Special pile cap suitable for Z-shaped steel sheet pile construction
By designing a special pile cap adapted to Z-shaped steel sheet piles, the problems of pile driving difficulties and pile head breakage in Z-shaped steel sheet pile construction were solved. The use of a diesel impact hammer improved construction quality and progress, and reduced costs and risks.
Patent Information
- Application Number
- CN202423304917.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing technologies, the construction of Z-shaped steel sheet piles faces problems such as difficulty in pile driving, difficulty in controlling the pile top elevation, pile head cracking, and equipment scarcity, resulting in high construction costs and difficulty in guaranteeing quality.
Design a special pile cap adapted to Z-type steel sheet piles, including a pile hammer connecting plate, a pad plate, an inner guide plate, and an outer guide plate. By optimizing the structure and strengthening the design, and using it in conjunction with a diesel impact hammer, ensure the stability and accuracy of the steel sheet piles, and improve construction quality and progress by utilizing existing equipment.
This method enables stable and accurate construction of Z-shaped steel sheet piles, reduces construction costs, improves construction quality and safety, and reduces waste of equipment resources and potential risks.
Smart Images
Figure CN223607856U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pile construction technical field, concretely is a special pile cap suitable for Z type steel sheet pile construction. BACKGROUND
[0002] The natural natural port building shoreline resource that developed area of our country along coast has not developed is few, and the water transport demand of goods is very flourishing, and the tonnage of ship develops to the large -scale direction rapidly, the future cut -in formula sheet pile wharf will be towards the large -scale, the deep port pond development, and the pile length and construction quality of required front wall steel sheet pile are higher and higher.
[0003] The front wall steel sheet pile is the important component of sheet pile wharf, with the application of large pile length and Z type steel sheet pile, the diesel impact hammer and hammer cap on the market cannot carry out and hit, and often need the hydraulic vibration hammer and hoisting equipment of larger energy to hit, otherwise the pile sinking difficulty appears, and the pile cannot sink to the design elevation. UTILITY MODEL CONTENT
[0004] In view of the deficiency of prior art, the utility model provides a special pile cap suitable for Z type steel sheet pile construction, designs a special hammer cap, adapts to the diesel impact hammer to Z type steel sheet pile and hits, provides new way for steel sheet pile construction, improves construction quality and progress, and reduces construction cost.
[0005] To achieve the above object, the utility model is realized through the following technical scheme: a special pile cap suitable for Z type steel sheet pile construction, including pile hammer connecting plate, the pile hammer connecting plate is connected with the backing plate, the backing plate is connected with the inner guide plate and the outer guide plate, the slot between the inner guide plate and the outer guide plate forms the embedding slot of Z type steel sheet pile;
[0006] The pile hammer connecting plate is connected with the pile hammer, the backing plate is connected with the lifting lug, and the backing plate is provided with a plurality of reinforcing plates for reinforcing and supporting the inner guide plate and the outer guide plate.
[0007] Preferably, the backing plate is used to connect the pile hammer connecting plate, the inner guide plate and the outer guide plate into an integral whole, and the pile top stress area is increased.
[0008] Preferably, the thickness of the backing plate is 50mm.
[0009] Preferably, the thickness of the pile hammer connecting plate is 50mm, and the diameter is 80cm.
[0010] Preferably, the pile hammer connecting plate is integrally formed with the pile hammer by welding, so that the pile hammer connecting plate forms a replacement plate.
[0011] Preferably, a lifting hole is formed on the lifting lug, and the lifting hole is connected by a shackle pin shaft with a diameter of 30 mm, and is used for hanging a steel wire rope to lift the pile cap.
[0012] Preferably, the inner guide plate and the outer guide plate are 30 mm thick, the inner guide plate is 1 m long, and the outer guide plate is 1.2 m long.
[0013] Preferably, the reinforcing plates are divided into longitudinal and transverse reinforcing plates, the longitudinal reinforcing plates are 30 mm thick, the transverse reinforcing plates are 20 mm thick, and the reinforcing plates are used to increase the welding seam area and enhance the shear and bending resistance of the inner guide plate and the outer guide plate.
[0014] The utility model discloses a specially-made pile cap suitable for Z-shaped steel sheet pile construction, which has the following beneficial effects:
[0015] 1. The specially-made pile cap suitable for Z-shaped steel sheet pile construction is designed for Z-shaped steel sheet pile, can well adapt to the construction demand of large-scale and deep pool, ensures that the steel sheet pile can be accurately and stably driven into the predetermined position, can be used in cooperation with a larger energy hydraulic vibration hammer through optimized design and strengthened structure, effectively solves the problem of pile sinking difficulty, ensures construction quality and progress, and through accurate inner guide plate and outer guide plate design, the stability and accuracy of the steel sheet pile in the driving process are ensured, and construction precision and controllability are improved.
[0016] 2. The specially-made pile cap suitable for Z-shaped steel sheet pile construction more efficiently utilizes existing equipment resources, reduces waste and loss caused by multiple vibration and pulling and pile head rupture, and through strengthened structure design and optimized construction process, the safety and stability in the construction process are improved, and potential safety hazards and risks are reduced. ACCURACY OF DRAWINGS
[0017] 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 only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.
[0018] Figure 1 It is a whole structure schematic diagram of the utility model.
[0019] In the drawing: 1, pile hammer connecting plate; 2, backing plate; 3, lifting lug; 4, inner guide plate; 5, outer guide plate; 6, reinforcing plate. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] The embodiment of the application provides a special pile cap suitable for Z-shaped steel sheet pile construction, analyzes the single construction form of the existing Z-shaped steel sheet pile, the easy multiple pile vibration sinking of high-energy hydraulic vibration hammer construction, the difficulty in controlling the elevation, the pile head rupture, the shortage of equipment quantity and the high construction cost, designs a special pile cap suitable for diesel impact hammer to drive Z-shaped steel sheet pile, improves the construction scheme, improves the construction quality and progress, and reduces the construction cost.
[0022] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.
[0023] The embodiment of the utility model discloses a special pile cap suitable for Z-shaped steel sheet pile construction, according to the drawings Figure 1 As shown in the drawings, including pile hammer connecting plate 1, the connecting plate 2 is connected to the pile hammer connecting plate 1, the inner guide plate 4 and the outer guide plate 5 are connected to the connecting plate 2, and the slot between the inner guide plate 4 and the outer guide plate 5 forms the embedding groove of the Z-shaped steel sheet pile;
[0024] The pile hammer connecting plate 1 is connected with the pile hammer, the lifting lug 3 is connected to the connecting plate 2, and the connecting plate 2 is provided with a plurality of reinforcing plates 6 for reinforcing and supporting the inner guide plate 4 and the outer guide plate 5.
[0025] The pile hammer connecting plate 1 is the main connecting component of the pile cap, which is connected with the pile hammer to ensure the force transmission during piling. The thickness of the pile hammer connecting plate 1 is set to 50mm, and the diameter is set to 80cm, which is reasonable in thickness and diameter, ensuring the strength and facilitating the operation.
[0026] The connecting plate 2 is located below the pile hammer connecting plate 1 and plays a role in increasing the stress area of the pile top, effectively dispersing the impact force during piling, and protecting the steel sheet pile from being damaged; the thickness of the connecting plate 2 is set to 50mm, which is moderate in thickness, ensuring sufficient strength and stability.
[0027] The inner guide plate 4 and the outer guide plate 5 cooperate to form a slot specially designed for the Z-shaped steel sheet pile, ensuring that the steel sheet pile can be accurately and smoothly embedded, and ensuring the stability and accuracy of the steel sheet pile during construction.
[0028] The reinforcing plates 6 are divided into longitudinal and transverse directions, the longitudinal reinforcing plates 6 are set to have a thickness of 30 mm, the transverse reinforcing plates 6 are set to have a thickness of 20 mm, and the reinforcing plates 6 are used to increase the welding seam area and enhance the shearing and bending resistance of the inner guide plate 4 and the outer guide plate 5. The reinforcing plates 6 are arranged between the inner guide plate 4 and the outer guide plate 5 through the longitudinal and transverse directions, thereby enhancing the shearing and bending resistance of the inner guide plate 4 and the outer guide plate 5. This design not only improves the overall strength of the pile cap, but also prolongs the service life of the pile cap.
[0029] The lifting lug 3 is arranged on the base plate 2, a lifting hole is arranged on the lifting lug 3, the lifting hole is connected through a 30 mm diameter shackle pin shaft, and the lifting hole is used to hang the steel wire rope to lift the pile cap, thereby facilitating the lifting and transportation of the pile cap and simplifying the operation.
[0030] The base plate 2 is used to connect the pile hammer connecting plate 1, the inner guide plate 4 and the outer guide plate 5 into an integrated body, thereby increasing the stress area of the pile top.
[0031] The pile hammer connecting plate and the pile hammer are connected into an integrated body through welding, so that the pile hammer connecting plate forms a replacement plate.
[0032] The inner guide plate 4 and the outer guide plate 5 are set to have a thickness of 30 mm, the inner guide plate 4 has a length of 1 m, and the outer guide plate 5 has a length of 1.2 m.
[0033] The special pile cap adapted to the Z-shaped steel sheet pile construction is used in the pile driving process, in the first step, the Z-shaped steel sheet pile is improved, in order to facilitate the transportation, unloading and construction of the Z-shaped steel sheet pile, the steel sheet pile is double-spliced in the factory, a 10 cm welding seam is welded every 2 m for reinforcement, so as to avoid deformation and torsion during transportation and storage.
[0034] In the second step, the steel sheet pile is initially driven, a conventional construction method is adopted, a small energy vibration hammer that meets the requirements is selected to clamp and lift the steel sheet pile, the steel sheet pile is guided into the guide frame, and then the vibration sinking construction is performed.
[0035] In the third step, the steel sheet pile is re-driven, 1, a hammer re-driving is adopted.
[0036] When the pile hammer connecting plate 1 and the pile hammer are integrated, the construction method is as follows: the diesel hammer and the pile hammer connecting plate 1 are assembled into an integrated body through welding, the pile frame pile driver is moved to align the embedded groove formed by the inner guide plate 4 and the outer guide plate 5 with the steel sheet pile, and then the pile cap is slowly lowered to complete the hammering.
[0037] When the pile hammer connecting plate 1 and the pile hammer are separated, the construction method is as follows: the pile frame pile driver is connected to the lifting lug 3 through the steel wire rope and the shackle, the pile cap is lifted, the outer guide plate 5 is sleeved into the steel sheet pile through the displacement and adjustment of the boom, and then the pile cap is slowly lowered along the guide groove. After the pile cap is installed, the steel wire rope of the pile cap is lowered so as not to be stressed, then the pile driver is moved to align the center of the pile hammer connecting plate 1, so as to ensure that they are on the same axis, and then the hammering is completed.
[0038] 2. The hammer pile is driven, after the completion of the sleeve hammer, the weight of the hammer is loaded in stages, the whole process needs to be tracked and observed, if there is an abnormality, stop pressing the hammer immediately, after the end of the hammer, the pile data is observed again by the measuring personnel, and the verticality is adjusted.
[0039] The diesel hammer is started to drive the pile, first a light blow with small energy, then the pile body is checked again whether it is abnormal and whether the verticality meets the requirements, if there is an abnormality, the pile driving is stopped to check the problem, if not, the energy is increased in stages to drive the pile continuously; if the verticality exceeds the allowable error range, the pile verticality is adjusted through the chain block or the jack, the pile driving is continued after the adjustment is completed, until the steel sheet pile is driven to the design elevation.
[0040] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, these changes and improvements all fall into the scope of the utility model claimed to be protected. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A special pile cap adapted to Z-shaped sheet pile construction, comprising a pile hammer connecting plate (1), characterized in that: The pile hammer connecting plate (1) is connected with a pad plate (2), the pad plate (2) is connected with an inner guide plate (4) and an outer guide plate (5), and the gap between the inner guide plate (4) and the outer guide plate (5) forms an embedded groove of the Z-shaped steel sheet pile; The pile hammer connecting plate (1) is connected with a pile hammer, the pad plate (2) is connected with an ear (3), and the pad plate (2) is provided with a plurality of groups of reinforcing plates (6) for reinforcing and supporting the inner guide plate (4) and the outer guide plate (5); The pad plate (2) is used for connecting the pile hammer connecting plate (1), the inner guide plate (4) and the outer guide plate (5) into an integrated whole, and increasing the stress area of the pile top.
2. The special pile cap adapted to the Z-shaped steel sheet pile construction according to claim 1, characterized in that: The thickness of the pad plate (2) is 50mm.
3. The special pile cap adapted to the Z-shaped steel sheet pile construction according to claim 1, characterized in that: The thickness of the pile hammer connecting plate (1) is 50mm, and the diameter is 80cm.
4. The special pile cap adapted to the Z-shaped steel sheet pile construction according to claim 3, characterized in that: The pile hammer connecting plate and the pile hammer are formed into an integrated whole by welding, so that the pile hammer connecting plate forms a replacement plate.
5. The special pile cap adapted to the Z-shaped steel sheet pile construction according to claim 1, characterized in that: A lifting hole is formed in the ear (3), and the lifting hole is connected by a shackle pin shaft.
6. The special pile cap adapted to Z-type steel sheet pile construction according to claim 1, characterized in that: The thickness of the inner guide plate (4) and the outer guide plate (5) is 30mm, the length of the inner guide plate (4) is 1m, and the length of the outer guide plate (5) is 1.2m.
7. The special pile cap adapted to Z-shaped steel sheet pile construction according to claim 1, characterized in that: The reinforcing plate (6) is divided into longitudinal and transverse directions, the thickness of the longitudinal reinforcing plate (6) is 30mm, and the thickness of the transverse reinforcing plate (6) is 20mm.