579720U/en active Active
- 2022-07-27 JP JP2022002468U patent/JP3239324U/en active Active
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| JP3239324U (en) | 2022-10-04 |
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