Prestress FRP cable structure reinforced Tibetan rubble wall

Abstract

The utility model discloses a reinforced hidden rubble wall with a prestressed FRP (fiber reinforced plastic) cable structure. The reinforced hidden rubble wall comprises a steel beam, a steel column, a first FRP cable, a ground anchor, a beam body stiffening rib, a column body stiffening rib, an inclined cushion block, a nut, a second anchoring component and a transverse cushion block, steel columns are fixedly connected to the outer walls of the two sides of the wall body, a steel beam is fixedly connected to the upper surface of the wall body, a first FRP cable, a second FRP cable and a third FRP cable are arranged, and one end of the second FRP cable is fixedly connected to the steel beam. The prestress technology is designed, the horizontal FRP cables, the oblique FRP cables and the vertical FRP cables in the wall body form the enclosure frame effect, slippage and deformation between layers of the wall body are restrained, a steel structure is introduced into a system of the prestress FRP structure reinforced Tibetan rubble wall body for auxiliary reinforcement, an FRP-steel-stone composite system is formed, and through the technical path of combination of rigidity and softness, the wall body is reinforced through the steel structure and the stone material. The defects of a traditional wall body are further overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to structural wall body technical field, especially a kind of pre-stressed FRP cable structure enhanced Tibetan rubble wall. BACKGROUND

[0002] Tibetan rubble wall is the rubble masonry wall commonly used in traditional architecture in Tibet, and this structure will have deficiencies in seismic resistance or load bearing due to material and process reasons. The following are the problems of traditional Tibetan rubble wall: first, structural performance defects, poor structural integrity, and lack of effective bonding between stones in traditional dry masonry or mortar masonry process. It mainly relies on friction and gravity to maintain stability, has low overall rigidity, and the tensile strength of the stone itself is extremely low. The wall is prone to interlayer slip or cracking under horizontal load. Second, insufficient seismic performance. Traditional rubble wall is heavy and has poor ductility. It is prone to overturning or collapse due to inertial force during an earthquake. It lacks an effective energy dissipation mechanism. Energy is released through brittle failure, which exacerbates structural damage. The connection between the wall and the beam column is usually simple and lacks reinforcement measures, making it a weak link in seismic resistance. SUMMARY

[0003] The utility model aims to provide a kind of pre-stressed FRP cable structure enhanced Tibetan rubble wall to solve the problems raised in the above background technology.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a kind of pre-stressed FRP cable structure enhanced Tibetan rubble wall, including wall body, the outer wall of the two sides of wall body is fixedly connected with steel column, the upper surface of wall body is fixedly connected with steel beam, wall body is filled with rubble, and is provided with first FRP cable, second FRP cable and third FRP cable, and the one end of second FRP cable is fixedly connected on steel beam, first anchoring assembly and second anchoring assembly are arranged in steel column, and the two ends of first FRP cable are fixedly connected on first anchoring assembly, the two ends of third FRP cable are fixedly connected on second anchoring assembly.

[0005] As a further technical scheme of the utility model, the first anchoring assembly and the second anchoring assembly each include a stainless steel sleeve, a variable stiffness clamp is fixedly connected in the stainless steel sleeve, an anchoring end is provided at one end of the stainless steel sleeve, a connecting thread is provided on the outer wall of the anchoring end, and a nut is threadedly connected on the connecting thread.

[0006] As a further technical scheme of the utility model, a horizontal pad is fixedly connected to the position of the first anchoring assembly on the outer wall of the steel column, and an inclined pad is fixedly connected to the position of the second anchoring assembly.

[0007] As a further technical scheme of the utility model, a column body stiffening rib is provided on the steel column, and a base is fixedly connected to one end of the steel column, a through hole is formed in the upper surface of the base.

[0008] As a further technical scheme of the utility model, the bottom end of the base is provided with a fixing seat, the upper surface of the fixing seat is fixedly connected with a fixing column, and the fixing column is sleeved in the through hole.

[0009] As a further technical scheme of the utility model, the steel beam is fixedly connected with a beam body stiffening rib.

[0010] As a further technical scheme of the utility model, the bottom end of the wall body is provided with a ground anchor, and the other end of the second FRP cable is fixedly connected to the ground anchor.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the utility model is designed with prestressed technology, the horizontal FRP cable, the oblique FRP cable and the vertical FRP cable in the wall body form a frame effect, inhibit the interlayer slip and deformation of the wall body, improve the integrity, enhance the bending resistance of the wall body, inhibit the collapse or local collapse, and introduce a steel structure auxiliary reinforcement in the prestressed FRP structure reinforced Tibetan rubble wall body system, form an FRP-steel-stone composite system, fully exert the material synergy effect through the rigid-flexible technical path, further compensate for the defects of the traditional wall body, realize the overall upgrade of the load bearing capacity, function expansion and cultural compatibility of the Tibetan rubble wall body, and provide innovative technology for the activation and safety performance of traditional buildings. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, 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 these drawings without creating creative labor.

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is Figure 1 It is an enlarged structure schematic view of the A area in the middle;

[0015] Figure 3 It is a steel column side view structure schematic view of the utility model;

[0016] Figure 4 It is a steel column local three-dimensional structure schematic view of the utility model;

[0017] Figure 5 It is a cut structure schematic view of the anchoring assembly of the utility model.

[0018] In the figure: 1, steel beam; 2, steel column; 3, first FRP cable; 4, ground anchor; 5, beam stiffener; 6, column stiffener; 7, anchorage end; 8, inclined pad; 9, nut; 10, connecting thread; 11, variable stiffness clamp; 12, stainless steel sleeve; 13, through hole; 14, fixed column; 15, fixed seat; 16, wall body; 17, gravel; 18, base; 19, second FRP cable; 20, third FRP cable; 21, first anchoring assembly; 22, second anchoring assembly; 23, cross pad. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to the drawings Figure 1 - the drawings Figure 5The utility model provides a kind of embodiment provided by the utility model: a kind of prestressed FRP cable structure enhances Tibetan rubble wall, including the outer wall of both sides of wall body 16 is fixedly connected with steel column 2, the upper surface of wall body 16 is fixedly connected with steel beam 1, wall body 16 is filled with rubble 17, and be provided with first FRP cable 3, second FRP cable 19 and third FRP cable 20, and the one end of second FRP cable 19 is fixedly connected on steel beam 1, first anchoring assembly 21 and second anchoring assembly 22 are arranged in steel column 2, and the both ends of first FRP cable 3 are fixedly connected on first anchoring assembly 21, the both ends of third FRP cable 20 are fixedly connected on second anchoring assembly 22;First anchoring assembly 21 and second anchoring assembly 22 all include stainless steel sleeve 12, variable stiffness clamping piece 11 is fixedly connected in stainless steel sleeve 12, one end of stainless steel sleeve 12 is provided with anchoring end 7, connecting thread 10 is provided on the outer wall of anchoring end 7, nut 9 is threadedly connected on connecting thread 10, first anchoring assembly 21 and second anchoring assembly 22 actively constrain the deformation of wall body structure;The position of the outer wall of steel column 2 corresponding first anchoring assembly 21 is fixedly connected with horizontal pad 23, the position corresponding second anchoring assembly 22 is fixedly connected with inclined pad 8, horizontal pad 23 and inclined pad 8 adjust height difference and angular deviation, ensure that stress is consistent;Column body stiffener 6 is arranged on steel column 2, and one end of steel column 2 is fixedly connected with base 18, the upper surface of base 18 is provided with through-hole 13, base 18 increases the contact area with ground, reduces local pressure intensity;The bottom of base 18 is provided with fixed seat 15, the upper surface of fixed seat 15 is fixedly connected with fixed column 14, and fixed column 14 is sleeved in through-hole 13, fixed column 14 ensures the perpendicularity of steel column 2 and overall stability;Beam body stiffener 5 is fixedly connected on steel beam 1, enhances the rigidity of steel beam 1, prevents buckling instability;The bottom of wall body 16 is provided with ground anchor 4, and the other end of second FRP cable 19 is fixedly connected on ground anchor 4, fixed wall body structure, enhances overall stability, resists external force.

[0021] Working principle: use the utility model, first fixedly connected with steel column 2 on both sides of wall body 16 outer wall, steel beam 1 is fixedly connected on the upper surface of wall body 16, wall body 16 is filled with broken stone 17, the one end of second FRP cable 19 arranged in wall body 16 is fixedly connected on steel beam 1, the other end is fixedly connected on ground anchor 4, and the two ends of first FRP cable 3 arranged in wall body 16 are fixedly connected on first anchoring assembly 21 arranged in steel column 2, finally the two ends of third FRP cable 20 are fixedly connected on second anchoring assembly 22 arranged in steel column 2, the assembly of the utility model is completed, including stainless steel sleeve 12 in first anchoring assembly 21 and second anchoring assembly 22, variable stiffness clamping piece 11 is fixedly connected in stainless steel sleeve 12, one end of stainless steel sleeve 12 is provided with anchoring end 7, connecting thread 10 is arranged on the outer wall of anchoring end 7, nut 9 is threadedly connected on connecting thread 10, the outer wall of steel column 2 is fixedly connected with cross pad 23 and inclined pad 8, height difference and angle deviation can be adjusted, force consistency is ensured, column body stiffening rib 6 on steel column 2 enhances the structural stability of the whole steel column 2, one end of steel column 2 is fixedly connected on base 18, through hole 13 is formed on the upper surface of base 18, and fixed column 14 arranged on the upper surface of fixing seat 15 is sleeved, which ensures the perpendicularity and overall stability of steel column 2, beam body stiffening rib 5 fixedly connected on steel beam 1 enhances the rigidity of steel beam 1, prevents the overall buckling instability of steel beam 1, and the FRP arranged along the horizontal direction and height direction of wall body applies uniform lateral compressive stress and vertical prestress to the rubble wall body, the active reinforcement mechanism can inhibit the cracking between stones and the interlayer slip, can offset the bending tensile stress caused by earthquake or wind load, can improve the anti-overturning capacity, and the steel structure directly bears the roof load and seismic inertia force, reduces the burden of rubble wall body itself.

[0022] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] The device embodiments described above are only schematic, wherein the units illustrated as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to the actual needs. Those skilled in the art can understand and implement without creative labor.

[0024] Finally, it should be noted that the above examples are intended to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A prestressed FRP cable structure reinforced Tibetan rubble wall body, comprising a wall body (16), characterized in that: The wall body (16) is fixedly connected with steel columns (2) on the outer walls on both sides, the upper surface of the wall body (16) is fixedly connected with a steel beam (1), the wall body (16) is filled with gravel (17), and is provided with a first FRP cable (3), a second FRP cable (19) and a third FRP cable (20), one end of the second FRP cable (19) is fixedly connected to the steel beam (1), the steel column (2) is provided with a first anchoring assembly (21) and a second anchoring assembly (22), and both ends of the first FRP cable (3) are fixedly connected to the first anchoring assembly (21), both ends of the third FRP cable (20) are fixedly connected to the second anchoring assembly (22).

2. The pre-stressed FRP cable structure reinforced Tibetan rubble wall according to claim 1, characterized in that: The first anchoring assembly (21) and the second anchoring assembly (22) both comprise a stainless steel sleeve (12), the stainless steel sleeve (12) is fixedly connected with a variable stiffness clamping piece (11) inside, one end of the stainless steel sleeve (12) is provided with an anchoring end (7), the outer wall of the anchoring end (7) is provided with a connecting thread (10), and the connecting thread (10) is threadedly connected with a nut (9).

3. The pre-stressed FRP cable structure reinforced Tibetan rubble wall according to claim 1, characterized in that: The outer wall of the steel column (2) is fixedly connected with a cross pad (23) at the position corresponding to the first anchoring assembly (21), and is fixedly connected with an inclined pad (8) at the position corresponding to the second anchoring assembly (22).

4. The pre-stressed FRP cable structure reinforced Tibetan rubble wall according to claim 1, characterized in that: The steel column (2) is provided with a column body stiffening rib (6), and one end of the steel column (2) is fixedly connected with a base (18), and the upper surface of the base (18) is provided with a through hole (13).

5. The pre-stressed FRP cable structure reinforced Tibetan rubble wall according to claim 4, characterized in that: The bottom end of the base (18) is provided with a fixing seat (15), the upper surface of the fixing seat (15) is fixedly connected with a fixing column (14), and the fixing column (14) is sleeved in the through hole (13).

6. The pre-stressed FRP cable structure reinforced Tibetan rubble wall according to claim 1, characterized in that: The steel beam (1) is fixedly connected with a beam body stiffening rib (5).

7. The pre-stressed FRP cable structure reinforced Tibetan rubble wall according to claim 1, characterized in that: The bottom end of the wall body (16) is provided with a ground anchor (4), and the other end of the second FRP cable (19) is fixedly connected to the ground anchor (4).

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