Concrete reverse hanging formwork for long-pile wharf
By using a concrete inverted formwork with crossbeams and longitudinal beams interlaced in the construction of a high-pile wharf, the problems of low formwork assembly efficiency and difficult disassembly in the existing technology have been solved, achieving efficient construction and improved concrete surface quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 福建省湄洲湾港口发展中心水运工程质量安全技术站
- Filing Date
- 2025-03-25
- Publication Date
- 2026-04-10
AI Technical Summary
The existing high-pile wharf construction requires a large number of support structures for formwork assembly, resulting in low construction efficiency, difficult disassembly, high material costs, and poor concrete surface quality.
Concrete inverted formwork is used, with crossbeams and longitudinal beams staggered. The main body of the formwork is fixed to the longitudinal beams by adjustable hangers, reducing the time required for bottom support and allowing pouring to be carried out inside the main body of the formwork, making disassembly easier later.
It improved construction efficiency, reduced bottom support time, simplified the dismantling process, and enhanced construction efficiency and concrete surface quality.
Smart Images

Figure CN224106357U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of port engineering, concretely is a kind of concrete reverse formwork for high-pile wharf. BACKGROUND
[0002] High-pile wharf is a kind of wharf structure composed of pile foundation with great free height above ground surface and pile cap, and high-pile wharf is mainly composed of pile foundation and pile cap.
[0003] Among them, pile foundation not only serves as foundation, but also as the main force component of structure, participates in the work of entire building, and pile foundation generally adopts reinforced concrete pile or steel pipe pile, sometimes also adopts other forms such as cast-in-place pile and rock-embedded pile, and pile cap is the upper structure of high-pile wharf, used to support load on wharf surface and transmit it to pile foundation.
[0004] There are various forms of pile cap, such as beam-slab type, pile cap type, beamless large slab type and truss type, among them, beam-slab type pile cap is composed of face plate, longitudinal beam, cross beam and berthing component, has clear stress and large span, and can adapt to continuous concentrated load such as gantry crane and train.
[0005] After the construction of pile body and pile cap is completed, the assembly of formwork is carried out, so as to realize the pouring of subsequent concrete, but the existing traditional formwork needs a large number of supporting structures, has low construction efficiency and high material cost, and has the condition of difficult disassembly in later period, which affects construction efficiency.
[0006] For example, installation is complex, time-consuming and high in cost, or the quality of concrete surface is poor. INVENTION CONTENTS
[0007] In order to solve the above technical problems, the utility model provides a kind of concrete reverse formwork for high-pile wharf to solve the problem of low construction efficiency caused by the need to build a large number of supporting structures in the process of assembling the formwork in the prior art.
[0008] A kind of concrete reverse formwork for high-pile wharf, including pile foundation and pile cap, the pile cap is arranged at the top of the pile foundation, further including cross beam, the cross beam is installed at the top of the pile cap and is spaced distribution, the cross beam is equipped with the longitudinal beam of spaced distribution between, the lower of two adjacent longitudinal beams is equipped with formwork main body, two opposite outer side walls of the formwork main body are symmetrically equipped with mounting block, the adjustable suspender that is vertically through the longitudinal beam is equipped on the mounting block, symmetrically equipped with locking screw ring on the adjustable suspender.
[0009] Preferably, the crossbeam and the longitudinal beam are hoisted by prefabrication, and the adjustable hangers on two adjacent template bodies are staggered on the longitudinal beam. The top of the pile cap is provided with multiple recessed slots, and the recessed slots form a cross shape when assembled.
[0010] Preferably, the crossbeam and the longitudinal beam are installed in the recessed slot, and a casting node is formed between the two spaced-apart crossbeams and the longitudinal beam.
[0011] Preferably, positioning blocks are provided on the opposite surfaces of the two crossbeams and at both ends of the longitudinal beam. The positioning blocks are located within the casting node and are fixedly connected to the crossbeams and longitudinal beams. The positioning blocks are provided with fastening bolts that are vertically locked into the pile cap.
[0012] Preferably, the template body is a frame plate with an upward opening inside, and the top wall of the template body is provided with a rubber layer, which is movably attached to the bottom wall of the crossbeam and the longitudinal beam.
[0013] Preferably, a polymer release film is provided on the inner wall of the template body, and the mounting blocks on two adjacent template bodies are distributed in an alternating manner.
[0014] Preferably, a fixedly connected sleeve is installed inside the longitudinal beam, and the adjustable rod is movably connected through the sleeve. The adjustable rod has two locking rings, one of which is locked to the top of the longitudinal beam and the other is locked to the bottom of the mounting block.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] 1. This utility model arranges crossbeams and longitudinal beams in an alternating manner, and sets up a template body below the crossbeams and longitudinal beams. The template body has symmetrical mounting blocks on opposite side walls, and the mounting blocks are equipped with adjustable hangers that run vertically through the longitudinal beams. The template body is fixed to the longitudinal beams by the adjustable hangers, so that the surface layer can be poured inside the template body. Compared with the original installation method, it reduces a lot of time from bottom support, and the disassembly is easier in the later stage, thus improving the construction efficiency. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall inverted formwork component structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the main body of the formwork and the adjustable hanger rods and other components of this utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the pile cap and longitudinal beam of this utility model. Figure 1 ;
[0020] Figure 4 Fig. 2 is a schematic diagram of the structure of the beam and the longitudinal beam of the utility model Figure 2 .
[0021] Fig. 2 is a schematic diagram of the structure of the beam and the longitudinal beam of the utility model
[0022] 1, pile foundation; 2, pile cap; 3, beam; 4, longitudinal beam; 5, formwork main body; 6, mounting block; 7, adjustable suspender; 8, locking screw ring; 9, recessed clamping groove; 10, pouring joint; 11, positioning block; 12, fastening bolt; 13, rubber layer; 14, high-molecular release film; 15, sleeve pipe. DETAILED DESCRIPTION
[0023] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0024] As shown in the accompanying Figure 1 to the accompanying Figure 4 :
[0025] Example one: the utility model provides a kind of concrete reverse formwork for high-pile wharf, including pile foundation 1 and pile cap 2, pile cap 2 is arranged at the top of pile foundation 1, further include beam 3, beam 3 is installed at the top of pile cap 2 and interval distribution, longitudinal beam 4 is arranged at interval distribution between beam 3, the formwork main body 5 is arranged below two adjacent longitudinal beams 4, mounting block 6 is symmetrically arranged on the two opposite outer side walls of formwork main body 5, adjustable suspender 7 is arranged on mounting block 6 and vertically penetrates longitudinal beam 4, locking screw ring 8 is symmetrically arranged on adjustable suspender 7.
[0026] It should be noted that, by the staggered arrangement of beam 3 and longitudinal beam 4, formwork main body 5 is arranged below beam 3 and longitudinal beam 4, mounting block 6 is symmetrically arranged on the opposite side wall of formwork main body 5, adjustable suspender 7 is arranged on mounting block 6 and vertically penetrates longitudinal beam 4, formwork main body 5 is fixed on longitudinal beam 4 by adjustable suspender 7, so that the pouring of surface layer can be realized in formwork main body 5, compared with the original installation mode, a large amount of time from the bottom support is reduced, and the post-dismantling is more easy, the efficiency of construction is improved.
[0027] In the embodiment, beam 3 and longitudinal beam 4 are hoisted in a prefabricated manner, adjustable suspender 7 on two adjacent formwork main bodies 5 is staggered distributed on longitudinal beam 4, a plurality of recessed clamping grooves 9 are arranged on the top of pile cap 2, and the whole is cross-shaped after the recessed clamping grooves 9 are arranged.
[0028] It should be noted that by setting the recessed clamping groove 9 on each pile cap 2, the longitudinal beam 4 and the cross beam 3 can be embedded in the recessed clamping groove 9 during hoisting, thereby increasing the stability of the cross beam 3 and the longitudinal beam 4 installed on the pile cap 2. By hoisting the cross beam 3 and the longitudinal beam 4 in a prefabricated manner, the construction progress of the high-pile wharf can be accelerated, and a flow-type operation can be performed.
[0029] In the embodiment, the cross beam 3 and the longitudinal beam 4 are installed in the recessed clamping groove 9, and a pouring joint 10 is formed between the two spaced-apart cross beams 3 and longitudinal beams 4.
[0030] It should be noted that by setting the pouring joint 10, the cross beam 3 and the longitudinal beam 4 can form a whole structure after pouring concrete on the pouring joint 10 in the later stage, thereby increasing the stability of the whole wharf.
[0031] In the embodiment, the opposite surfaces of the two cross beams 3 and the two ends of the longitudinal beam 4 are respectively provided with positioning blocks 11, the positioning blocks 11 are located in the pouring joint 10, and the positioning blocks 11 are fixedly connected with the cross beam 3 and the longitudinal beam 4. The positioning blocks 11 are provided with fastening bolts 12 vertically locked in the pile cap 2.
[0032] It should be noted that by setting the positioning blocks 11 in the pouring joint 10, the top surface of the positioning block 11 is lower than the cross beam 3 and the longitudinal beam 4. On the one hand, the pouring joint 10 will be covered after pouring concrete in the later stage, and will not affect the pouring joint 10. Moreover, the fastening bolts 12 set in the pile cap 2 further increase the firmness of the cross beam 3 and the longitudinal beam 4 installed on the pile cap 2.
[0033] In the embodiment, the formwork main body 5 is a frame plate with an upward opening in the inside, and the top wall of the formwork main body 5 is provided with a rubber layer 13 which is movably attached to the bottom wall of the cross beam 3 and the longitudinal beam 4.
[0034] It should be noted that by setting the rubber layer 13, the rubber layer 13 will be attached to the bottom wall of the cross beam 3 and the longitudinal beam 4 during the upward movement of the formwork main body 5. On the one hand, it avoids damaging the cross beam 3 and the longitudinal beam 4, and also improves the sealing between the formwork main body 5 and the cross beam 3 and the longitudinal beam 4.
[0035] In the embodiment, the inner wall of the formwork main body 5 is provided with a high-molecular release film 14, and the mounting blocks 6 on the adjacent two formwork main bodies 5 are spaced apart.
[0036] It should be noted that by setting the high-molecular release film 14 on the inner wall of the formwork main body 5, the formwork main body 5 can be easily disassembled in the later stage, further reducing the disassembly time in the later stage.
[0037] In this embodiment, the inside of the longitudinal beam 4 is provided with a fixedly connected sleeve 15, and the adjustable suspender 7 is movably connected through the sleeve 15. The number of locking collars 8 on one adjustable suspender 7 is two, one of which is locked at the top of the longitudinal beam 4, and the other is locked at the bottom of the mounting block 6.
[0038] It should be noted that, after the construction is completed, the surface layer can be completely fixed in the longitudinal beam 4 by moving the adjustable suspender 7 out of the sleeve 15 and pouring concrete inside the sleeve 15. The locking collar 8 can be used to fix the formwork body 5, thereby realizing the pouring of the surface layer.
[0039] The use method of the above embodiment is as follows: in the construction process of the high-pile wharf, the pile foundation 1 and the pile cap 2 are constructed in advance, the top of the pile cap 2 is provided with a recessed clamping groove 9, and then the pre-poured transverse beam 3 and longitudinal beam 4 are installed in the recessed clamping groove 9. The positioning block 11 is arranged on the transverse beam 3 and the longitudinal beam 4, and the positioning block 11 is located in the pouring joint 10. The fastening bolt 12 is screwed into the pile cap 2 through the positioning block 11, thereby achieving the firm installation of the transverse beam 3 and the longitudinal beam 4.
[0040] The formwork body 5 is assembled by a plurality of prefabricated steel plates. An L-shaped rubber waterstop is arranged at the joint of each steel plate, and the sealing is realized by bolt compression, so that the formwork body 5 can be disassembled in the later stage. The sleeve 15 is fixed in the longitudinal beam 4, and the adjustable suspender 7 extends to the outside through the mounting block 6 and the longitudinal beam 4. The number of locking collars 8 on each adjustable suspender 7 is two. The height of the formwork body 5 is adjusted through the adjustable suspender 7, so that it is attached to the bottom wall of the transverse beam 3 and the longitudinal beam 4. After being adjusted to the appropriate position, the formwork body 5 and the longitudinal beam 4 are completely locked through the locking collar 8, so that the surface layer can be poured in the formwork body 5.
[0041] When the pouring of the surface layer is completed, the adjustable suspender 7 can be moved out of the sleeve 15, and the formwork body 5 can be disassembled. Compared with the original installation method, a large amount of time for supporting from the bottom is reduced, and the disassembly in the later stage is easier, thereby improving the construction efficiency.
[0042] In order to consider the safety of the operation of the construction personnel, technical training and safety education should be conducted for the construction personnel before construction, so as to improve their technical level and safety awareness and ensure that they are familiar with and comply with the safety operation procedures.
[0043] Prepare necessary safety facilities such as safety belts, safety helmets, protective glasses, life jackets, etc., and ensure that the quality of these facilities meets the requirements.
[0044] Set up warning lines to ensure that the construction operation area and the non-operation area are clearly separated, and avoid non-operation personnel entering the construction area.
[0045] Timely inspection of equipment facilities, ensure the equipment operation, avoid the failure to cause the safety accident.
[0046] In the wharf various process construction, strictly abide by the operation regulation, ensure the construction quality and safety of precast pile or bored pile.
[0047] The embodiments of the utility model are given for example and description, although the above has shown and described the embodiment of the utility model, can understand that the above embodiment is exemplary, cannot be understood as the limitation of the utility model, the ordinary skill in the art can change, modify, replace and change to the above embodiment in the range of the utility model.
Claims
1. A concrete inverted formwork for a high-pile wharf, comprising a pile foundation (1) and a pile cap (2), wherein the pile cap (2) is disposed on top of the pile foundation (1), characterized in that: It also includes a crossbeam (3), which is installed on the top of the pile cap (2) and spaced apart. There are spaced longitudinal beams (4) between the crossbeams (3). There is a template body (5) below two adjacent longitudinal beams (4). There are mounting blocks (6) symmetrically arranged on the outer walls of the two opposite surfaces of the template body (5). There are adjustable rods (7) that penetrate vertically through the longitudinal beams (4) on the mounting blocks (6). There are locking bolts (8) symmetrically arranged on the adjustable rods (7).
2. The concrete inverted formwork for high-pile wharves as described in claim 1, characterized in that: The crossbeam (3) and the longitudinal beam (4) are hoisted in a prefabricated manner. The adjustable hangers (7) on two adjacent template bodies (5) are staggered on the longitudinal beam (4). The top of the pile cap (2) is provided with multiple recessed slots (9). The recessed slots (9) together form a cross shape.
3. The concrete inverted formwork for high-pile wharves as described in claim 2, characterized in that: The crossbeam (3) and the longitudinal beam (4) are installed in the recessed slot (9), and a casting node (10) is formed between the two spaced crossbeams (3) and the longitudinal beam (4).
4. The concrete inverted formwork for high-pile wharves as described in claim 3, characterized in that: Positioning blocks (11) are provided on the opposite surfaces of the two cross beams (3) and at both ends of the longitudinal beam (4). The positioning blocks (11) are located in the casting node (10) and are fixedly connected to the cross beams (3) and the longitudinal beams (4). The positioning blocks (11) are provided with fastening bolts (12) that are vertically locked in the pile cap (2).
5. The concrete inverted formwork for high-pile wharves as described in claim 1, characterized in that: The template body (5) is a frame plate with an upward opening inside. The top wall of the template body (5) is provided with a rubber layer (13), which is movably attached to the bottom wall of the crossbeam (3) and the longitudinal beam (4).
6. The concrete inverted formwork for high-pile wharves as described in claim 5, characterized in that: The inner wall of the template body (5) is provided with a polymer release film (14), and the mounting blocks (6) on two adjacent template bodies (5) are distributed in an intermittent manner.
7. The concrete inverted formwork for high-pile wharves as described in claim 1, characterized in that: The longitudinal beam (4) is fitted with a fixed sleeve (15), and the adjustable rod (7) is movably connected through the sleeve (15). There are two locking rings (8) on one of the adjustable rods (7), one of which is locked to the top of the longitudinal beam (4) and the other is locked to the bottom of the mounting block (6).