High-ductility concrete combination column structure

Abstract

The utility model discloses a high ductility concrete combination column structure, which belongs to the technical field of civil engineering, and comprises a cement sleeve, first vertical ribs, second vertical ribs, steel ribs and filling concrete, and the top end of the cement sleeve is respectively provided with a plurality of first vertical ribs and a plurality of second vertical ribs in a penetrating manner. According to the high-ductility concrete combination column structure, due to the design of the cement sleeve and the steel rib, the cement sleeve is prefabricated through a factory, the cement sleeve is aligned to and penetrates through the first vertical rib and the second vertical rib on the mounting base column and then is fixed to the steel rib, and then the space between the cement sleeve and the steel rib is filled with filling concrete; in this way, time consumed by formwork erecting and dismantling is saved, the overall durability and strength of the combination column are improved, meanwhile, the whole process is few in procedure, and the construction period is effectively shortened; and secondly, the steel ribs are matched with the cement sleeves, so that the overall bearing capacity and shock resistance of the combined column structure can be improved, and the rigidity degradation speed of the combined column is slowed down.

Description

TECHNICAL FIELD

[0001] The utility model belongs to civil engineering technical field, especially a kind of high ductility concrete composite column structure. BACKGROUND

[0002] Due to the huge casualties and property losses caused by earthquake, the collapse and damage of housing construction are the main reason for casualties and property losses during earthquake, therefore, to take engineering measures to improve the seismic capacity of housing construction is the key to reduce earthquake disaster and reduce casualties and property losses during earthquake.

[0003] High ductility concrete composite column structure has the advantages of large rigidity, high bearing capacity and good seismic performance, and meets the design concept of "strong column weak beam", and is especially suitable for high-rise buildings and buildings in high-intensity seismic fortification zone, and is an important development direction in composite structure field in recent years.

[0004] At present, wood formwork, steel formwork, bamboo formwork and other formwork supports are mostly used when pouring high ductility concrete composite column structure in engineering, and after the concrete column is cured and formed, the supporting formwork is removed to complete the construction, but in this process, the on-site construction personnel need to carry out the complex procedures of supporting and removing formwork, and the whole supporting and removing formwork process is time-consuming and labor-intensive, so there is an urgent need for a high ductility concrete composite column structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a high ductility concrete composite column structure to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high ductility concrete composite column structure, comprising a cement sleeve, a first vertical rib, a second vertical rib, a steel bone and filling concrete, a plurality of first vertical ribs and second vertical ribs are respectively arranged through the top end of the cement sleeve, a steel bone is arranged on the inner wall of the cement sleeve, and filling concrete is wrapped between the cement sleeve and the steel bone.

[0007] The cement sleeve comprises a cement outer pipe, four positioning grooves are formed in the bottom end of the cement outer pipe, four connecting ribs are installed at the top end of the cement outer pipe, eight reinforcing ribs are arranged on the inner wall of the cement outer pipe, a cement inner pipe is arranged on one side of the eight reinforcing ribs, fixing grooves are formed on both sides of the inner wall of the cement inner pipe, and the cement inner pipe is connected with the steel bone through the fixing grooves.

[0008] As a preferred embodiment, two screw rods are arranged between the cement sleeve and the steel bone, and the two screw rods are arranged in cross, one end of each screw rod is provided with a nut, and the two screw rods are connected and fixed through the nuts.

[0009] As a preferred implementation, the four sides of the outer cement pipe top are provided with a plurality of first rib reserved holes, the four sides of the inner cement pipe top are provided with a plurality of second rib reserved holes, and the first rib reserved holes and the second rib reserved holes are respectively connected with the first vertical rib and the second vertical rib.

[0010] As a preferred implementation, one side of the cement sleeve is provided with two first fixing holes, one side of the steel skeleton is provided with two second fixing holes, and the first fixing holes and the second fixing holes are respectively connected with the outer wall of the screw rod.

[0011] As a preferred implementation, eight reinforcing ribs are symmetrically arranged on the four sides of the inner wall of the outer cement pipe, and the reinforcing ribs are not in contact with the screw rod.

[0012] As a preferred implementation, one side of the two connecting ribs is provided with two third fixing holes, and the third fixing holes are also connected with the outer wall of the screw rod.

[0013] Compared with the prior art, the technical effects and advantages of the utility model are:

[0014] The high ductility concrete composite column structure is designed by the cement sleeve and the steel skeleton, the cement sleeve is precast in the factory, is aligned and is installed through the first vertical rib, the second vertical rib on the pedestal column and the steel skeleton and is fixed, then the filling concrete is filled between the cement sleeve and the steel skeleton, so that the time consumption of formwork and form removal is saved, the overall durability and strength of the composite column are improved, the process is less, and the construction period is effectively shortened; secondly, the steel skeleton cooperates with the cement sleeve, the overall bearing capacity and the seismic resistance of the composite column structure are increased, and the stiffness degradation speed of the composite column is slowed down.

[0015] The screw rod is arranged between the cement sleeve and the steel skeleton, and the screw rod is fixed by the nut, so that the adhesion between the steel skeleton and the filling concrete is improved, and the local buckling of the steel skeleton is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to the drawings without creating labor.

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2The utility model discloses a cement casing bottom end structure schematic diagram.

[0019] Figure 3 The utility model discloses a connecting rib and cement inner tube connecting structure schematic diagram.

[0020] Figure 4 The utility model discloses a steel skeleton schematic diagram.

[0021] Mark explanation:

[0022] In the drawing: 1, cement casing; 2, first vertical muscle; 3, second vertical muscle; 4, steel skeleton; 5, fill concrete; 6, screw rod; 7, nut;

[0023] 101, cement outer tube; 102, positioning groove; 103, connecting rib; 104, reinforcing rib; 105, cement inner tube; 106, fixed groove; 107, first muscle strip reserved hole; 108, second muscle strip reserved hole; 109, first fixed hole; 110, third fixed hole;

[0024] 401, second fixed hole. Specific embodiment

[0025] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0026] Unless the direction defined separately, the direction such as up, down, left, right, front, back, inside and outside in this paper is with the direction such as up, down, left, right, front, back, inside and outside in the drawing of the utility model as reference, which is explained here.

[0027] The connecting mode can adopt the existing mode such as bonding, welding, bolt connection and the like, and the actual need is accurate.

[0028] The embodiment provides a cement casing, which comprises a cement outer tube, a cement inner tube and a connecting rib. Figures 1 to 4The illustrated high ductility concrete composite column structure includes a cement sleeve 1, first vertical bars 2, second vertical bars 3, a steel skeleton 4, and filling concrete 5. The cement sleeve 1 is made of high ductility concrete and is prefabricated by engineering. This not only saves the time consumed by formwork and form removal, but also improves the overall durability and strength of the composite column. The top end of the cement sleeve 1 is provided with a plurality of first vertical bars 2 and second vertical bars 3, respectively. The inner wall of the cement sleeve 1 is provided with a steel skeleton 4 in the shape of an I-beam, which can also be in other shapes. The steel skeleton 4 cooperates with the cement sleeve 1 to increase the overall load-bearing capacity and seismic resistance of the concrete composite column structure, thereby slowing down the stiffness degradation rate of the composite column. The cement sleeve 1 and the steel skeleton 4 are wrapped with filling concrete 5, which is also made of high ductility concrete. The first vertical bars 2, the second vertical bars 3, and the steel skeleton 4 are all arranged on the installed foundation pile column.

[0029] The cement sleeve 1 includes a cement outer tube 101, four positioning grooves 102 are formed at the bottom end of the cement outer tube 101, four connecting ribs 103 are installed at the top end of the cement outer tube 101, the connecting ribs 103 and the positioning grooves 102 facilitate the splicing of two cement sleeves 1 together, eight reinforcing ribs 104 are arranged on the inner wall of the cement outer tube 101, one side of the eight reinforcing ribs 104 is provided with a cement inner tube 105, the cement inner tube 105 cooperates with the reinforcing ribs 104 to constrain the filling concrete 5 in the composite column, thereby improving the overall load-bearing capacity and ductile deformation capacity of the composite column, and fixing grooves 106 are formed on both sides of the inner wall of the cement inner tube 105, and the cement inner tube 105 is connected with the steel skeleton 4 through the fixing grooves 106.

[0030] The two screw rods 6 are arranged between the cement sleeve 1 and the steel skeleton 4, and the two screw rods 6 are arranged in a cross shape. One end of each screw rod 6 is provided with a nut 7, and the two screw rods 6 are connected and fixed through the nuts 7. Under the action of the screw rods 6 and the nuts 7, the adhesion between the steel skeleton 4 and the filling concrete 5 is improved, and local buckling of the steel skeleton 4 is prevented.

[0031] The four edges of the top end of the cement outer tube 101 are provided with a plurality of first bar reserved holes 107, and the four edges of the top end of the cement inner tube 105 are provided with a plurality of second bar reserved holes 108. The first bar reserved holes 107 and the second bar reserved holes 108 are respectively connected with the first vertical bars 2 and the second vertical bars 3.

[0032] One side of the cement sleeve 1 is provided with two first fixing holes 109, the first fixing holes 109 pass through the two positioning grooves 102 and reach the other side of the cement sleeve 1. One side of the steel skeleton 4 is provided with two second fixing holes 401. The first fixing holes 109 and the second fixing holes 401 are respectively connected with the outer wall of the screw rods 6.

[0033] The eight reinforcing ribs 104 are symmetrically arranged on four sides of the inner wall of the cement outer pipe 101, and the reinforcing ribs 104 are not in contact with the screw rod 6.

[0034] The two connecting ribs 103 are provided with two third fixing holes 110, and the third fixing holes 110 are also in threaded connection with the outer wall of the screw rod 6.

[0035] Working principle

[0036] The first rib reserved hole 107, the second rib reserved hole 108 and the fixing groove 106 of the prefabricated cement sleeve 1 are respectively aligned and passed through the first vertical rib 2, the second vertical rib 3 and the steel skeleton 4 on the installation foundation pile column, the cement sleeve 1 is fixed, then other cement sleeves 1 are sequentially passed through the first vertical rib 2, the second vertical rib 3 and the steel skeleton 4, and the positioning groove 102 at the bottom end is aligned with the connecting rib 103 at the top end of the bottommost cement sleeve 1, then the screw rod 6 is sequentially passed through the first fixing hole 109, the third fixing hole 110 and the second fixing hole 401 from one side of the cement sleeve 1, and then the screw rod 6 is threaded out from the other side of the cement sleeve 1, then the screw cap 7 is fixed, finally the filling concrete 5 is filled between the cement sleeve 1 and the steel skeleton 4, so that the time consumption of formwork erection and formwork removal is saved, the overall durability and strength of the composite column are improved, and the whole process is less, effectively shortening the construction period.

[0037] It should be noted that, in the present text, relational terms such as one and two and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or equipment. Without more limitations, the statement "comprises a limited element" does not exclude the presence of additional identical elements in the process, method, article, or equipment including the described element.

[0038] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high ductility concrete composite column structure, characterized by: The cement sleeve, the first vertical rib, the second vertical rib, the steel skeleton and the filling concrete, the top of the cement sleeve is provided with a plurality of first vertical ribs and second vertical ribs respectively, the inner wall of the cement sleeve is provided with a steel skeleton, and the cement sleeve and the steel skeleton are wrapped with filling concrete; The cement sleeve comprises a cement outer tube, four positioning grooves are formed in the bottom end of the cement outer tube, four connecting ribs are installed at the top end of the cement outer tube, eight reinforcing ribs are arranged on the inner wall of the cement outer tube, the side of the eight reinforcing ribs is commonly provided with a cement inner tube, the inner wall of the cement inner tube is provided with fixing grooves on both sides, and the cement inner tube is connected with the steel skeleton through the fixing grooves.

2. The high ductility concrete composite column structure according to claim 1, wherein: The cement sleeve and the steel skeleton are commonly provided with two screws, and the two screws are cross arranged, one end of the two screws is provided with a nut, and the two screws are connected and fixed through the nut.

3. The high ductility concrete composite column structure according to claim 1, wherein: The four edges of the top end of the cement outer tube are provided with a plurality of first rib reserved holes, the four edges of the top end of the cement inner tube are provided with a plurality of second rib reserved holes, and the first rib reserved hole and the second rib reserved hole are respectively connected with the first vertical rib and the second vertical rib.

4. The high ductility concrete composite column structure according to claim 2, wherein: The side of the cement sleeve is provided with two first fixing holes, the side of the steel skeleton is provided with two second fixing holes, and the first fixing hole and the second fixing hole are respectively connected with the outer wall of the screw.

5. The high ductility concrete composite column structure according to claim 2, wherein: The eight reinforcing ribs are symmetrically arranged on the four edges of the inner wall of the cement outer tube, and the reinforcing ribs are not in contact with the screws.

6. The high ductility concrete composite column structure according to claim 2, wherein: The side of the two connecting ribs is provided with two third fixing holes, and the third fixing hole is also connected with the outer wall of the screw.

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