CN115492313A - Method for manufacturing underground engineering precast beam reinforcement framework sections - Google Patents
Method for manufacturing underground engineering precast beam reinforcement framework sections Download PDFInfo
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- CN115492313A CN115492313A CN202211226973.8A CN202211226973A CN115492313A CN 115492313 A CN115492313 A CN 115492313A CN 202211226973 A CN202211226973 A CN 202211226973A CN 115492313 A CN115492313 A CN 115492313A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/18—Spacers of metal or substantially of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
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Abstract
The invention relates to a method for manufacturing a reinforcement cage of an underground construction Cheng Yuzhi beam in sections, which comprises two plane vertical frame bodies and a plurality of groups of transverse rod assemblies, wherein the two plane vertical frame bodies are respectively clamped on two opposite sides of the reinforcement cage, the plurality of groups of transverse rod assemblies are arranged along the length direction of the two plane vertical frame bodies at intervals, each transverse rod assembly comprises an upper group of positioning units and a lower group of positioning units, the upper group of positioning units and the lower group of positioning units are detachably connected between the two plane vertical frame bodies, each plane vertical frame body comprises a plurality of stand columns which are arranged along the axial direction of a main rib of the reinforcement cage at intervals, the plurality of stand columns are connected through a plurality of longitudinal rods, each upper positioning unit and each lower positioning unit comprises a positioning rod which is slidably arranged between the corresponding two stand columns and a supporting beam which is detachably fixed between the corresponding two stand columns, and the upper parts of the positioning rods are provided with a plurality of clamping grooves for the one-to-one corresponding main ribs of the reinforcement cage at intervals along the axial direction. The invention solves the technical problem of poor reinforcement binding quality caused by the fact that a reinforcement framework of a concrete support in a deep foundation pit is bound on site in a foundation pit excavation region in the prior art.
Description
Technical Field
The invention relates to the field of building construction, in particular to a method for manufacturing a steel bar framework section of an underground construction Cheng Yuzhi beam.
Background
Along with the rapid development of urban economy and the rapid increase of urban population density, the land resources in the urban core area are extremely scarce, foundation pit engineering develops towards the direction of super large and super deep more and more, foundation pit supporting systems, particularly concrete supports, are increased, and because reinforcement and concrete maintenance time are long, the foundation pit is easy to deform greatly in a short period due to the lack of support, so that adverse effects are caused to the surrounding environment. And to the super large ring beam of deep basal pit, the reinforcement cage mostly adopts the regional on-the-spot ligature of foundation ditch excavation at present, but because personnel's operating condition restriction, very easily produce quality problems such as reinforcement cage welding quality is not high, ligature is not standard, brings very big hidden danger for foundation ditch engineering.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a method for manufacturing underground Cheng Yuzhi beam reinforcement cage sections, which solves the technical problem of poor reinforcement binding quality caused by the on-site binding of the reinforcement cage of a concrete support in a deep foundation pit in the prior art in a foundation pit excavation area.
The invention discloses a method for manufacturing a reinforcement cage section of a Cheng Yuzhi beam of an underground construction, which comprises the steps of manufacturing two plane vertical frame bodies, and connecting a plurality of stand columns through longitudinal rods to form the plane vertical frame bodies;
a plurality of upright posts of one planar vertical frame body are arranged in one-to-one correspondence with a plurality of upright posts of the other planar vertical frame body, a lower positioning unit is arranged between each group of opposite upright posts of the two planar vertical frame bodies, the lower positioning unit comprises a lower supporting beam fixed in the middle of the upright posts and a positioning rod arranged above the lower supporting beam in a sliding manner, a plurality of clamping grooves are formed in the upper part of the positioning rod on the opposite outer side at intervals along the axial direction, and the thickness of the positioning rod in the middle is smaller than the depth of one clamping groove of the positioning rod on the opposite outer side;
the lower main reinforcements of the steel bar framework are erected on the plurality of groups of lower positioning units, and the lower main reinforcements are correspondingly clamped into the plurality of clamping grooves on the positioning rods on the opposite outer sides one by one;
a positioning unit is arranged between each group of opposite upright posts of the two plane vertical frame bodies, the upper positioning unit comprises an upper supporting beam fixed at the upper part of the upright post and a positioning rod arranged above the upper supporting beam in a sliding way, a plurality of clamping grooves are arranged at intervals along the axial direction on the upper part of the positioning rod on the opposite outer side, and the thickness of the positioning rod on the middle part is smaller than the depth of one clamping groove on the thickness of the positioning rod on the opposite outer side;
the upper main reinforcements of the steel bar framework are erected on the plurality of groups of upper positioning units, and the upper main reinforcements are correspondingly clamped into the plurality of clamping grooves on the positioning rods on the opposite outer sides one by one;
respectively marking the position of each stirrup on the upper main reinforcement and the lower main reinforcement of the steel reinforcement framework;
binding a stirrup, and erecting and fixing the top of the stirrup on an upper main reinforcement of the steel bar framework to bind the stirrup, so that the relative inner distance from the bottom to the top of the stirrup is equal to the relative outer distance from a lower main reinforcement to an upper main reinforcement of the steel bar framework;
descending the lower support beam positioned in the middle of the upright column until the main reinforcement on the positioning rod at the lower part contacts the bottom of the stirrup, stopping descending and fixing the lower support beam on the upright column;
and binding the main reinforcement at the lower part with the stirrup.
The method for manufacturing the reinforcement frame sections of the underground engineering precast beam is further improved in that when a lower positioning unit is arranged between each group of opposite upright columns of the two plane vertical frame bodies, the lower supporting beam is fixed in the middle of the upright column through a bolt;
when the positioning unit is arranged between each group of opposite upright columns of the two plane vertical frame bodies, the upper supporting beam is fixed at the upper parts of the upright columns through bolts;
when the lower support beam positioned in the middle of the upright post is lowered, the bolt is removed, so that the lower support beam is lowered;
and when the lower support beam stops descending and is fixed on the upright post, the lower support beam is fixed on the upright post through a bolt.
The method for manufacturing the section of the reinforcement framework of the precast beam for the underground engineering is further improved in that when two plane vertical frame bodies are manufactured, a plurality of longitudinal rods and a plurality of upright posts are connected in a grid shape to form the plane vertical frame bodies.
The method for manufacturing the reinforcement frame sections of the underground engineering precast beam is further improved in that after a plurality of longitudinal rods and a plurality of upright columns are connected in a grid shape to form the plane vertical frame body, diagonal draw bars are fixedly tied between the intersection points of the upright columns and the longitudinal rods in each plane vertical frame body.
The method for manufacturing the reinforcement framework sections of the underground engineering precast beam is further improved in that the positioning rod is a channel steel with an upward opening, and the clamping grooves are formed in flange plates on two sides of the channel steel.
The method for manufacturing the reinforcement frame sections of the precast beam in the underground engineering is further improved in that the upright posts are provided with sliding grooves for the positioning rods to be installed in a sliding manner, and when a lower positioning unit is installed between each group of opposite upright posts of the two plane vertical frame bodies, two ends of the positioning rods are inserted into the sliding grooves corresponding to the upright posts.
The method for manufacturing the reinforcement frame sections of the underground engineering precast beam is further improved in that when two ends of the positioning rod are inserted into the sliding grooves corresponding to the upright posts, the positioning rod is limited in the sliding grooves through the screw rods, and the upright posts are provided with holes for the screw rods to penetrate through and the diameter of each hole is larger than that of each screw rod at the positions of the sliding grooves.
The method for manufacturing the reinforcement frame section of the precast beam in the underground engineering is further improved in that the upright post is I-shaped steel, the sliding groove is formed between two flange plates of the I-shaped steel, when a lower positioning unit is arranged between each group of opposite upright posts of the two plane vertical frame bodies, two ends of the positioning rod are inserted between the two flange plates corresponding to the I-shaped steel, and the openings are respectively arranged on the two flange plates on the opposite inner sides of the two opposite I-shaped steel.
The method for manufacturing the reinforcement frame sections of the underground engineering precast beam is further improved in that when two plane vertical frame bodies are manufactured, support legs are fixed at the bottoms of the stand columns.
Compared with the prior art, the invention has positive and obvious effect. According to the invention, through the combination of the supporting beam and the positioning rod with adjustable positions and the limiting effect of the clamping groove of the positioning rod on the main rib, the technical problem of poor reinforcement binding quality caused by the fact that a reinforcement framework of a concrete support in a deep foundation pit is bound on the site of a foundation pit excavation region in the prior art is solved. The invention can manufacture the steel bar frameworks with different sizes by changing the upper and lower positions of the positioning rod in the tire membrane frame, and the clamping groove on the positioning rod can realize the quick and accurate positioning of the longitudinal stress steel bar when the steel bar framework is manufactured, and the main bar is not easy to shift in the process of binding the steel bar.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart of the method for manufacturing the reinforcement frame section of the underground engineering precast beam.
Fig. 2 is a front view of a cross bar assembly at opposite outer sides of a formwork frame made by sectioning an underground engineering precast beam steel reinforcement framework according to the present invention.
Fig. 3 is a front view of a cross bar assembly at the middle position of a formwork rack made by sectioning an underground engineering precast beam steel bar framework of the invention.
Fig. 4 is a side view of a formwork frame manufactured by sectioning the reinforcement cage of the precast beam for underground construction according to the present invention.
Fig. 5 is a schematic diagram of the underground engineering precast beam steel reinforcement framework manufactured by sections when the main reinforcement and the outer ring stirrup are placed on the tire membrane frame.
Fig. 6 is a first process schematic diagram of the method for manufacturing the reinforcement frame section of the underground engineering precast beam.
Fig. 7 is a process schematic diagram of the method for manufacturing the reinforcement frame sections of the underground engineering precast beam.
Fig. 8 is a process schematic diagram of a third method for manufacturing a reinforcement frame section of an underground engineering precast beam.
Fig. 9 is a process schematic diagram of the method for manufacturing the reinforcement frame sections of the underground engineering precast beam.
Fig. 10 is a fifth process schematic diagram of the method for manufacturing the reinforcement frame sections of the underground engineering precast beam.
Fig. 11 is a sixth process schematic diagram of the method for manufacturing the underground engineering precast beam steel reinforcement framework section.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the invention provides a method for manufacturing a reinforcement frame section of an underground engineering precast beam, which comprises the following steps:
manufacturing two plane vertical frame bodies, and connecting a plurality of upright posts 1 through longitudinal rods 2 to form the plane vertical frame body;
the plurality of upright posts 1 of one plane vertical frame body and the plurality of upright posts 1 of the other plane vertical frame body are arranged in a one-to-one correspondence manner, a lower positioning unit is arranged between each group of opposite upright posts 1 of the two plane vertical frame bodies, the lower positioning unit comprises a lower supporting beam 4 fixed in the middle of the upright posts 1 and a positioning rod 3 arranged above the lower supporting beam 4 in a sliding manner, a plurality of clamping grooves are axially arranged at intervals on the upper part of the positioning rod 3 on the opposite outer side, and the thickness of the positioning rod 3 on the middle part is smaller than the depth of one clamping groove of the positioning rod 3 on the opposite outer side;
the lower main reinforcements 5 of the steel reinforcement framework are arranged on the plurality of groups of the lower positioning units, and the lower main reinforcements 5 are correspondingly clamped into the plurality of clamping grooves on the positioning rods 3 on the opposite outer sides one by one;
an upper positioning unit is arranged between each group of opposite upright posts 1 of the two plane vertical frame bodies, the upper positioning unit comprises an upper support beam 4 fixed on the upper part of the upright post 1 and a positioning rod 3 arranged above the upper support beam 4 in a sliding way, a plurality of clamping grooves are arranged on the upper part of the positioning rod 3 on the opposite outer side at intervals along the axial direction, and the self depth of the positioning rod 3 in the middle part is smaller than the depth of one clamping groove with the self thickness of the positioning rod 3 on the opposite outer side;
the upper main reinforcements 5 of the steel bar framework are erected on the plurality of groups of upper positioning units, and the upper main reinforcements 5 are correspondingly clamped into the plurality of clamping grooves on the positioning rods 3 on the opposite outer sides one by one;
respectively marking the position of each stirrup 6 on the upper main reinforcement 5 and the lower main reinforcement 5 of the steel reinforcement framework;
binding stirrups, and erecting and fixing the top of each stirrup 6 on an upper main reinforcement 5 of the steel reinforcement framework to bind the stirrups 6, wherein the distance from the bottom to the inner side of the top of each stirrup 6 is equal to the distance from the lower main reinforcement 5 to the outer side of the upper main reinforcement 5 of the steel reinforcement framework;
descending the lower support beam 4 positioned in the middle of the upright post 1 until the main reinforcement 5 on the positioning rod 3 at the lower part contacts the bottom of the stirrup 6, stopping descending and fixing the lower support beam 4 on the upright post 1;
the main reinforcement 5 at the lower part is bound with the stirrup 6. In this embodiment, only seted up the draw-in groove on two horizontal pole subassemblies's in the outside locating lever 3 in a plurality of horizontal pole subassemblies, the top surface of every locating lever 3 of other horizontal pole subassemblies at middle part flushes with the bottom of draw-in groove for main muscle 5 is behind the draw-in groove is gone into to the card, and the middle part position of main muscle 5 can obtain the bracketing of locating lever 3, makes main muscle 5 be difficult to the bending and on a straight line. In this embodiment, this vertical pole 3 is including the pull rod of drawknot in stand 1 and the angle steel that is used for fixed pull rod and stand 1, because the area of contact of pull rod and stand 1 is little, consequently fixes both respectively through the angle steel, will increase the area of contact of fixed position, improves fixed stability. All steel structural members of the moulding bed frame are connected through bolts, so that the mounting and the dismounting are convenient. When the main reinforcement 5 has multiple layers, when the lower supporting beam 4 positioned in the middle of the upright post 1 descends, each layer of main reinforcement 5 descends along with the supporting beam 4 at the same time, and each layer of main reinforcement 5 is bound and fixed with the stirrup 6. The method for manufacturing the steel reinforcement framework greatly improves the applicability of the steel reinforcement frameworks with various structures and improves the utilization rate of the tire membrane frame.
Preferably, when the lower positioning unit is arranged between each group of opposite upright posts 1 of the two plane vertical frame bodies, the lower support beam 4 is fixed in the middle of the upright post 1 through a bolt; when the positioning unit is arranged between each group of opposite upright posts 1 of the two plane vertical frame bodies, the upper supporting beam 4 is fixed on the upper parts of the upright posts 1 through bolts; when the lower support beam 4 positioned in the middle of the upright 1 is lowered, the bolt is removed, and the lower support beam 4 is lowered; when the descending is stopped and the lower support beam 4 is fixed to the column 1, the lower support beam 4 is fixed to the column 1 by bolts. Further, for preventing that the in-process locating lever 3 at the framework of steel reinforcement from producing the removal, also can set up the screw hole respectively at the both ends of locating lever 3, after the position of locating lever 3 is confirmed, can also pass through the bolt fastening on the stand of both sides with the both ends of locating lever 3 to guarantee that the every framework of steel reinforcement position is accurate, and then improve the quality of framework of steel reinforcement ligature.
Preferably, when making two vertical support bodies in plane, be latticed the connection with many these vertical poles 2 and many these stands 1 and form the vertical support body in plane, should arrange the form and can provide firm support system for whole fetal membrane frame, make the fetal membrane frame can support whole steel reinforcement framework's intensity.
Preferably, be the latticed back of connecting formation this vertical support body in plane with many these vertical poles 2 and many these stands 1, in the fixed oblique pull rod of drawknot between the nodical of this stand 1 in the vertical support body in every this plane and this vertical pole 2 to avoid the vertical support body in plane to produce the slope in the use, improve the holistic stability of fetal membrane frame.
Preferably, this locating lever 3 is the channel-section steel that the opening upwards set up, and on the both sides flange board of this channel-section steel was seted up to this draw-in groove, the intensity of channel-section steel was higher, and resistance to compression, shear capacity are strong, are difficult to produce deformation.
Preferably, the upright posts 1 are provided with sliding grooves for slidably mounting the positioning rod 3, and when a lower positioning unit is mounted between each group of opposite upright posts 1 of the two planar vertical frame bodies, two ends of the positioning rod 3 are inserted into the sliding grooves corresponding to the upright posts 1. The mutual bearing of many locating levers 3 is installed in the spout, realizes that locating lever 3 can pass power to the locating lever 3 of next stage, finally bears the gravity of all locating levers 3 in every positioning unit by a supporting beam 4.
Preferably, when the two ends of the positioning rod 3 are inserted into the sliding grooves corresponding to the upright posts 1, the positioning rod 3 is limited in the sliding grooves through the screw rods, and the upright posts 1 are provided with holes for the screw rods to penetrate through and the diameter of each hole is larger than that of each screw rod at the positions of the sliding grooves. Before descending this lower supporting beam 4 that will be located this stand 1 middle part, should demolish the screw rod of locating lever 3 earlier for locating lever 3 can slide from top to bottom in the spout, descends a supporting beam 4 again, thereby drives main muscle 5 on locating lever 3 and the locating lever 3 and descends simultaneously. The screw rod that the channel-section steel and the stand of two positions link to each other adopts the screw rod that is less than a model in aperture to link to each other to ensure that the reinforcing bar load can transmit load to a supporting beam 4 of lower part through the channel-section steel, and the bolt at 4 rethread both ends of a supporting beam transmits load to stand 1, and stand 1 transmits load to ground again.
Preferably, the upright post 1 is an i-steel, the sliding groove is formed between the two flange plates of the i-steel, when the positioning unit is arranged between each group of opposite upright posts 1 of the two plane vertical frame bodies, the two ends of the positioning rod 3 are inserted between the two flange plates corresponding to the i-steel, and the holes are respectively arranged on the two flange plates on the opposite inner sides of the two opposite i-steels. The I-steel has high strength, strong compression resistance and shear resistance and is not easy to deform.
Preferably, when two plane vertical frame bodies are manufactured, a support leg is fixed at the bottom of the upright post 1, and the support leg can more stably support the whole tire membrane frame.
When the stirrup 6 is bound, the inner small stirrup 6 is bound firstly, and then the outer large stirrup 6 is sleeved. As shown in fig. 6, after the stirrups 6 are completely bound, the inner frame 7 is arranged inside the steel reinforcement frame, so that the deformation amount of the steel reinforcement frame in the assembling process is reduced. And after the inner frame 7 is installed, installing the lateral reinforcing steel bars of the beam. After all the positioning rods 3 are dismantled, the whole steel reinforcement framework is lifted away. When whole fetal membrane frame equipment, should stand 1 carry out straightness control that hangs down to improve steel skeleton's ligature quality. When the reinforcement cage is bound, the position of the stirrup 6 is clearly identified, and the main reinforcement 5 is clamped into the clamping groove in a one-to-one correspondence manner, so that the reinforcement binding speed and efficiency are improved.
According to the invention, through the combination of the supporting beam and the positioning rod with adjustable positions and the limiting effect of the clamping groove of the positioning rod on the main rib, the technical problem of poor reinforcement binding quality caused by the fact that a reinforcement framework of a concrete support in a deep foundation pit is bound on the site of a foundation pit excavation region in the prior art is solved. The invention can manufacture the steel bar frameworks with different sizes by changing the upper and lower positions of the positioning rod in the tire membrane frame, and the clamping groove on the positioning rod can realize the quick and accurate positioning of the longitudinal stress steel bar when the steel bar frameworks are manufactured, and the main bar is not easy to shift in the process of binding the steel bar.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A method for manufacturing a reinforcement frame section of an underground construction Cheng Yuzhi beam is characterized by comprising the following steps:
manufacturing two plane vertical frame bodies, and connecting a plurality of upright posts through longitudinal rods to form the plane vertical frame bodies;
a plurality of stand columns of one planar vertical frame body are arranged in one-to-one correspondence with a plurality of stand columns of the other planar vertical frame body, a lower positioning unit is arranged between each group of opposite stand columns of the two planar vertical frame bodies, the lower positioning unit comprises a lower supporting beam fixed in the middle of the stand columns and a positioning rod arranged above the lower supporting beam in a sliding manner, a plurality of clamping grooves are formed in the upper part of the positioning rod on the opposite outer side at intervals along the axial direction, and the thickness of the positioning rod in the middle is smaller than the depth of one clamping groove of the positioning rod on the opposite outer side;
the lower main reinforcements of the steel bar framework are erected on the plurality of groups of lower positioning units, and the lower main reinforcements are correspondingly clamped into the plurality of clamping grooves on the positioning rods on the opposite outer sides one by one;
the positioning unit is arranged between each group of opposite upright posts of the two plane vertical frame bodies and comprises an upper support beam fixed at the upper part of the upright post and a positioning rod arranged above the upper support beam in a sliding manner, a plurality of clamping grooves are formed in the upper part of the positioning rod on the opposite outer side at intervals along the axial direction, and the thickness of the positioning rod in the middle part is smaller than the depth of one clamping groove of the positioning rod on the opposite outer side;
the upper main reinforcements of the steel bar framework are erected on the plurality of groups of upper positioning units, and the upper main reinforcements are correspondingly clamped into the plurality of clamping grooves on the positioning rods on the opposite outer sides one by one;
respectively marking the position of each stirrup on the upper main reinforcement and the lower main reinforcement of the steel reinforcement frameworks;
binding stirrups, and erecting and fixing the tops of the stirrups on the upper main reinforcements of the steel reinforcement framework to bind the stirrups, wherein the distance from the bottom to the relative inner side of the tops of the stirrups is equal to the distance from the lower main reinforcements to the relative outer sides of the upper main reinforcements of the steel reinforcement framework;
descending the lower support beam positioned in the middle of the upright column until the main reinforcement on the positioning rod at the lower part is contacted with the bottom of the stirrup, stopping descending and fixing the lower support beam on the upright column;
and binding the main reinforcement at the lower part with the stirrup.
2. The method for manufacturing the precast beam reinforcement cage section of the underground engineering according to claim 1, wherein when a lower positioning unit is installed between each set of the opposite vertical columns of the two planar vertical frames, the lower support beam is fixed to the middle of the vertical column through a bolt;
when the positioning unit is arranged between each group of opposite upright posts of the two plane vertical frame bodies, the upper supporting beam is fixed on the upper parts of the upright posts through bolts;
when the lower support beam positioned in the middle of the upright post is lowered, the bolt is removed, and the lower support beam is lowered;
and when the lower support beam stops descending and is fixed on the upright post, the lower support beam is fixed on the upright post through a bolt.
3. The method for manufacturing the precast beam steel bar framework section of the underground engineering according to claim 1, wherein when two plane vertical frame bodies are manufactured, the plurality of longitudinal rods and the plurality of upright posts are connected in a grid shape to form the plane vertical frame body.
4. The method for manufacturing the precast beam steel bar framework section of the underground engineering according to claim 3, wherein after the plurality of the vertical rods and the plurality of the upright columns are connected in a grid shape to form the planar vertical frame body, the diagonal draw bars are tied and fixed between the intersection points of the upright columns and the vertical rods in each planar vertical frame body.
5. The method for manufacturing the underground engineering precast beam steel skeleton section according to claim 1, wherein the positioning rod is a channel steel with an upward opening, and the clamping grooves are formed in flange plates on two sides of the channel steel.
6. The method according to claim 1, wherein the columns are provided with sliding grooves for slidably mounting the positioning rods, and when a lower positioning unit is mounted between each set of opposite columns of the two planar vertical frames, the two ends of the positioning rods are inserted into the sliding grooves corresponding to the columns.
7. The method for manufacturing the underground engineering precast beam steel reinforcement framework section according to claim 6, wherein when the two ends of the positioning rod are inserted into the sliding grooves corresponding to the upright posts, the positioning rod is limited in the sliding grooves through screws, and the upright posts are provided with holes for the screws to penetrate through and the diameter of each hole is larger than that of each screw at the positions of the sliding grooves.
8. The method according to claim 6, wherein the columns are i-beams, the sliding grooves are formed between two flange plates of the i-beams, when a lower positioning unit is installed between each group of opposite columns of the two planar vertical frames, two ends of the positioning rod are inserted between the two flange plates corresponding to the i-beams, and the openings are respectively formed in the two flange plates on the opposite inner sides of the two opposite i-beams.
9. The method for manufacturing the precast beam steel skeleton section of the underground engineering according to claim 1, wherein when two plane vertical frame bodies are manufactured, a support leg is fixed at the bottom of the upright column.
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| CN202211226973.8A CN115492313A (en) | 2022-10-09 | 2022-10-09 | Method for manufacturing underground engineering precast beam reinforcement framework sections |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06146587A (en) * | 1992-10-30 | 1994-05-27 | Takenaka Komuten Co Ltd | Jacking down method for footing beam bar arrangement |
| JPH11141134A (en) * | 1997-09-03 | 1999-05-25 | Asutec:Kk | Beam rib reinforcing cage, fitting for beam reinforcing bar, and assembling method of beam reinforcing bar |
| JP2954170B1 (en) * | 1998-06-08 | 1999-09-27 | 株式会社アステック | Beam rebar assembly method |
| CN109025315A (en) * | 2018-07-31 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of auxiliary device and its construction method of beam steel bar colligation |
| CN110180974A (en) * | 2019-05-18 | 2019-08-30 | 陕西建工第五建设集团有限公司 | A kind of building beam column steel reinforcement cage main reinforcement locating rack |
| CN212477431U (en) * | 2020-04-24 | 2021-02-05 | 内蒙古路桥集团有限责任公司 | Positioner that ligature steel reinforcement cage was used |
| CN213979968U (en) * | 2020-12-15 | 2021-08-17 | 郑州升达经贸管理学院 | Supporting structure convenient to stirrup cup joints beam muscle |
-
2022
- 2022-10-09 CN CN202211226973.8A patent/CN115492313A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06146587A (en) * | 1992-10-30 | 1994-05-27 | Takenaka Komuten Co Ltd | Jacking down method for footing beam bar arrangement |
| JPH11141134A (en) * | 1997-09-03 | 1999-05-25 | Asutec:Kk | Beam rib reinforcing cage, fitting for beam reinforcing bar, and assembling method of beam reinforcing bar |
| JP2954170B1 (en) * | 1998-06-08 | 1999-09-27 | 株式会社アステック | Beam rebar assembly method |
| CN109025315A (en) * | 2018-07-31 | 2018-12-18 | 中国十七冶集团有限公司 | A kind of auxiliary device and its construction method of beam steel bar colligation |
| CN110180974A (en) * | 2019-05-18 | 2019-08-30 | 陕西建工第五建设集团有限公司 | A kind of building beam column steel reinforcement cage main reinforcement locating rack |
| CN212477431U (en) * | 2020-04-24 | 2021-02-05 | 内蒙古路桥集团有限责任公司 | Positioner that ligature steel reinforcement cage was used |
| CN213979968U (en) * | 2020-12-15 | 2021-08-17 | 郑州升达经贸管理学院 | Supporting structure convenient to stirrup cup joints beam muscle |
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