Temporary protection device for anchor head of prestressed anti-floating anchor rod for passing of construction vehicle

Abstract

The utility model provides a temporary protection device for an anchor head of a prestressed anti-floating anchor rod, which is characterized in that a protection sleeve is vertically sleeved outside the anchor head of the prestressed anti-floating anchor rod, the lower end of the protection sleeve is propped against the top surface of main body structure concrete, and a prestressed anti-floating anchor rod base plate is positioned below an inner cavity of the protection sleeve; the sand is filled in an inner cavity of the protective sleeve and located on the top face of the main structure concrete and the base plate, the anchor head is located in the sand, the protective rod is horizontally arranged, higher than the anchor head and located in an opening in the upper end of the protective sleeve, and the two ends of the protective rod are connected with the side wall of the protective sleeve. The fixing piece is vertically arranged, the lower end of the fixing piece is vertically inserted into the main structure concrete top surface, the upper end of the fixing piece is exposed on the main structure concrete top surface, is located outside the lower end of the protective sleeve and is connected with the protective sleeve, the concrete protective block is arranged on the main structure concrete top surface and is sleeved outside the protective sleeve, and the upper end of the fixing piece is located in the concrete protective block. The prestressed anti-floating anchor head protecting device can protect the prestressed anti-floating anchor head and is convenient to disassemble and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, especially the technical field of prestressed anti floating anchor rod anchor head protection, and specifically relates to a prestressed anti floating anchor rod anchor head temporary protection device for construction vehicle passing. BACKGROUND

[0002] Building construction refers to the production activities in the implementation stage of engineering construction, is the building process of various buildings, and can also be said to be the process of changing various lines on design drawings into real objects at specified locations. It includes foundation engineering construction, main structure construction, roof engineering construction, decoration engineering construction and the like.

[0003] In the building construction process, sometimes a temporary road needs to be built in the construction area with prestressed anti floating anchor rods for construction vehicle passing. Usually, the prestressed anti floating anchor rods are vertically arranged in the main structure concrete, the base plate of the prestressed anti floating anchor rod is horizontally embedded in the top surface of the main structure concrete, and the anchor head of the prestressed anti floating anchor rod is exposed on the top surface of the main structure concrete. Therefore, before the temporary road is built, the prestressed anti floating anchor rod anchor heads in the temporary road that may be subjected to collision need to be protected. For the prestressed anti floating anchor rod anchor heads, the convex type anchor sealing protection is usually adopted at present. The anchor sealing structure is formed by pouring fine stone concrete in cooperation with the steel mesh and steel. The convex design in combination with the steel mesh and steel can effectively avoid stress concentration. The fine stone concrete has good filling property and can enhance the shear and compression resistance of the anchoring area. The steel mesh and steel can be adjusted in layout according to the size and stress requirement of the component.

[0004] However, the above common prestressed anti floating anchor rod anchor sealing protection method has the following disadvantages: (1) multiple construction procedures and long cycle, steel bars and steel mesh need to be bound, and formwork needs to be installed and poured; (2) the prestressed anti floating anchor rod anchor head state cannot be directly checked after the sealing is completed, the prestressed anti floating anchor rod anchor head cannot be maintained (such as leakage maintenance) again, and the prestressed anti floating anchor rod anchor head and the concrete form a rigid whole, which leads to great difficulty in disassembly. If the mechanical crushing is forcibly performed, the prestressed anti floating anchor rod anchor head is easily damaged.

[0005] Therefore, it is hoped to provide a prestressed anti floating anchor rod anchor head temporary protection device for construction vehicle passing, which can protect the prestressed anti floating anchor rod anchor head and is convenient for disassembly and maintenance. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects in the prior art, one purpose of the utility model is to provide a prestressed anti floating anchor rod anchor head temporary protection device for construction vehicle passing, which can protect the prestressed anti floating anchor rod anchor head and is convenient for disassembly and maintenance, and is suitable for large-scale popularization and application.

[0007] The utility model discloses another purpose lies in providing a kind of prestressed anti-floating anchor rod anchor head temporary protection device for construction vehicle to pass, it is ingenious in design, structure is simple, it is easy to construct, construction cost is low, it is suitable for large-scale popularization and application.

[0008] To achieve the above object, the utility model provides a kind of prestressed anti-floating anchor rod anchor head temporary protection device for construction vehicle to pass, including prestressed anti-floating anchor rod and main body structure concrete, the prestressed anti-floating anchor rod is vertically arranged in the main body structure concrete, the backing plate of the prestressed anti-floating anchor rod is horizontally embedded in the top surface of the main body structure concrete, the anchor head of the prestressed anti-floating anchor rod is exposed on the top surface of the main body structure concrete, its characteristics are, the prestressed anti-floating anchor rod anchor head temporary protection device for construction vehicle to pass further includes protective sleeve, sand, protection pole, fixing piece and concrete protection block, wherein:

[0009] The protective sleeve is vertically arranged and is sleeved on the anchor head of the prestressed anti-floating anchor rod, the lower end of the protective sleeve is abutted on the top surface of the main body structure concrete, the backing plate of the prestressed anti-floating anchor rod is located below the inner cavity of the protective sleeve, the sand is filled in the inner cavity of the protective sleeve and is located on the top surface of the main body structure concrete and the backing plate of the prestressed anti-floating anchor rod, the anchor head of the prestressed anti-floating anchor rod is located in the sand, the protection pole is horizontally arranged and is higher than the anchor head of the prestressed anti-floating anchor rod and is located in the opening of the upper end of the protective sleeve, the both ends of the protection pole are connected with the side wall of the protective sleeve, the number of the protection pole is multiple, and the multiple protection poles are horizontally spaced apart from each other.

[0010] The fixing piece is vertically arranged, the lower end of the fixing piece is vertically inserted into the top surface of the main body structure concrete, the upper end of the fixing piece is exposed on the top surface of the main body structure concrete and is located outside the lower end of the protective sleeve and is connected with the lower end of the protective sleeve, the number of the fixing piece is multiple, and the multiple fixing pieces are horizontally spaced apart from each other around the lower end of the protective sleeve, the concrete protection block is arranged on the top surface of the main body structure concrete and is sleeved outside the protective sleeve, and the upper end of the fixing piece is located in the concrete protection block.

[0011] Preferably, the protective sleeve is an iron sleeve.

[0012] Preferably, the height of the protective sleeve is 100mm-150mm.

[0013] Preferably, the protection pole is a reinforcing bar.

[0014] Preferably, the number of the protection pole is 3.

[0015] Preferably, the upper end of the fixing member is welded to the lower end of the protective sleeve.

[0016] Preferably, the fixing member is an expansion bolt.

[0017] Preferably, the number of the fixing members is three.

[0018] Preferably, the concrete protection block is a C20 concrete protection block.

[0019] Preferably, the concrete protection block is a spherical platform-shaped protection block, and the spherical platform-shaped protection block is horizontally arranged.

[0020] The utility model discloses the beneficial effect mainly lies in:

[0021] 1, the utility model discloses a prestressed anti -floating anchor rod anchor head temporary protection device's protective sleeve of construction vehicle's passage is arranged in the verticality and is set in the prestressed anti -floating anchor rod anchor head outside, and the lower end of protective sleeve is supported on the top surface of main body structure concrete, and the prestressed anti -floating anchor rod pad is located in the inner chamber of protective sleeve below, and the sand is filled in the inner chamber of protective sleeve and is located on the top surface of main body structure concrete and the prestressed anti -floating anchor rod pad, and the prestressed anti -floating anchor rod anchor head is located in the sand, and the protection pole is arranged in the horizontal and is higher than the prestressed anti -floating anchor rod anchor head and is located in the opening of protective sleeve upper end, and the both ends of protection pole are connected protective sleeve lateral wall, and a plurality of protection poles are arranged in the horizontal interval each other, and the fixing member is arranged in the verticality, and the lower end of fixing member is inserted in the top surface of main body structure concrete in the verticality, and the upper end of fixing member is exposed on the top surface of main body structure concrete and is located in the lower end of protective sleeve outside and is connected the lower end of protective sleeve, and a plurality of fixing members are arranged in the horizontal interval each other and surround the lower end of protective sleeve, and the concrete protection block is arranged on the top surface of main body structure concrete and is connected outside protective sleeve, and the upper end of fixing member is located in the concrete protection block, therefore, it can protect the prestressed anti -floating anchor rod anchor head, and is convenient to dismantle and maintain, is suitable for large -scale popularization and application.

[0022] 2, the utility model discloses a construction vehicle passes through's prestressed anti -floating anchor rod anchor head temporary protection device's protection sleeve pipe vertical setting and cover in the prestressed anti -floating anchor rod anchor head, and the protection sleeve pipe lower extreme leans on the main body structure concrete top surface, and the prestressed anti -floating anchor rod backing plate is located in the protection sleeve pipe inner chamber, and the sand is filled in the protection sleeve pipe inner chamber and is located main body structure concrete top surface and the prestressed anti -floating anchor rod backing plate, and the prestressed anti -floating anchor rod anchor head is located in the sand, and the protection pole is horizontally arranged and is higher than the prestressed anti -floating anchor rod anchor head and is located the protection sleeve pipe upper end opening, and the protection pole both ends are connected protection sleeve pipe lateral wall, and the protection pole is horizontally spaced apart each other, and the fixed part is vertically arranged, and the fixed part lower extreme is vertically inserted in the main body structure concrete top surface, and the fixed part upper end is exposed on the main body structure concrete top surface and is located the protection sleeve pipe lower extreme outside and is connected the protection sleeve pipe lower extreme, and a plurality of fixed parts are horizontally around the protection sleeve pipe lower extreme and are spaced apart each other, and the concrete protection block is arranged on the main body structure concrete top surface and is connected in the protection sleeve pipe outside, and the fixed part upper end is located in the concrete protection block, therefore, its design is ingenious, and the structure is simple, and the construction is simple, and the construction cost is low, and is suitable for large -scale popularization and application.

[0023] These and other objects, features, and advantages of the present utility model will become apparent with reference to the following detailed description and drawings, in which: BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the front view of a specific embodiment of the utility model discloses a construction vehicle passes through's prestressed anti -floating anchor rod anchor head temporary protection device.

[0025] Figure 2 is Figure 1 The specific embodiment is shown in the top perspective view.

[0026] (Symbol Description)

[0027] 1 prestressed anti -floating anchor rod;2 main body structure concrete;3 protection sleeve pipe;4 sand;5 protection pole;6 fixed part;7 concrete protection block;8 backing plate;9 anchor head. DETAILED DESCRIPTION

[0028] In order to more clearly understand the technical content of the utility model, the following examples are described in detail.

[0029] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0030] Please refer to Figures 1-2 As shown in the utility model, in a specific embodiment of the utility model, the utility model's prestressed anti floating anchor rod anchor head temporary protection device for construction vehicle traffic includes prestressed anti floating anchor rod 1, main structure concrete 2, protection sleeve pipe 3, sand 4, protection pole 5, fixing piece 6 and concrete protection block 7, wherein:

[0031] The prestressed anti floating anchor rod 1 is vertically arranged in the main structure concrete 2, the gasket plate 8 of the prestressed anti floating anchor rod 1 is horizontally embedded in the top surface of the main structure concrete 2, and the anchor head 9 of the prestressed anti floating anchor rod 1 is exposed on the top surface of the main structure concrete 2;

[0032] The protection sleeve pipe 3 is vertically arranged and sleeved on the anchor head 9 of the prestressed anti floating anchor rod 1, the lower end of the protection sleeve pipe 3 abuts on the top surface of the main structure concrete 2, the gasket plate 8 of the prestressed anti floating anchor rod 1 is located below the inner cavity of the protection sleeve pipe 3, the sand 4 is filled in the inner cavity of the protection sleeve pipe 3 and is located on the top surface of the main structure concrete 2 and the gasket plate 8 of the prestressed anti floating anchor rod 1, the anchor head 9 of the prestressed anti floating anchor rod 1 is located in the sand 4, the protection pole 5 is horizontally arranged and is higher than the anchor head 9 of the prestressed anti floating anchor rod 1 and is located in the opening of the upper end of the protection sleeve pipe 3, both ends of the protection pole 5 are connected to the side wall of the protection sleeve pipe 3, and the number of the protection pole 5 is multiple, and the multiple protection poles 5 are horizontally spaced apart from each other;

[0033] The fixing piece 6 is vertically arranged, the lower end of the fixing piece 6 is vertically inserted into the top surface of the main structure concrete 2, the upper end of the fixing piece 6 is exposed on the top surface of the main structure concrete 2 and is located outside the lower end of the protection sleeve pipe 3 and is connected to the lower end of the protection sleeve pipe 3, the number of the fixing piece 6 is multiple, the multiple fixing pieces 6 are horizontally spaced apart from each other around the lower end of the protection sleeve pipe 3, the concrete protection block 7 is arranged on the top surface of the main structure concrete 2 and is sleeved outside the protection sleeve pipe 3, and the upper end of the fixing piece 6 is located in the concrete protection block 7.

[0034] The protective sleeve 3 can be a sleeve of any suitable material, and in an embodiment of the present application, the protective sleeve 3 is an iron sleeve. The long-term durability of the present application can be affected by environmental factors, especially in a humid environment, the iron sleeve can rust, affecting its protective effect, in order to prolong the service life, a material that is not easy to corrode can be selected, or the iron sleeve can be subjected to corrosion prevention treatment, such as galvanizing or applying anti-rust paint.

[0035] The height of the protective sleeve 3 can be determined as required, which is higher than the anchor head 9 of the prestressed anti-floating anchor rod 1, preferably, the height of the protective sleeve 3 is 100mm-150mm. In an embodiment of the present application, the height of the protective sleeve 3 is 130mm.

[0036] The protective rod 5 can be any suitable building component, and in an embodiment of the present application, the protective rod 5 is a steel bar, such as a φ12 steel bar, i.e. a steel bar with a diameter of 12mm.

[0037] The number of protective rods 5 can be determined as required, and the above "multiple" refers to two or more, please refer to Figure 2 In an embodiment of the present application, the number of protective rods 5 is three.

[0038] The upper end of the fixing member 6 is connected to the lower end of the protective sleeve 3, and any suitable structure can be used, and in an embodiment of the present application, the upper end of the fixing member 6 is welded to the lower end of the protective sleeve 3.

[0039] The fixing member 6 can be any suitable fixing member, and in an embodiment of the present application, the fixing member 6 is an expansion bolt, such as a #6 expansion bolt, i.e. an expansion bolt with a diameter of 6mm.

[0040] The number of fixing members 6 can be determined as required, and the above "multiple" refers to two or more, and in an embodiment of the present application, the number of fixing members 6 is three.

[0041] The concrete protection block 7 can be any suitable type of concrete protection block, and in an embodiment of the present application, the concrete protection block 7 is a C20 concrete protection block. The long-term durability of the present application can be affected by environmental factors, and the concrete protection block 7 can be affected by temperature changes, traffic loads or other external factors after long-term use, and cracks can occur. In order to improve the durability of the concrete protection block 7, appropriate reinforcing materials (such as steel fibers, polypropylene fibers, etc.) can be added to the concrete protection block 7, or a concrete grade with higher durability can be used.

[0042] The concrete protection block 7 can have any suitable shape, and in a specific embodiment of the present application, the concrete protection block 7 is a spherical platform-shaped protection block, which is horizontally arranged.

[0043] The concrete protection block 7 can be located at any suitable position of the sphere in which the concrete protection block 7 is located, and in a specific embodiment of the present application, the concrete protection block 7 is located above the center of the sphere in which the concrete protection block 7 is located.

[0044] The construction method of the prestressed anti-floating anchor rod anchor head temporary protection device for construction vehicle passing of the present application is briefly described as follows:

[0045] S1: The protection sleeve pipe 3 is vertically sleeved outside the anchor head 9 of the prestressed anti-floating anchor rod 1 and placed on the top surface of the main body structure concrete 2, the anchor head 9 of the prestressed anti-floating anchor rod 1 is ensured to be located at the center position of the protection sleeve pipe 3, and the pad plate 8 of the prestressed anti-floating anchor rod 1 is located below the inner cavity of the protection sleeve pipe 3, the lower end of the fixing member 6 is inserted into the top surface of the main body structure concrete 2 outside the lower end of the protection sleeve pipe 3, the upper end of the fixing member 6 is connected to the lower end of the protection sleeve pipe 3, and the movement of the protection sleeve pipe 3 is prevented;

[0046] S2: The sand 4 is filled in the inner cavity of the protection sleeve pipe 3, and a wooden stick or a vibrating stick is used to gently tamp, so as to ensure uniformity and compactness, but the tamping should not be too tight to affect the buffering performance, after the filling is completed, the protection rod 5 is placed in the opening at the upper end of the protection sleeve pipe 3, and the two ends of the protection rod 5 are connected to the side wall of the protection sleeve pipe 3, and the top of the protection sleeve pipe 3 is closed;

[0047] S3: After the installation of the protection sleeve pipe 3 and the filling of the sand 4 are completed, the concrete protection block 7 is directly poured outside the protection sleeve pipe 3, the concrete protection block 7 should be continuously poured at one time to avoid joints, the side surface of the concrete protection block 7 and the connection between the lane are flattened and smoothed by a trowel, the side surface of the concrete protection block 7 and the surface of the lane are as soft as possible, and large damage is avoided when the vehicle collides with the protection device.

[0048] Therefore, the present application does not need to set a steel formwork, only needs to sleeve the protection sleeve pipe outside the anchor head of the prestressed anti-floating anchor rod and fix it on the top surface of the main body structure concrete, then fills the protection sleeve pipe with sand, and finally pours the concrete protection block outside, which greatly simplifies the construction process and shortens the construction period. In addition, the protection sleeve pipe is designed as a recyclable component, which can be easily removed when the prestressed anti-floating anchor rod needs to be maintained; and the sand as a buffering material has moderate filling density and can be quickly removed without damaging the prestressed anti-floating anchor rod and the surrounding structure when removed. The whole device is independent of each other, and the damaged part can be replaced or maintained individually without overall damage, which improves the operability in the later period.

[0049] Compared with the prior art, the utility model has the following advantages:

[0050] (1) adopt the utility model, through the protection sleeve, the anchor head of pre-stressed anti-floating anchor rod is protected, avoid the direct collision of vehicle to the anchor head of pre-stressed anti-floating anchor rod, and sand plays the momentum buffering action, effectively absorbs the impact force.

[0051] (2) the utility model can be quickly removed and restores, when needing to maintain pre-stressed anti-floating anchor rod, can conveniently remove the protection device and carry out subsequent repair or replacement, and will not cause too big damage to the surrounding structure, and this characteristic makes the later maintenance more efficient.

[0052] (3) the utility model forms self-supporting protection body, does not need formwork and other manufacturing installation process, saves the construction time and improves the construction efficiency.

[0053] Thus, the utility model discloses the anchor head outside of pre-stressed anti-floating anchor rod is protected and closed by using the protection sleeve, the fixed piece is used to prevent sliding around the outside of the protection sleeve, the protection sleeve is filled with sand, the protection sleeve top is closed by using the protection rod, and the concrete protection block is poured around the outside of the protection sleeve again.The sand of the utility model is combined with the concrete protection block and can absorb dynamic load and disperse to the whole structure, unlike the traditional protection device, the utility model is convenient to disassemble and maintain, and the disassembly is convenient, can improve the later maintenance efficiency, reduces time and labor cost.

[0054] Through the design, the anchor head of pre-stressed anti-floating anchor rod that may be subjected to collision in the temporary lane is protected before the temporary lane is built, and the protection device is concrete protection block, protection sleeve and sand from outside to inside in sequence, the protection sleeve protects the anchor head of pre-stressed anti-floating anchor rod, and the concrete protection block outside the protection sleeve bears vehicle impact or rolling, and the sand inside the protection sleeve plays the momentum buffering action.When needing to maintain the pre-stressed anti-floating anchor rod, the protection device can be removed at any time.

[0055] The utility model adds a kind of protection device of pre-stressed anti-floating anchor rod anchor head, and construction procedure is less and period is short, after being closed, the state of pre-stressed anti-floating anchor rod anchor head can be checked, pre-stressed anti-floating anchor rod anchor head does not form rigid whole with concrete, and the difficulty of disassembly is small and does not need to forcibly mechanically break and make pre-stressed anti-floating anchor rod anchor head be damaged.

[0056] The utility model simplifies construction procedure, has improved construction efficiency greatly, has reduced construction time. The material of protective sleeve, sand, concrete and the like is relatively cheap, has the extensive application in the construction project, has reduced material cost and the overall budget of construction. Since the convenience of the later maintenance is fully considered during the design, the protection device can be conveniently disassembled when the prestressed anti-floating anchor rod needs to be maintained. The disassembly process does not need to cause too much damage to the surrounding structure, saves the time and expense of disassembly and repair, and has higher popularization significance.

[0057] In conclusion, the prestressed anti-floating anchor head temporary protection device for construction vehicle passage can protect the prestressed anti-floating anchor head, is convenient to disassemble and maintain, has ingenious design, simple structure, simple construction, low construction cost, and is suitable for large-scale popularization and application.

[0058] It can be seen that the purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been displayed and described in the embodiments, and the implementation manner can be modified arbitrarily without departing from the principle. Therefore, the utility model includes all modified implementation manners based on the spirit and scope of the claims.

Claims

1. A temporary protective device for the anchor head of a prestressed anti-buoyancy anchor for construction vehicle passage, comprising a prestressed anti-buoyancy anchor and a main structural concrete structure, wherein the prestressed anti-buoyancy anchor is vertically installed in the main structural concrete structure, the pad of the prestressed anti-buoyancy anchor is horizontally embedded in the top surface of the main structural concrete structure, and the anchor head of the prestressed anti-buoyancy anchor is exposed on the top surface of the main structural concrete structure, characterized in that... The temporary protective device for the prestressed anti-buoyancy anchor head for construction vehicle passage also includes a protective sleeve, sand, protective rod, fixing parts, and concrete protective blocks, wherein: The protective sleeve is vertically installed and fitted over the anchor head of the prestressed anti-buoyancy anchor rod. The lower end of the protective sleeve abuts against the top surface of the main structural concrete. The pad of the prestressed anti-buoyancy anchor rod is located below the inner cavity of the protective sleeve. The sand fills the inner cavity of the protective sleeve and is located on the top surface of the main structural concrete and the pad of the prestressed anti-buoyancy anchor rod. The anchor head of the prestressed anti-buoyancy anchor rod is located in the sand. The protective rod is horizontally installed and is higher than the anchor head of the prestressed anti-buoyancy anchor rod and is located in the opening at the upper end of the protective sleeve. Both ends of the protective rod are connected to the side wall of the protective sleeve. There are multiple protective rods, which are horizontally spaced apart from each other. The fasteners are vertically arranged, with their lower ends vertically inserted into the top surface of the main concrete structure. The upper ends of the fasteners are exposed on the top surface of the main concrete structure and located outside the lower end of the protective sleeve, connecting to the lower end of the protective sleeve. There are multiple fasteners, which are horizontally arranged around the lower end of the protective sleeve at intervals. The concrete protective block is set on the top surface of the main concrete structure and fitted onto the outside of the protective sleeve. The upper ends of the fasteners are located within the concrete protective block.

2. The temporary protection device for the prestressed anti-buoyancy anchor head for construction vehicle passage as described in claim 1, characterized in that, The protective sleeve is an iron sleeve.

3. The temporary protection device for the prestressed anti-buoyancy anchor head for construction vehicle passage as described in claim 1, characterized in that, The height of the protective sleeve is 100mm to 150mm.

4. The temporary protection device for the prestressed anti-buoyancy anchor head for construction vehicle passage as described in claim 1, characterized in that, The protective rod is made of steel bars.

5. The temporary protection device for the prestressed anti-buoyancy anchor head for construction vehicle passage as described in claim 1, characterized in that, The number of protective rods is 3.

6. The temporary protection device for the prestressed anti-buoyancy anchor head for construction vehicle passage as described in claim 1, characterized in that, The upper end of the fastener is welded to the lower end of the protective sleeve.

7. The temporary protection device for the prestressed anti-buoyancy anchor head for construction vehicle passage as described in claim 1, characterized in that, The fastener is an expansion bolt.

8. The temporary protection device for the prestressed anti-buoyancy anchor head for construction vehicle passage as described in claim 1, characterized in that, The number of fasteners is three.

9. The temporary protection device for the prestressed anti-buoyancy anchor head for construction vehicle passage as described in claim 1, characterized in that, The concrete protective block is a C20 concrete protective block.

10. The temporary protection device for the prestressed anti-buoyancy anchor head for construction vehicle passage as described in claim 1, characterized in that, The concrete protective block is a frustum-shaped protective block, and the frustum-shaped protective block is set horizontally.

Images