Raft steel bar supporting system capable of replacing tie bar

Abstract

The utility model discloses a raft reinforcing steel bar supporting system capable of replacing tie bars, which relates to the technical field of building construction and comprises a plurality of vertical rod tie bars which are parallel to one another, are uniformly distributed between upper-layer reinforcing steel bars and lower-layer reinforcing steel bars of a raft and are perpendicular to raft load-bearing reinforcing steel bars, and a plurality of vertical rod tie bars which are parallel to one another and are uniformly distributed between the upper-layer reinforcing steel bars and the lower-layer reinforcing steel bars of the raft. The vertical rod lacing wire comprises a vertical rod rib, an upper lacing wire hook and a lower lacing wire hook are welded to the upper side wall and the lower side wall of the vertical rod rib respectively, a first hook bent downwards is arranged at the upper end of the upper lacing wire hook, and a second hook bent upwards is arranged at the lower end of the lower lacing wire hook. The groove of the first hook is used for being connected with an upper-layer steel bar of the raft in a binding mode, and the groove of the second hook is used for being connected with a lower-layer steel bar of the raft in a binding mode. The lower ends of the vertical rod ribs are further provided with gaskets used for supporting. The scheme can replace a tie bar effect, a construction mode of adopting both tie bars and a support system is changed, the tie bars are combined with supports, and the use amount of steel bars is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, and particularly relates to a raft steel bar support system capable of replacing a tie bar. BACKGROUND

[0002] At present, the tie bar commonly used in the construction of an ultra-thick raft is a small-diameter steel bar, and the small-diameter tie bar is easy to realize a 135° hook, and is easier to implement in construction.

[0003] In a nuclear power project, a large-diameter tie bar is often used, and there are serious drawbacks in realizing a 135° hook, and the vertical length after the hook is too long, causing waste of steel. Therefore, the nuclear power project department has improved the tie bar form by using a round buckle disc plus a steel bar screw connection technology to solve the problem of steel waste, but through investigation and understanding, the round buckle disc plus steel bar screw connection technology has the disadvantages of unstable binding. UTILITY MODEL CONTENTS

[0004] The utility model discloses a raft steel bar support system capable of replacing a tie bar, which combines the tie bar with support through a stable binding mode and reduces the amount of steel bars.

[0005] The utility model discloses the following technical scheme:

[0006] A raft steel bar support system capable of replacing a tie bar, comprising:

[0007] A plurality of vertical rod tie bars are parallel to each other and uniformly distributed between the upper and lower steel bars of the raft and are arranged vertically with the raft stress steel bars.

[0008] The vertical rod tie bar comprises a vertical rod bar, and upper and lower side walls of the vertical rod bar are respectively welded with an upper tie bar hook and a lower tie bar hook, the upper end of the upper tie bar hook is provided with a first hook bent downward, and the lower end of the lower tie bar hook is provided with a second hook bent upward; the groove of the first hook is used for binding connection with the upper steel bar of the raft, and the groove of the second hook is used for binding connection with the lower steel bar of the raft.

[0009] The lower end of the vertical rod bar is further provided with a gasket for support.

[0010] Compared with the large-diameter tie bar in the prior art, the 135° hook exists serious disadvantages, and the circular buckle plate and steel screw connection technology exists unstable tie-in problems, the scheme provides a raft steel bar support system which can replace the tie bar, is suitable for nuclear power engineering super-thick raft construction technology, and large-diameter tie bar, and can be used for raft construction in other civil and industrial construction fields. The scheme combines the tie bar with the support through the stable tie-in mode, and reduces the amount of steel bars. In the specific scheme, a plurality of vertical rod tie bars are evenly distributed in the longitudinal and transverse directions, and the distance between adjacent vertical rod tie bars is determined according to the multiple of the tie bar spacing; the upper tie bar hook and the lower tie bar hook are separately welded on the upper side wall of the vertical rod tie bar, so that the upper layer steel bars of the raft are placed in the groove through the upper tie bar hook and are connected by binding, and the lower layer steel bars of the raft are placed in the groove through the lower tie bar hook and are connected by binding, so as to form a stable tie-in structure, and the bottom of the vertical rod tie bar is provided with a pad for stable support; the above scheme can replace the tie bar, change the construction mode of using both tie bars and support systems, combine the tie bar with the support, and reduce the amount of steel bars.

[0011] Further optimization is provided for the working surface for binding the upper layer steel bars of the raft, and a plurality of upper layer transverse horizontal rods are further included, which are sequentially welded with a plurality of vertical rod tie bars located in the same transverse direction.

[0012] Further optimization is provided for forming a stable support system, and the lower end of the upper tie bar hook is further provided with an upwardly bent third hook, the upper layer transverse horizontal rod is located at the position of the third hook, and the upper layer transverse horizontal rod and a plurality of third hook grooves located in the same transverse direction are sequentially connected by binding.

[0013] Further optimization is provided for improving the support strength of the working surface, and a plurality of upper layer longitudinal horizontal rods are further included, which are sequentially connected with a plurality of the upper layer transverse horizontal rods by binding.

[0014] Further optimization is provided for forming the same direction pulling, and the upper tie bar hook and the lower tie bar hook are located on the same side of the vertical rod.

[0015] Further optimization is provided for improving the stability of the entire raft steel bar support system and providing a working surface for binding the middle layer steel bars of the raft, and a plurality of middle layer transverse horizontal rods and middle layer longitudinal horizontal rods are further included, the middle layer transverse horizontal rods are sequentially welded with a plurality of vertical rod tie bars located in the same transverse direction; and the middle layer longitudinal horizontal rods are sequentially welded with a plurality of vertical rod tie bars located in the same longitudinal direction.

[0016] Further optimization, in order to improve the support strength of the working face, the middle layer transverse horizontal rod is located on the upper side or the lower side of the middle layer longitudinal horizontal rod, and the intersection position of the middle layer transverse horizontal rod and the middle layer longitudinal horizontal rod is welded.

[0017] Further optimization, in order to solve the unstable problem of the tie caused by stepping and the like, the adjustable tie bars are further provided, the adjustable tie bars are parallel to each other and uniformly distributed between the upper and lower steel bars of the raft; the two ends of the adjustable tie bar are provided with end plates for supporting.

[0018] Further optimization, in order to solve the problem of distance change caused by stepping and the like on site, so as to match different steel bar distances, the length of the adjustable tie bar is variable.

[0019] Further optimization, as a specific structure of the adjustable tie bar, the adjustable tie bar comprises an upper head bar, a basket joint and a lower head bar connected in sequence, the basket joint is provided with threaded through holes at both ends, and the upper head bar and the lower head bar are provided with threaded nipples matched with the threaded through holes at the end portions of the basket joint.

[0020] Further optimization, the end plate is circular in cross section.

[0021] Compared with the prior art, the raft steel bar support system has the following advantages and beneficial effects:

[0022] The raft steel bar support system can replace the tie bar, is suitable for the construction technology of the super-thick raft of the nuclear power engineering and the large-diameter tie bar, and can be used for raft construction in other civil and industrial construction fields. The raft steel bar support system can replace the tie bar, change the construction mode of using both the tie bar and the support system, combine the tie bar and the support, reduce the amount of steel bars, solve the unstable problem of the tie caused by stepping and the like on site by using the adjustable tie bar, guarantee the tie effect of the tie bar, reduce the construction difficulty and improve the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings described herein are used to provide further understanding of the embodiments of the utility model, constitute a part of the present application, and do not constitute the limitation to the embodiments of the utility model. In the drawings:

[0024] Fig. 1 The raft steel bar support system structure schematic view provided by the utility model;

[0025] Fig. 2 The vertical rod tie bar structure schematic view provided by the utility model;

[0026] Fig. 3 The adjustable reinforcing bar structure schematic view is provided.

[0027] Markings in the drawings and corresponding component names:

[0028] 1-stand bar reinforcing bar, 2-middle layer transverse horizontal rod, 3-middle layer longitudinal horizontal rod, 4-upper layer transverse horizontal rod, 5-adjustable reinforcing bar, 6-gasket, 7-lower reinforcing bar hook, 8-upper reinforcing bar hook, 9-stand bar, 10-lower head bar, 11-upper head bar, 12-flower basket joint. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below by combining with examples and drawings, and the illustrative embodiment of the utility model and its description are only used for explaining the utility model, and do not serve as the limitation of the utility model.

[0030] Example:

[0031] The embodiment provides a raft steel bar support system capable of replacing reinforcing bar, as shown in the drawing, which comprises: Figs. 1-3

[0032] A plurality of stand bar reinforcing bars 1 are parallel to each other and uniformly distributed between upper reinforcing bars and lower reinforcing bars of the raft and are arranged perpendicularly to raft stress reinforcing bars.

[0033] The stand bar reinforcing bar 1 comprises a stand bar 9, the upper and lower sidewalls of the stand bar 9 are respectively welded with upper reinforcing bar hooks 8 and lower reinforcing bar hooks 7, the upper reinforcing bar hooks 8 are provided with downwardly bent first hooks at the upper ends, the lower reinforcing bar hooks 7 are provided with upwardly bent second hooks at the lower ends, the groove of the first hook is used for binding connection with the upper reinforcing bars of the raft, and the groove of the second hook is used for binding connection with the lower reinforcing bars of the raft.

[0034] The lower end of the stand bar 9 is further provided with a gasket 6 for supporting.

[0035] ​Compared with the large-diameter tie bar in the prior art, the 135° hook exists serious disadvantages, and the circular buckle plate and steel screw connection technology exists unstable tie-in problems, the scheme provides a raft steel bar support system which can replace the tie bar, is suitable for nuclear power engineering super-thick raft construction technology, and large-diameter tie bar, and can be used for raft construction in other civil and industrial construction fields. The scheme combines the tie bar with the support through the stable tie-in mode, and reduces the amount of steel bars. In the specific scheme, a plurality of vertical rod tie bars 1 are evenly distributed in the longitudinal and transverse directions, and the distance between adjacent vertical rod tie bars 1 is determined according to the multiple of the tie bar spacing. An upper tie bar hook 8 and a lower tie bar hook 7 are separately welded on the upper side wall of the vertical rod tie bar 1, so that the upper layer steel bars of the raft are placed in the groove through the upper tie bar hook 8 and are connected by binding, and the lower layer steel bars of the raft are placed in the groove through the lower tie bar hook 7 and are connected by binding, so as to form a stable tie-in structure. The bottom of the vertical rod tie bar 1 is provided with a pad for stable support. The above scheme can replace the tie bar, change the construction mode of using both the tie bar and the support system, combine the tie bar with the support, and reduce the amount of steel bars.

[0036] In the embodiment, in order to provide a working surface for binding the upper layer steel bars of the raft, a plurality of upper layer transverse horizontal rods 4 are sequentially welded with a plurality of vertical rod tie bars 1 located in the same transverse direction.

[0037] In the embodiment, in order to form a stable support system, the lower end of the upper tie bar hook 8 is further provided with an upwardly bent third hook, the upper layer transverse horizontal rod 4 is located at the position of the third hook, and the upper layer transverse horizontal rod 4 and the grooves of a plurality of third hooks located in the same transverse direction are sequentially connected by binding.

[0038] In the embodiment, in order to improve the support strength of the working surface, a plurality of upper layer longitudinal horizontal rods are sequentially connected with a plurality of upper layer transverse horizontal rods 4 by binding.

[0039] In the embodiment, in order to form the same direction and pull, the upper tie bar hook 8 and the lower tie bar hook 7 are located on the same side of the vertical rod tie bar 9.

[0040] In the embodiment, in order to improve the stability of the entire raft steel bar support system and provide a working surface for binding the middle layer steel bars of the raft, a plurality of middle layer transverse horizontal rods 2 and middle layer longitudinal horizontal rods 3 are further included, the middle layer transverse horizontal rods 2 and a plurality of vertical rod tie bars 9 located in the same transverse direction are sequentially welded, and the middle layer longitudinal horizontal rods 3 and a plurality of vertical rod tie bars 9 located in the same longitudinal direction are sequentially welded.

[0041] In the embodiment, in order to improve the support strength of the working face, the middle layer transverse horizontal rod 2 is located on the upper side or the lower side of the middle layer longitudinal horizontal rod 3, and the middle layer transverse horizontal rod 2 and the middle layer longitudinal horizontal rod 3 are welded to each other at the intersection position.

[0042] In the embodiment, in order to solve the problem of unstable tie caused by stepping and other reasons on site, the adjustable tie 5 is further included, a plurality of the adjustable ties 5 are parallel to each other and uniformly distributed between the upper layer reinforcement and the lower layer reinforcement of the raft, and the two ends of the adjustable tie 5 are provided with end plates for support. The adjustable tie 5 can realize the support of the upper layer and the lower layer of the raft, thereby improving the stability of the support system, guaranteeing the tie effect of the tie, reducing the construction difficulty, and improving the construction efficiency.

[0043] In the embodiment, in order to solve the problem of spacing change caused by stepping and other reasons on site, thereby matching different reinforcement spacings, the length of the adjustable tie 5 is variable.

[0044] In the embodiment, as a specific structure of the adjustable tie 5, the adjustable tie 5 includes an upper head reinforcement 11, a basket joint 12, and a lower head reinforcement 10 connected in sequence, the two ends of the basket joint 12 are provided with threaded through holes, and the end portions of the upper head reinforcement 11 and the lower head reinforcement 10 towards the basket joint 12 are provided with threaded nipples matched with the threaded through holes.

[0045] In the embodiment, the end plate is circular in cross section.

[0046] Specific construction principle:

[0047] In specific use, the support is supported on the foundation pit, and the vertical rod tie 1 welded with the lower tie hook 7 is placed at a position with a distance of 3-4 times the spacing of the ties. The lower layer reinforcement of the raft is tied on the lower tie hook 7, after the lower layer reinforcement is tied, the middle layer transverse horizontal rod, the middle layer longitudinal horizontal rod, and the vertical rod tie 9 are welded in sequence to provide a working face for the middle layer reinforcement of the raft. After the middle layer reinforcement is tied, the upper layer transverse horizontal rod 4 is welded with the vertical rod to provide a working face for the upper layer reinforcement of the raft, and the upper layer longitudinal horizontal rod perpendicular to the upper layer transverse horizontal rod 4 is tied. After the reinforcement of the raft is completely tied, the upper tie hook 8 of the vertical rod tie 1 is tied and connected with the upper reinforcement and the upper layer transverse horizontal rod 4 of the raft, and finally the adjustable tie 5 is placed in sequence according to the tie spacing in the design drawing. When placing, the length of the tie is adjusted by rotating the upper head reinforcement 11 according to the spacing of the upper and lower layer reinforcement. The overall raft reinforcement support system can match different reinforcement spacings, solve the defect of unstable tie of the thick raft, guarantee the tie effect of the tie, reduce the construction difficulty, and improve the construction efficiency through the above embodiments.

[0048] The above specific embodiments explain the purpose, technical scheme and beneficial effects of the present application in further detail, and it should be understood that the above description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A raft reinforcement support system which can replace tie bars, characterized in that, The utility model relates to a kind of adjustable reinforcement for raft, including: Several vertical pole reinforcing bars (1), several the vertical pole reinforcing bars (1) are parallel and evenly distributed between upper layer reinforcement and lower layer reinforcement of raft, and are arranged perpendicularly with raft stress reinforcement; The vertical pole reinforcing bar (1) includes vertical pole bar (9), upper reinforcing bar hook (8) and lower reinforcing bar hook (7) are welded with upper side wall and lower side wall of the vertical pole bar (9) respectively, the upper reinforcing bar hook (8) upper end is with the first hook that is bent downward, the lower reinforcing bar hook (7) lower end is with the second hook that is bent upward;The groove of the first hook is used for and the upper layer reinforcement of the raft is tied and connected, the groove of the second hook is used for and the lower layer reinforcement of the raft is tied and connected; The vertical pole bar (9) lower end is also with spacer (6) for support.

2. A raft reinforcement support system which can replace tie, according to claim 1, characterized in that, It further includes several upper layer transverse horizontal bars (4), the upper layer transverse horizontal bar (4) and several vertical pole reinforcing bars (1) in the same transverse direction are sequentially welded.

3. A raft reinforcement support system which can replace tie, according to claim 2, characterized in that, The lower end of the upper reinforcing bar hook (8) is also provided with a third hook bent upward, the upper layer transverse horizontal bar (4) is located at the position of the third hook, and the upper layer transverse horizontal bar (4) and the grooves of several third hooks in the same transverse direction are sequentially tied and connected.

4. A raft reinforcement support system which can replace tie, according to claim 3, characterized in that, It further includes several upper layer longitudinal horizontal bars, which are sequentially tied and connected to several upper layer transverse horizontal bars (4).

5. A raft reinforcement support system which can replace tie, according to claim 1, characterized in that, It further includes several middle layer transverse horizontal bars (2) and middle layer longitudinal horizontal bars (3), the middle layer transverse horizontal bar (2) and several vertical pole bars (9) in the same transverse direction are sequentially welded, and the middle layer longitudinal horizontal bar (3) and several vertical pole bars (9) in the same longitudinal direction are sequentially welded.

6. A raft reinforcement system capable of replacing tie, according to claim 5, wherein The middle layer transverse horizontal bar (2) is located on the upper side or the lower side of the middle layer longitudinal horizontal bar (3), and the intersection positions of the middle layer transverse horizontal bar (2) and the middle layer longitudinal horizontal bar (3) are welded to each other.

7. A raft reinforcement support system which can replace tie, according to claim 1, characterized in that, It further includes several adjustable reinforcing bars (5), several the adjustable reinforcing bars (5) are parallel and evenly distributed between upper layer reinforcement and lower layer reinforcement of raft;The two ends of the adjustable reinforcing bar (5) are both provided with end plate for support.

8. A raft reinforcement system capable of replacing tie bars according to claim 7, characterized in that, The length of the adjustable reinforcing bar (5) is variable.

9. A raft reinforcement system capable of replacing tie, according to claim 8, wherein The adjustable reinforcing bar (5) includes upper head bar (11), basket joint (12) and lower head bar (10) connected in sequence, the two ends of the basket joint (12) are both provided with threaded through hole, and the end of the basket joint (12) is both provided with threaded screw thread matched with the threaded through hole.

10. A raft reinforcement support system which can replace tie, according to claim 9, characterized in that, The end plate cross section is circular.

Images