Assembled base and method

Abstract

The present invention provides a prefabricated pedestal and method, relating to the technical field of prefabricated beam pedestals. The prefabricated pedestal includes a plurality of pedestal units connected one by one front and one back, each pedestal unit including two structural steel support members, a plurality of distribution beams, a steel panel, and a position limiting structure, the two structural steel support members being installed parallel to each other with a gap between them, the plurality of distribution beams straddling the tops of the two structural steel support members, and the lower and upper surfaces of the distribution beams abutting the upper surfaces of the two structural steel support members and the lower surfaces of the steel panel, respectively, and the position limiting structure is provided between the upper surfaces of the two structural steel support members and the lower surfaces of the steel panel, and is used to limit the displacement of the distribution beams and steel panel in the extending direction of the pedestal unit. The present invention effectively reduces usage costs by simply replacing the steel panel in the pedestal unit at the affected location if a localized steel panel deforms or dents under the action of an external load.

Description

Technical Field

[0001] The present invention relates to the technical field of precast beam pedestals, and specifically to assembled pedestals and methods.

Background Art

[0002] In recent years, as people's demand for road traffic has been increasing, the transportation infrastructure in our country has developed rapidly, and the construction technology level of bridges has also been significantly improved. Among them, assembled precast beams are widely applied due to their advantages such as high quality, high working efficiency, controllable risk, and no traffic interruption. During the production of precast beams in the beam manufacturing plant, the pedestal is the main temporary member, which is used to receive the reaction force when prestressing steel bars are tensioned.

[0003] Currently, when constructing the pedestal, the method of casting concrete on-site and laying a thin steel plate on it is widely adopted. According to different structural forms, lengths, and angles of the beam slabs, various precast pedestals are arranged, occupying a large amount of temporary land. Such pedestals are slow to construct, difficult to be quickly formed and used, unable to adapt to beam bodies of various spans, have significant limitations, and relatively high construction costs. Also, after the project is completed, the concrete part of the pedestal cannot be repeatedly used periodically and becomes construction waste, and needs to be disassembled and discarded.

Summary of the Invention

[0004] To solve the above problems to at least some extent, according to a first aspect of the present invention, an assembly-type base is provided, comprising a plurality of base units connected one by one front and one back, wherein each base unit comprises two structural steel support members, a plurality of distribution beams, a steel panel, and a position limiting structure, wherein the two structural steel support members are installed parallel to each other with a gap between them, the plurality of distribution beams straddle the tops of the two structural steel support members, and the lower and upper surfaces of the distribution beams abut the upper surfaces of the two structural steel support members and the lower surface of the steel panel, respectively, and the position limiting structure is provided between the upper surfaces of the two structural steel support members and the lower surface of the steel panel and is used to limit the displacement of the distribution beams and the steel panel in the extending direction of the base unit.

[0005] Selectively, the position limiting structure is provided as a plurality of position limiting blocks, each of which is connected to the upper surface of two of the structural steel support members and the lower surface of the steel panel, and both the upper and lower surfaces of the distribution beam abut between adjacent position limiting blocks.

[0006] Selectively, the base unit further includes a first consolidation seal structure provided on two sides of the steel panel parallel to the two steel support members, the first consolidation seal structure comprising a channel steel, a seal block, and an elastic connecting member, wherein the channel steel is connected to the side of the steel panel, the opening surface of the channel steel is flush with the outer surface of the corresponding steel support member, the seal block is slidably provided in the groove of the channel steel, and both ends of the elastic connecting member are connected to the inner surface of the seal block and the bottom of the groove of the channel steel, respectively, such that at least a portion of the seal block protrudes from the opening surface of the channel steel.

[0007] Selectively, the first consolidation seal structure further comprises a water-retaining strip and a flexible permeable body, wherein a receiving groove is provided on the outer surface of the seal block, the flexible permeable body is slidably provided in the receiving groove, and the outer surface of the flexible permeable body protrudes at least partially from the receiving groove, the water-retaining strip is provided between the inner surface of the flexible permeable body and the bottom of the receiving groove, and permeable holes are provided on the side of the water-retaining strip that abuts the flexible permeable body.

[0008] Selectively, the base unit further includes a suspension point joint structure and a second consolidation seal structure provided between adjacent base units, the suspension point joint structure includes a slide bar, the ends of which are each connected to one of the second consolidation seal structures, and the slide bar and the second consolidation seal structure are slidably provided between the steel panels of adjacent base units.

[0009] Selectively, the base unit further includes a disturbance adjustment structure provided between two of the structural steel support members, the disturbance adjustment structure includes a plurality of lifting bodies provided at both ends and in the middle of the base unit, the lifting bodies are provided as horizontally installed H-shaped structures, the upper surface of the upper beam of the lifting body penetrates the steel panel, the upper surface of the upper beam is flush with the upper surface of the steel panel when the disturbance adjustment structure is inactive, and the bottom surfaces of both ends of the upper beam abut against the upper surfaces of the structural steel support members.

[0010] Selectively, the disturbance adjustment structure further includes two first lifting units, each of which is connected to a lifting body provided at both ends of the base unit, and each first lifting unit includes a first screw support seat and a first screw sleeve, the first screw support seat being provided directly below the lifting body, one end of the first screw sleeve being rotatably connected to the lower surface of the lifting body, and the other end of the first screw sleeve being screw-connected to the first screw support seat.

[0011] Selectively, the disturbance adjustment structure further includes two second lifting units, each of which is connected to two of the lifting bodies located at an intermediate position on the base unit, and each second lifting unit includes two extension rods, two second screw supports, and two second screw sleeves, with one end of each of the two extension rods connected to both sides of the lower part of the lifting body, the other ends of each of the two extension rods rotatably connected to the top ends of the corresponding second screw sleeves through two of the structural steel support members, and the bottom ends of the two second screw sleeves screwed to the corresponding second screw supports.

[0012] Selectively, the disturbance adjustment structure further includes partition plates, a lifting bar, and a spring, wherein a position-restricting groove is provided on the upper surface of the lifting body, a plurality of partition plates are connected within the position-restricting groove to divide the position-restricting groove into a plurality of independent spaces, a lifting bar is slidably connected within each of the independent spaces, and a water reservoir space is provided between the bottom surface of the lifting bar and the bottom of the position-restricting groove, the spring is provided within the water reservoir space, and both ends of the spring abut against the bottom surface of the lifting bar and the bottom of the position-restricting groove, respectively, a water passage hole is provided within the lifting bar that penetrates the water reservoir space along the longitudinal direction, and a sealing bolt is connected to the upper surface of the lifting bar to close the water passage hole.

[0013] According to a second aspect, the present invention further provides a method for assembling a base, based on the above-described assembly base, Assembling the base unit, first arranging two structural steel support members parallel to each other with a gap between them, then attaching the distribution beam to the two structural steel support members, and then attaching the steel panel to the distribution beam (S1), The process includes assembling a base, and then, using the base assembled in step S1 as a starting point, synchronously assembling the remaining base units from both ends in step S2. [Effects of the Invention]

[0014] Compared to conventional technology, the assembly-type base of the present invention has the following beneficial effects. By disassembling a single complete base into multiple individual bases, the size and weight of each base are reduced, making movement, positioning, and subsequent transport easier. At the same time, if a localized steel panel deforms or dents under external load, only the steel panel within the affected base unit needs to be replaced, effectively reducing usage costs. Furthermore, by dividing the base units into different lengths, it becomes easier to join the entire base based on the design value of the prefabricated beam length during the actual construction process, ensuring compatibility between the base length and the prefabricated beam length. Simultaneously, during the actual installation process, the base units... The assembly can be performed synchronously from the middle to both sides, and during the disassembly process, the base unit can be removed synchronously from both sides to the middle, thereby significantly improving the overall construction efficiency of the base. Furthermore, the position-restricting structure can limit the displacement of the distribution beam in the extending direction of the base unit, effectively preventing the distribution beam and steel panel from displacing or deflecting with the structural steel support members under the action of external loads. The position-restricting structure has no restrictions in other directions, and while the position-restricting structure also serves a position-restricting function, the positioning, assembly, and disassembly of the distribution beam and steel panel are also very convenient. [Brief explanation of the drawing]

[0015] [Figure 1] This is a schematic diagram of the structure of an assembly-type base according to an embodiment of the present invention. [Figure 2] This is a front view of an assembly-type base according to an embodiment of the present invention. [Figure 3] This is an enlarged view of the structure of part A1 in Figure 1. [Figure 4] This is a cross-sectional view of AA in Figure 2. [Figure 5] This is an enlarged view of section A3 in Figure 4. [Figure 6] This is an enlarged view of the structure of section A2 in Figure 1. [Figure 7] This is a schematic diagram showing the mounting of the lifting bar in an assembly-type base according to an embodiment of the present invention. [Modes for carrying out the invention]

[0016] To make the above-mentioned objectives, features, and advantages of the present invention easier to understand, specific embodiments of the present invention will be described in detail below with reference to the attached drawings.

[0017] In describing the present invention, the terms “attachment,” “connection,” and “connection” should be understood in a broad sense unless otherwise explicitly stated or limited. For example, these may be fixed connections, removable connections, or integral connections, and may be direct connections or indirect connections via an intermediate medium. Those skilled in the art will be able to understand the specific meaning of these terms in the present invention depending on the specific circumstances.

[0018] In this specification, reference terms such as “example,” “one example,” “several embodiments,” “exemplary,” and “one embodiment” are intended to mean that the specific features, structures, materials, or properties described with reference to such examples or embodiments are included in at least one example or embodiment of the present invention. In this specification, the general expressions of the above terms do not necessarily mean the same example or embodiment. Furthermore, the specific features, structures, materials, or properties described may be combined in an appropriate manner in any one or more examples or embodiments.

[0019] The terms "first," "second," etc., are used solely for explanatory purposes and should not be understood as indicating or suggesting relative importance, or implicitly representing the number of technical features shown. Thus, features defined as "first" or "second" may explicitly or implicitly include at least one such feature.

[0020] In the figure, the Z-axis represents the vertical direction, that is, the up and down position. The positive direction of the Z-axis represents up, and the negative direction of the Z-axis represents down. In the figure, the X-axis represents the horizontal direction, that is, the left and right position. The positive direction of the X-axis represents the left side, and the negative direction of the X-axis represents the right side. In the figure, the Y-axis represents the front and back position. The positive direction of the Y-axis represents the front side, and the negative direction of the Y-axis represents the back side. At the same time, the expressions of the above-mentioned Z-axis, Y-axis and X-axis are only intended to facilitate the description of the present invention and simplify the description, and do not indicate or imply that the shown device or element must have a specific orientation and be constructed and operated in a specific orientation. Therefore, it should not be understood as limiting the present invention.

[0021] Embodiments of the present invention provide an assembled pedestal, which includes a plurality of single pedestals connected one by one in the front and back. The single pedestal includes two profiled steel support members 1, a plurality of distribution beams 2, a steel panel 3 and a position limiting structure 7. The two profiled steel support members 1 are installed in parallel at intervals. The plurality of distribution beams 2 span between the tops of the two profiled steel support members 1. The lower surface and the upper surface of the distribution beam 2 are respectively abutted against the upper surface of the two profiled steel support members 1 and the lower surface of the steel panel 3. The position limiting structure 7 is provided on the upper surface of the two profiled steel support members 1 and the lower surface of the steel panel 3 to limit the displacement of the distribution beam 2 and the steel panel 3 in the extending direction of the single pedestal.

[0022] In this embodiment, by decomposing one complete pedestal into multiple individual pedestals, the size of the individual pedestal is small, lightweight, facilitating movement, positioning, and subsequent transfer. On the other hand, when the local steel panel 3 is deformed and dented under the action of external loads, only the steel panel 3 within the corresponding individual pedestal needs to be replaced, effectively reducing the usage cost. Moreover, by classifying the individual pedestals into different lengths, it is easy to join the entire pedestal based on the design value of the length of the prefabricated beam during the actual construction process, ensuring the compatibility between the length of the pedestal and the length of the prefabricated beam. For example, the individual pedestals can be divided into multiple model numbers according to the difference in length. For instance, model number A represents an individual pedestal with a length of 4m, model number B represents an individual pedestal with a length of 2m, and model number C represents an individual pedestal with a length of 1m. Two model numbers A and one model number B can form a 10m pedestal. At the same time, during the actual installation process, the assembly of the individual pedestals can be synchronized from the middle to both sides, and during the removal process, the removal of the individual pedestals can be synchronized from both sides to the middle, thereby significantly improving the construction efficiency of the entire pedestal. Additionally, the position limiting structure 7 can limit the displacement of the distribution beam 2 along the X-axis direction in the drawing in the extending direction of the individual pedestal, effectively preventing the distribution beam 2 and the steel panel 3 from generating displacement or deflection with the profiled steel support member 1 under the action of external loads. The position limiting structure 7 has no restrictions in other directions. While the position limiting structure 7 serves as a position limiting function, the positioning, assembly, and removal of the distribution beam 2 and the steel panel 3 are also very convenient.

[0023] As shown in FIG. 1, first, the profiled steel support member 1 can be in the shape of a rectangle, with its length greater than its height. Both sides of the profiled steel support member 1 are recessed inward to form rectangular concave grooves, and a plurality of longitudinal ribs 11 are welded at uniform intervals along the longitudinal direction within the concave grooves. The installation of the concave grooves and the ribs 11 ensures the load-bearing performance of the profiled steel support member 1 while reducing the self-weight of the profiled steel support member 1, facilitating installation and subsequent transfer. A plate-shaped anchor 12 is welded to the bottom of the profiled steel support member 1, and the anchor 12 may also be integrally formed with the bottom of the profiled steel support member 1. The plate-shaped anchor 12 can effectively increase the contact area between the profiled steel support member 1 and the floor surface, thereby reducing the contact stress and preventing the occurrence of relatively large settlement. Next, multiple distribution beams 2 can be arranged on the top surface of the structural steel support member 1 at uniform intervals along the X-axis direction in the longitudinal view. The distribution beams 2 straddle the structural steel support member 1 on both sides, and both ends of the distribution beams 2 are spaced at the same distance as the outer surfaces of the structural steel support member 1 on both sides. In this embodiment, H-shaped steel can be used for the distribution beams 2, which reduces the self-weight while ensuring good load-bearing performance. A steel panel 3 is provided on the top surface of the distribution beam 2, the length of the steel panel 3 is the same as the length of the structural steel support member 1, and the width of the steel panel 3 is the same as the length of the distribution beam 2. As shown in Figure 3, the position restriction structure 7 may be a plurality of position restriction blocks 13, and the position restriction blocks 13 may be provided on both sides of the wing plate of the distribution beam 2. The lower position restriction block 13 is welded to the top surface of the structural steel support member 1, and the upper position restriction block 13 is welded to the bottom surface of the steel panel 3. The position-restricting action of the position-restricting block 13 effectively prevents the distribution beam 2 and steel panel 3 from displacing or deflecting relative to the structural steel support member 1 under external load. Furthermore, the positioning action of the position-restricting block 13 is extremely convenient for positioning, assembling, and disassembling the distribution beam 2 and steel panel 3. Furthermore, multiple connection holes 14 are provided in the side wall of the structural steel support member 1 along the Z-axis direction in the height direction diagram, and female threads are drilled in the connection holes 14, enabling connection and fixing between two adjacent base units by bolts. By disassembling one complete base into multiple base units, the size of each base unit is small and lightweight, making movement, positioning, and subsequent transport easy. At the same time, if a local steel panel 3 deforms or dents under the action of an external load, the cost of use is effectively reduced by simply replacing the steel panel 3 in the base unit at the affected location. In addition, the actual installation process can be performed synchronously from the middle to both sides, and the removal process can be performed synchronously from both sides to the middle, thereby significantly improving the overall construction efficiency of the base.

[0024] During the concrete pouring process, formwork must be attached to both sides of the base unit. In many cases, it is difficult to completely compact and seal the contact points between the steel panel 3 and the formwork, which causes concrete slurry to leak out through the gaps. This not only leads to the waste of building materials, but excessive slurry leakage can also affect the physical and mechanical properties of the concrete. Based on this, in this embodiment, a first compaction seal structure 4, as shown in Figures 4 and 5, is installed on the side of the steel panel 3.

[0025] The first consolidation seal structure 4 includes a channel steel 41 welded to the side of the steel panel 3, and it should be emphasized that the opening direction of the channel steel 41 is offset from the steel panel 3, and the opening surface of the channel steel 41 is flush with the outer surface of the structural steel support member 1. A seal block 42 is slidably connected inside the channel steel 41, the width of the seal block 42 matches the width of the opening of the channel steel 41, the length of the seal block 42 matches the length of the channel steel 41, and the height of the seal block 42 is less than the depth of the opening of the channel steel 41. Multiple elastic connecting members 43 are installed at uniform intervals along the longitudinal direction of the channel steel 41 between the seal block 42 and the channel steel 41, and the elastic connecting members 43 enable elastic connection between the seal block 42 and the channel steel 41. In this embodiment, the elastic connecting members 43 are preferably compression springs, one end of the compression spring is welded to the inner surface of the seal block 42, and the other end of the compression spring is welded to the bottom surface of the opening of the channel steel 41.

[0026] To prevent displacement of the seal block 42 during sliding, multiple first position limiting chutes are provided on the inside of both side walls of the channel steel 41, and first position limiting sliders that fit the first position limiting chutes are welded to both sides of the seal block 42, with the first position limiting sliders corresponding one-to-one with the first position limiting chutes. The installation of the first position limiting sliders and first position limiting chutes restricts the sliding direction of the seal block 42.

[0027] During formwork installation, the formwork presses the seal block 42 horizontally, causing it to enter the channel steel 41. The outer surface of the seal block 42 is flush with the opening surface of the channel steel 41, and the elastic connecting member 43, under pressure, generates a rebound force that supports the consolidation seal between the seal block 42 and the formwork, effectively preventing the leakage of slurry from the concrete.

[0028] Currently, wooden formwork is commonly used in construction, but the surface of wooden formwork is rough and uneven, making it difficult for the seal block 42 and the formwork to make complete contact and tight adhesion. Based on this, a rectangular storage groove 44 is provided on the outer surface of the seal block 42, the opening direction of the storage groove 44 coincides with the opening direction of the channel steel 41, and a rectangular parallelepiped-shaped flexible water-permeable body 46 of equal cross-sectional size is slidably connected inside the storage groove 44, the flexible water-permeable body 46 is partially exposed to the outside of the storage groove 44, and the flexible water-permeable body 46 can be selected from sponge or sponge rubber, but in this embodiment, sponge rubber is preferred. A rectangular parallelepiped-shaped water-storage strip 45 is provided between the inner surface of the flexible water-permeable body 46 and the bottom of the storage groove 44, the inner surface of the water-storage strip 45 is bonded to the bottom of the storage groove 44, the side surface of the water-storage strip 45 is bonded to the side wall of the storage groove 44, and the outer surface of the water-storage strip 45 is in contact with the inner surface of the flexible water-permeable body 46. A water reservoir space is formed in the hollow interior of the water reservoir strip 45, and the water reservoir strip 45 is made of a flexible material, preferably a rubber material in this embodiment. Multiple permeable holes are installed at uniform intervals along the longitudinal direction of the water reservoir strip 45 on the upper outer surface of the water reservoir strip 45.

[0029] During formwork installation, the formwork presses and compresses the flexible permeable body 46, causing it to enter the containment groove 44. The water-retaining strip 45 inside the flexible permeable body 46 is subjected to this pressure, causing the water inside to be discharged through the permeable holes. The pores inside the flexible permeable body 46 develop, and through its own capillary action, the water moves to the wooden formwork, causing the formwork to expand due to water ingress. The expanded areas actively contact the seal block 42, while the expanded areas soften, reducing their deformation resistance. A certain deformation occurs during contact with the seal block 42, resulting in a tighter bond between the two. Furthermore, the formwork installation process takes place before the concrete placement process. By installing the water-retaining strip 45 and flexible permeable body 46 before concrete placement, the consolidation sealing effect between the formwork and the seal block 42 is further improved, preventing the leakage of concrete slurry in the initial stages of placement.

[0030] After the prefabricated beams are poured and cured, they are moved to the construction site. In this process, cranes are the main means of transport, and the crane's lifting ropes pass under the prefabricated beams. It is necessary to secure lifting point notches in the base based on the lifting point positions of the prefabricated beams. Therefore, by combining and joining base units of different lengths, the lifting points are positioned precisely at the connection points between adjacent base units, and a lifting point joining structure 5 is provided at the connection points.

[0031] As shown in Figure 6, the suspension point connection structure 5 is provided between adjacent base units, in other words, the suspension point connection structure 5 is installed at only one end of a base unit, and this end is used to connect to the end of another adjacent base unit where the suspension point connection structure 5 is not installed. The suspension point connection structure 5 includes a rectangular parallelepiped slide bar 51, the length of the slide bar 51 matches the width of the steel panel 3, the thickness of the slide bar 51 matches the thickness of the steel panel 3, and a second consolidation seal structure 8 is installed at both ends of the slide bar 51, and the second consolidation seal structure 8 is connected to the first consolidation seal structure 4 The structure is the same, differing only in size, with a second position limiting chute 52 opened on the side of the steel panel 3 and on the side of the channel steel 41 in the first consolidation seal structure 4 located on both sides of the steel panel 3, and a second position limiting slider 53 welded to the side of the slide bar 51 and on the side of the channel steel in the second consolidation seal structure 8 located at both ends of the slide bar 51, the second position limiting slider 53 being adapted to correspond to the second position limiting chute 52, and the close-contact seal structure 4 here is not integral with the close-contact seal structure 4 but is slidable together with the slide bar 51.

[0032] In this embodiment, before the prefabricated beam is lifted, the slide bar 51 and the tight sealing structures 4 at both ends thereof are slid between adjacent base units, creating a strip-shaped notch between the adjacent base units, and further creating a notch at the lifting point of the prefabricated beam. The lifting rope is then passed through the notch to lift the prefabricated beam. The installation of the lifting point connection structure 5 allows for the formation of the lifting point notch relatively easily without affecting the continuity and integrity of the bases, which is convenient for subsequent lifting.

[0033] The purpose of prestressing prefabricated beam members is to offset some or all of the tensile stress generated in the concrete by the load with pre-applied compressive stress. After applying pre-compressive stress, a certain reverse camber inevitably occurs in the prefabricated beam members, which is also a common characteristic of prestressed concrete members. Prefabricated beams with varying reverse camber values ​​may exhibit a step-like phenomenon on the overall upper and lower surfaces after installation. If the reverse camber value is too large and the pavement thickness of the bridge deck cannot be secured, the longitudinal section of the route must be adjusted. If the reverse camber value is too small, the corresponding pavement thickness increases. Thus, not only does the amount of pavement on the bridge deck increase, but the weight of the bridge itself increases, creating a significant safety risk, and changing the design also increases construction costs.

[0034] To counteract this, reverse camber adjustment of the prefabricated beam is necessary to offset the reverse camber value generated during tension. Currently, during construction, steel plate mats of different thicknesses are laid in advance under the bottom formwork, and the bottom formwork is adjusted to a certain deflection. This deflection is the same magnitude as the deflection of the prefabricated beam, but in the opposite direction. After several tensioning cycles against the prestress of the beam, the reverse camber of the bottom formwork is offset by the camber of the bridge, thereby achieving the effect of reverse camber adjustment.

[0035] However, the method of laying steel base plates requires combining steel base plates of different thicknesses, making it difficult to satisfy the required precision. On the other hand, the bottom formwork is arched, and the contact between the bottom formwork and the steel base plate below is generally line contact, resulting in a small contact area. This causes stress concentration, leading to deformation in the bottom formwork on both sides of the contact point, ultimately affecting the casting and forming effect of the prefabricated beam.

[0036] As shown in Figures 1 and 2, based on this, a disturbance adjustment structure 6 is added in addition to the base unit, and as shown in Figure 7, the disturbance adjustment structure 6 further includes two first lifting units, the two first lifting units are connected to the lifting bodies 61 provided at both ends of the base unit, and the first lifting unit includes a first screw support seat 62 and a first screw sleeve 63, the first screw support seat 62 is provided directly below the lifting body 61, one end of the first screw sleeve 63 is rotatably connected to the lower surface of the lifting body 61 and the other end of the first screw sleeve 63 is screw-connected to the first screw support seat 62.

[0037] The disturbance adjustment structure 6 further includes two second lifting units, each connected to two lifting bodies 61 located at the intermediate position of the base unit. The second lifting units include two extension rods 67, two second screw support seats 68, and two second screw sleeves 69. One end of each extension rod 67 is connected to both sides of the lower part of the lifting body 61. The other ends of each extension rod 67 are rotatably connected to the top ends of the corresponding second screw sleeves 69, passing through two structural steel support members 1. The bottom ends of the two second screw sleeves 69 are screw-connected to the corresponding second screw support seats 68. By adjusting the height of the lifting bodies 61 at both sides and the intermediate position, reverse camber adjustment can be achieved, and the reverse camber value can be achieved by adjusting the height with relative accuracy compared to laying a steel base plate.

[0038] To increase the contact area between the lifting body 61 and the bottom formwork, a position-restricting groove 611 is provided on the top surface of the lifting body 61. Multiple partition plates 64 are welded to the position-restricting groove 611 at uniform intervals along the width direction, thereby dividing the position-restricting groove 611 into multiple independent spaces. For example, two partition plates 64 form three independent spaces, and a lifting bar 65 is installed in each independent space. Seal rubber is bonded around the lifting bar 65, thereby achieving a sliding seal connection between the lifting bar 65 and the independent space. A water reservoir space is formed at a distance between the lifting bar 65 and the position-restricting groove 611. Multiple springs 66 are installed in the water reservoir space at uniform intervals along the longitudinal direction of the position-restricting groove 611, and the springs 66 achieve an elastic connection between the lifting bar 65 and the bottom surface of the position-restricting groove 611. A water passage hole 651 is provided on the top surface of the lifting bar 65, passing through the lifting bar 65 along the Z-axis direction in the height direction diagram. The water passage hole 651 communicates with the water storage space at the bottom of the lifting bar 65, and a sealing bolt 652 is screw-connected to the water passage hole 651.

[0039] During use, water is injected through the water passage hole 651, and when the lifting bar 65 rises to a preset reverse camber value, the water passage hole 651 is closed with a sealing bolt 652. Under normal conditions, the compressive modulus of the water is negligibly small, and the load of the upper prefabricated beam is supported through the water. After the curing of the prefabricated beam is complete, the water passage hole 651 is opened, and the lifting bar 65 moves downward under the rebound action of the spring 66 and its own gravity, and the water in the water storage space is discharged through the water passage hole 651. In this process, the lifting bar 65 in the three independent spaces can be adaptively adjusted by the reverse camber, that is, increasing from the original single-line contact to three-line contact, increasing the contact area and preventing deformation of the bottom formwork on both sides of the contact area due to stress concentration.

[0040] Although the present invention is disclosed as described above, the scope of the present invention is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and any such changes and modifications will fall within the scope of the present invention. [Explanation of symbols]

[0041] 11 Rib, 12 Ground foot, 13 Position limiting block, 14 Connection hole, 2 Distribution beam, 3 Steel panel, 4 First consolidation seal structure, 41 Channel steel, 42 Seal block, 43 Elastic connecting member, 44 Retaining groove, 45 Water storage strip, 46 Flexible water permeable body, 5 Suspension point joint structure, 51 Slide bar, 52 Second position limiting chute, 53 Second position limiting slider, 6 Disturbance adjustment structure, 61 Lifting body, 611 Position limiting groove, 62 First screw support seat, 63 First screw sleeve, 64 Partition plate, 65 Lifting bar, 651 Water passage hole, 652 Sealing bolt, 66 Spring, 67 Extension rod, 68 Second screw support seat, 69 Second screw sleeve, 7 Position limiting structure, 8 Second consolidation seal structure.

Claims

1. The assembly-type base includes a plurality of base units connected one at each end, each base unit including two structural steel support members (1), a plurality of distribution beams (2), a steel panel (3), and a position-restricting structure (7), wherein the two structural steel support members (1) are installed parallel to each other with a gap between them, the plurality of distribution beams (2) straddle the tops of the two structural steel support members (1), and the lower and upper surfaces of the distribution beams (2) abut against the upper surfaces of the two structural steel support members (1) and the lower surface of the steel panel (3), respectively, and the position-restricting structure (7) is provided between the upper surfaces of the two structural steel support members (1) and the lower surface of the steel panel (3), and is used to restrict the displacement of the distribution beams (2) and the steel panel (3) in the extending direction of the base unit. A modular base characterized by the following features.

2. The position restriction structure (7) is provided as a plurality of position restriction blocks (13), each of which is connected to the upper surface of two of the structural steel support members (1) and the lower surface of the steel panel (3), and both the upper and lower sides of the distribution beam (2) abut against adjacent position restriction blocks (13). The assembly-type base according to feature 1.

3. The base unit further includes a first consolidation seal structure (4) provided on two sides of the steel panel (3) parallel to the two steel support members (1), the first consolidation seal structure (4) includes a channel steel (41), a seal block (42), and an elastic connecting member (43), wherein the channel steel (41) is connected to the side of the steel panel (3), the opening surface of the channel steel (41) is flush with the outer surface of the corresponding steel support member (1), the seal block (42) is slidably provided in the groove of the channel steel (41), and both ends of the elastic connecting member (43) are connected to the inner surface of the seal block (42) and the bottom of the groove of the channel steel (41), respectively, such that at least a portion of the seal block (42) protrudes from the opening surface of the channel steel (41). The assembly-type base according to feature 1.

4. The first consolidation seal structure (4) further includes a water storage strip (45) and a flexible permeable body (46), wherein a receiving groove (44) is provided on the outer surface of the seal block (42), the flexible permeable body (46) is slidably provided within the receiving groove (44), and the outer surface of the flexible permeable body (46) protrudes at least partially from the receiving groove (44), the water storage strip (45) is provided between the inner surface of the flexible permeable body (46) and the bottom of the receiving groove (44), and permeable holes are provided on the side of the water storage strip (45) that abuts the flexible permeable body (46). The assembly-type base according to feature 3.

5. The base unit further includes a suspension point joint structure (5) and a second consolidation seal structure (8) provided between adjacent base units, the suspension point joint structure (5) includes a slide bar (51), both ends of the slide bar (51) are each connected to one of the second consolidation seal structures (8), and the slide bar (51) and the second consolidation seal structure (8) are slidably provided between the steel panels (3) of adjacent base units. The assembly-type base according to feature 4.

6. The base unit further includes a disturbance adjustment structure (6) provided between two of the structural steel support members (1), the disturbance adjustment structure (6) includes a plurality of lifting bodies (61) provided at both ends and in the middle of the base unit, the lifting bodies (61) are provided as horizontally installed H-shaped structures, the upper surface of the upper beam of the lifting body (61) penetrates the steel panel (3), the upper surface of the upper beam is flush with the upper surface of the steel panel (3) when the disturbance adjustment structure (6) is in a non-operating state, and the bottom surfaces of both ends of the upper beam abut against the upper surface of the structural steel support member (1). The assembly-type base according to feature 1.

7. The disturbance adjustment structure (6) further includes two first lifting units, each of which is connected to the lifting body (61) provided at both ends of the base unit, and each first lifting unit includes a first screw support seat (62) and a first screw sleeve (63), the first screw support seat (62) being provided directly below the lifting body (61), one end of the first screw sleeve (63) being rotatably connected to the lower surface of the lifting body (61), and the other end of the first screw sleeve (63) being screw-connected to the first screw support seat (62). The assembly-type base according to feature 6.

8. The disturbance adjustment structure (6) further includes two second lifting units, each of which is connected to two of the lifting bodies (61) located at an intermediate position on the base unit, and each second lifting unit includes two extension rods (67), two second screw support seats (68), and two second screw sleeves (69), with one end of each of the two extension rods (67) connected to both sides of the lower part of the lifting body (61), the other ends of each of the two extension rods (67) rotatably connected to the top end of the corresponding second screw sleeve (69) through two of the structural steel support members (1), and the bottom ends of the two second screw sleeves (69) screw-connected to the corresponding second screw support seats (68). The assembly-type base according to feature 6.

9. The disturbance adjustment structure (6) further includes a partition plate (64), a lifting bar (65), and a spring (66), and a position limiting groove (611) is provided on the upper surface of the lifting body (61), and a plurality of partition plates (64) are connected within the position limiting groove (611) to divide the position limiting groove (611) into a plurality of independent spaces, and the lifting bar (65) is slidably connected within each of the independent spaces, and the bottom surface of the lifting bar (65) and the position limiting A water storage space is provided between the groove (611) and the bottom of the groove, the spring (66) is provided in the water storage space, and both ends of the spring (66) abut against the bottom surface of the lifting bar (65) and the bottom of the position limiting groove (611), respectively, a water passage hole (651) is provided in the lifting bar (65) that penetrates the water storage space along the vertical direction, and a sealing bolt (652) is connected to the upper surface of the lifting bar (65) to close the water passage hole (651). The assembly-type base according to feature 6.

10. A method for assembling a base, based on the assembly type base described in any one of claims 1 to 9, Assembling the base unit, first arranging two structural steel support members (1) parallel to each other with a gap between them, then attaching the distribution beam (2) to the two structural steel support members (1), and then attaching the steel panel (3) to the distribution beam (2) in S1, The process includes assembling a base, and then, using the base assembled in step S1 as the starting point, synchronously assembling the remaining base units from both ends, as shown in step S2. A method for assembling a base characterized by the following features.

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