Concrete fully assembled dry structure connection system

Abstract

The present invention discloses a concrete fully assembled dry structure connection system, which belongs to the field of assembled building technology, and includes a plurality of pairs of prefabricated independent foundations arranged at intervals, wherein a lower prefabricated lotus root beam is installed between each pair of the prefabricated independent foundations, a lower prefabricated foundation beam is installed between two adjacent lower prefabricated lotus root beams, and each prefabricated independent foundation is installed with a prefabricated column located above the lower prefabricated lotus root beam, an upper prefabricated lotus root beam is installed between the tops of each pair of the prefabricated columns, an upper prefabricated foundation beam is installed between two adjacent upper prefabricated lotus root beams, and a prefabricated floor slab is installed at the tops of two adjacent pairs of the prefabricated columns located above the upper prefabricated lotus root beams. The present invention does not require on-site steel bar tying, is easy to construct, has high connection reliability, and has high connection efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of prefabricated buildings, and in particular relates to a concrete fully assembled dry structure connection system. Background Art

[0002] Prefabricated concrete buildings refer to concrete structure buildings that are mainly designed and constructed using factory-produced prefabricated concrete components and are assembled on site.

[0003] With the acceleration of the process of "building industrialization and housing industrialization" in my country, the continuous reduction of China's "demographic dividend", the emergence of labor shortage in the construction industry, and the trend of residential industrialization, the application of prefabricated concrete structures has become a current research hotspot, and new technologies and forms of prefabricated concrete structures for residential buildings are emerging all over the country. Prefabricated reinforced concrete structure is one of the important directions of the development of building structure in my country. It is conducive to the development of my country's building industrialization, improving production efficiency and saving energy, developing green and environmentally friendly buildings, and is conducive to improving and ensuring the quality of construction projects.

[0004] However, prefabricated concrete structures also have some disadvantages, such as complex node connection forms. At present, the main connection node forms in the existing technology require on-site tying of steel bars and pouring of concrete, which not only requires high construction technology, but also easily causes hidden dangers to node quality if the operation is improper, which limits the use of prefabricated concrete components to a certain extent.

[0005] Therefore, in the field of prefabricated building technology, there is still a need for research and improvement on the concrete fully assembled dry structure connection system, which is also a research hotspot and focus in the current prefabricated building technology field, and is also the starting point for the completion of the present invention. Summary of the invention

[0006] Therefore, the technical problem to be solved by the present invention is to provide a concrete fully assembled dry structure connection system which is easy to construct, has high connection reliability and high connection efficiency.

[0007] In order to solve the above technical problems, the technical solution of the present invention is: a concrete fully assembled dry structure connection system, including a plurality of pairs of prefabricated independent foundations arranged at intervals, a lower prefabricated lotus root beam is installed between each pair of the prefabricated independent foundations, a lower prefabricated foundation beam is installed between two adjacent lower prefabricated lotus root beams, each prefabricated independent foundation is installed with a prefabricated column located above the lower prefabricated lotus root beam, an upper prefabricated lotus root beam is installed between the tops of each pair of the prefabricated columns, an upper prefabricated foundation beam is installed between two adjacent upper prefabricated lotus root beams, and prefabricated floor slabs are installed at the tops of two adjacent pairs of the prefabricated columns located above the upper prefabricated lotus root beams;

[0008] The prefabricated lotus root beams located at the upper and lower parts both have a column section, at least one side of the column section is provided with a first supporting portion extending along the width direction of the prefabricated lotus root beam, the bottom surface of the first supporting portion is provided with a first embedded plate, and the top surface of the column section on the side corresponding to the first supporting portion is provided with a second embedded plate; the ends of the prefabricated foundation beams located at the upper and lower parts are both provided with a first lap joint portion extending along the length direction of the prefabricated foundation beam and cooperating with the first supporting portion, a third embedded plate is provided on the top surface of the first lap joint portion, and a fourth embedded plate is provided on the bottom surface of the ends of the prefabricated foundation beams located at the upper and lower parts; a first connecting plate is fixedly connected between the first embedded plate and the fourth embedded plate, and a second connecting plate is fixedly connected between the second embedded plate and the third embedded plate.

[0009] As an improvement, grouting material is poured into the gap between the column shaft section and the first overlapping portion, and into the gap between the first supporting portion and the end of the prefabricated foundation beam.

[0010] As an improvement, grooves are provided on the bottom surface of the first supporting part, the top surface of the column section on the side corresponding to the first supporting part, the top surface of the first overlapping part and the bottom surface of the end of the prefabricated foundation beam, and the first embedded plate, the second embedded plate, the third embedded plate and the fourth embedded plate are respectively located in the corresponding grooves; the first connecting plate is located in the groove where the first embedded plate and the fourth embedded plate are located, and the second connecting plate is located in the groove where the second embedded plate and the third embedded plate are located.

[0011] As an improvement, fifth embedded plates are respectively provided on the contacting surfaces of the first supporting portion and the first overlapping portion.

[0012] As an improvement, the prefabricated floor slab includes a first prefabricated floor slab and a second prefabricated floor slab, at least one side edge of the first prefabricated floor slab is provided with a second supporting portion protruding outward, the upper surface of the second supporting portion is provided with a receiving groove for accommodating a water-stop rubber strip, and the receiving groove extends along the length direction of the second supporting portion; a second overlapping portion cooperating with the second supporting portion is provided on the second prefabricated floor slab, and a mortar is sealed in the gap between the second overlapping portion and the first prefabricated floor slab.

[0013] As a further improvement, a plurality of bolts are pre-embedded on the second supporting part, and bolt holes corresponding to the bolts are opened on the second overlapping part. The bolts pass through the bolt holes and are threadedly connected with nuts; an operating opening is opened on the second overlapping part at the bolt hole, and the protruding end of the bolt is located in the operating opening.

[0014] As an improvement, the beam body section of the prefabricated lotus root beam located at the upper part and / or the upper surface of the prefabricated foundation beam are provided with stirrups, and stirrup accommodating holes matching with the stirrups are opened on the prefabricated floor slab, and slurry is poured in the stirrup accommodating holes.

[0015] As an improvement, a plurality of foundation dowel bars are pre-embedded on the prefabricated independent foundation, a first through hole for the foundation dowel bars to pass through is opened on the column body section of the lower prefabricated lotus root beam, a grouting sleeve corresponding to the foundation dowel bars is provided at the bottom of the prefabricated column, and grouting material is poured into the grouting sleeve.

[0016] As an improvement, a plurality of prefabricated column dowels are embedded in the top of the prefabricated column, a second through hole for the prefabricated column dowels to pass through is opened on the column body section of the upper prefabricated lotus root beam, and reserved holes matching the prefabricated column dowels are opened on the prefabricated floor slab.

[0017] As an improvement, a base mortar is provided between the lower prefabricated lotus root beam and the prefabricated independent foundation and the prefabricated column; a base mortar is provided between the upper prefabricated lotus root beam and the prefabricated column and the prefabricated floor slab.

[0018] After adopting the above technical solution, the beneficial effects of the present invention are:

[0019] The concrete fully assembled dry structure connection system provided by the present invention, when the prefabricated lotus root beam located at the upper part or the lower part is connected with the prefabricated foundation beam, at least one side of the column section of the prefabricated lotus root beam located at the upper part and the lower part is provided with a first supporting part, the bottom surface of the first supporting part is provided with a first embedded plate, and the top surface of the column section on the side corresponding to the first supporting part is provided with a second embedded plate; a first lap joint is provided at the end of the prefabricated foundation beam, a third embedded plate is provided on the top surface of the first lap joint, and a fourth embedded plate is provided on the bottom surface of the end of the prefabricated foundation beam; a first connecting plate is fixedly connected between the first embedded plate and the fourth embedded plate, and a second connecting plate is fixedly connected between the second embedded plate and the third embedded plate, so that when the prefabricated foundation beam located at the upper part and the prefabricated lotus root beam located at the lower part are connected, The first overlapped part of the prefabricated foundation beam is overlapped on the supporting part of the first prefabricated lotus root beam, and the first embedded plate is aligned with the fourth embedded plate, the second embedded plate is aligned with the third embedded plate, and then the first embedded plate and the fourth embedded plate are connected together by the first connecting plate, and the second embedded plate and the third embedded plate are connected together by the second connecting plate, so that the connection between the prefabricated foundation beam and the prefabricated lotus root beam can be realized. The concrete fully assembled dry structure connection system provided by the present invention does not need to tie steel bars on site, is easy to construct, has high connection reliability, and has high connection efficiency.

[0020] Since grouting material is poured into the gap between the column section and the first overlapping part and into the gap between the first supporting part and the end of the prefabricated foundation beam, the connection between the prefabricated foundation beam and the prefabricated lotus root beam is more reliable through the connection of the grouting material.

[0021] Since grooves are provided on the bottom surface of the first supporting part, the top surface of the column section on the side corresponding to the first supporting part, the top surface of the first overlapping part and the bottom surface of the end of the prefabricated foundation beam, the first embedded plate, the second embedded plate, the third embedded plate, the fourth embedded plate, the first connecting plate and the second connecting plate can all be located in the corresponding grooves, which can save space.

[0022] Since the fifth embedded plate is respectively arranged on the contact surface of the first supporting part and the first overlapping part, when the first supporting part and the first overlapping part are in contact, the fifth embedded plate can protect the contact surface and prevent the first supporting part and the first overlapping part from being damaged.

[0023] Since the prefabricated floor slab includes a first prefabricated floor slab and a second prefabricated floor slab, at least one side edge of the first prefabricated floor slab is provided with a second supporting portion protruding outward, and the upper surface of the second supporting portion is provided with a receiving groove for accommodating a waterproof rubber strip; the second prefabricated floor slab is provided with a second overlapping portion matching with the second supporting portion, and the gap between the second overlapping portion and the first prefabricated floor slab is sealed with mortar, so that when the first prefabricated floor slab and the second prefabricated floor slab are connected, the waterproof rubber strip is placed in the receiving groove, and then the second overlapping portion of the second prefabricated floor slab is overlapped on the second supporting portion of the first prefabricated floor slab, and the gap between the second overlapping portion and the first prefabricated floor slab is sealed with mortar.

[0024] Since a plurality of bolts are pre-embedded on the second supporting portion and bolt holes are provided on the second overlapping portion, when the second overlapping portion and the second supporting portion are matched, the bolts are matched with the bolt holes, and nuts are fixed on the protruding ends of the bolts, so that the connection between the first prefabricated floor slab and the second prefabricated floor slab is more reliable; since an operating opening is provided on the second overlapping portion at the bolt hole, the protruding ends of the bolts are located in the operating opening, thereby saving space.

[0025] Since stirrups are arranged on the upper surface of the beam body of the prefabricated lotus root beam and / or the prefabricated foundation beam, stirrup accommodating holes matching with the stirrups are opened on the prefabricated floor slab, and slurry is poured in the stirrup accommodating holes. When the prefabricated floor slab is connected with the prefabricated lotus root beam and / or the prefabricated foundation beam, the stirrups are located in the stirrup accommodating holes, and slurry is poured into the stirrup accommodating holes, thereby realizing a reliable connection between the prefabricated floor slab and the prefabricated lotus root beam and / or the prefabricated foundation beam.

[0026] Since a number of foundation dowels are pre-embedded on the prefabricated independent foundation, a first through hole for the foundation dowel to pass through is opened on the column section of the lower prefabricated lotus root beam, and a grouting sleeve corresponding to the foundation dowel is provided at the bottom of the prefabricated column, and grouting material is poured into the grouting sleeve. In this way, the column section of the lower prefabricated lotus root beam is inserted on the foundation dowel, and then the grouting sleeve at the bottom of the prefabricated column is matched with the foundation dowel, and then the grouting material is poured in to realize the connection between the prefabricated independent foundation, the lower prefabricated lotus root beam and the prefabricated column.

[0027] Since a plurality of prefabricated column dowels are embedded in the top of the prefabricated column, a second through hole for the prefabricated column dowels to pass through is provided on the column body section of the upper prefabricated lotus root beam, and a reserved hole matching with the prefabricated column dowels is provided on the prefabricated floor slab. In this way, the column body section of the upper prefabricated lotus root beam is inserted into the prefabricated column dowels, and then the reserved holes on the prefabricated floor slab are matched with the prefabricated column dowels to realize the connection between the prefabricated column, the upper prefabricated lotus root beam and the prefabricated floor slab.

[0028] Since seat mortar is arranged between the lower prefabricated lotus root beam and the prefabricated independent foundation and the prefabricated column, and seat mortar is arranged between the upper prefabricated lotus root beam and the prefabricated column and the prefabricated floor slab, the seat mortar can fill the gaps between the prefabricated components. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0030] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0031] Figure 1 It is a structural schematic diagram of a concrete fully assembled dry structure connection system provided by an embodiment of the present invention;

[0032] Figure 2 It is a plan view of the prefabricated independent foundation, the lower prefabricated lotus root beam and the lower prefabricated foundation beam;

[0033] Figure 3It is the plan view of the upper prefabricated lotus root beam, the upper prefabricated foundation beam and the prefabricated floor slab;

[0034] Figure 4a It is a structural diagram of a prefabricated independent foundation;

[0035] Figure 4b yes Figure 4a A top view of

[0036] Figure 5a It is a structural diagram of a prefabricated column;

[0037] Figure 5b yes Figure 5a Magnified upward view of

[0038] Figure 5c yes Figure 5a Magnified top view of

[0039] Figure 6 It is a structural diagram of the connection between the prefabricated foundation beam and the prefabricated lotus root beam at the edge;

[0040] Figure 7a yes Figure 6 Structural schematic diagram of the prefabricated lotus root beam in the middle side;

[0041] Figure 7b yes Figure 7a Right view of;

[0042] Figure 7c yes Figure 7a A top view of

[0043] Figure 7d yes Figure 7a Middle AA section;

[0044] Figure 7e yes Figure 7a Bottom view of

[0045] Figure 8a yes Figure 6 Structural diagram of precast foundation beam;

[0046] Figure 8b yes Figure 8a Right view of;

[0047] Figure 8c yes Figure 8a A top view of

[0048] Figure 8d yes Figure 8a Bottom view of

[0049] Fig. 9 It is a structural diagram of the connection between the prefabricated foundation beam and the middle prefabricated lotus root beam;

[0050] Fig.10a yes Fig. 9 Structural diagram of the middle prefabricated lotus root beam;

[0051] Fig.10b yes Fig.10a Right view of;

[0052] Fig.10c yes Fig.10a A top view of

[0053] Fig.10d yes Fig.10a Middle BB section;

[0054] Fig.10e yes Fig.10a Bottom view of

[0055] Fig.11 It is the reinforcement diagram of the prefabricated foundation beam at the upper edge;

[0056] Fig.12 is a structural schematic diagram of the connection between the first prefabricated floor slab and the second prefabricated floor slab;

[0057] Fig.13a yes Fig.12 Structural diagram of the first prefabricated floor slab;

[0058] Fig.13b yes Fig.13a Right view of;

[0059] Fig.13c yes Fig.13b A partial enlarged schematic diagram of point C in the middle;

[0060] Fig.14a yes Fig.12 Structural schematic diagram of the second prefabricated floor slab;

[0061] Fig.14b yes Fig.14a Right view of;

[0062] Fig.15 is another structural schematic diagram of a connection between a first prefabricated floor slab and a second prefabricated floor slab;

[0063] Fig.16a yes Fig.15 Structural schematic diagram of the second prefabricated floor slab;

[0064] Fig.16b yes Fig.16a DD cross-section diagram;

[0065] Fig.16c yes Fig.16b The local enlarged schematic diagram of point E in the middle;

[0066] Fig.17 It is a structural schematic diagram of the connection between the first prefabricated floor slab or the second prefabricated floor slab and the edge prefabricated lotus root beam;

[0067] In the figure: 1-prefabricated independent foundation, 11-foundation bottom plate, 12-boss, 13-foundation dowel, 2-prefabricated lotus root beam, 2a-edge prefabricated lotus root beam, 21a-column section, 22a-first supporting part, 23a-first embedded plate, 24a-second embedded plate, 25a-first through hole, 2b-middle prefabricated lotus root beam, 21b-column section, 22b-first supporting part, 23b-first embedded plate, 24b-second embedded plate, 25b-first through hole, 3-prefabricated foundation beam, 31-first lap joint, 32-third embedded plate, 33-fourth embedded plate, 4-prefabricated column, 41-grouting sleeve, 42-prefabricated column dowel, 5-prefabricated floor slab, 51-first prefabricated floor slab, 511-second supporting part, 512- Receiving groove, 513-reserved hole, 514-stirrup receiving hole, 52-second prefabricated floor, 521-second overlapping part, 522-stirrup receiving hole, 53-waterstop strip, 54-mortar, 51a-first prefabricated floor, 511a-second supporting part, 52a-second prefabricated floor, 521a-second overlapping part, 5211a-bolt hole, 5212a-operating port, 56-bolt, 57-nut, 58-slurry, 61-first connecting plate, 62-second connecting plate, 7-grouting material, 8a-fifth embedded plate, 8b-fifth embedded plate, 9-prefabricated lotus root beam, 9a-edge prefabricated lotus root beam, 91a-stirrup, 9b-middle prefabricated lotus root beam, 10-prefabricated foundation beam, 14a-seat slurry, 14b-seat slurry. DETAILED DESCRIPTION

[0068] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0069] The terms such as "front", "back", "left", "right", "inside", "outside", "middle", etc. cited in this specification are only for the convenience of description and are not intended to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0070] like Figures 1 to 3As shown together, a concrete fully assembled dry structure connection system includes three pairs of prefabricated independent foundations 1 arranged at intervals, that is, in this embodiment, there are six prefabricated independent foundations 1. Of course, the prefabricated independent foundations 1 can also be other even numbers. A lower prefabricated lotus root beam 2 is installed between each pair of prefabricated independent foundations 1, and a lower prefabricated foundation beam 3 is installed between two adjacent lower prefabricated lotus root beams 2. Each prefabricated independent foundation 1 is installed with a prefabricated column 4 above the lower prefabricated lotus root beam 2, and an upper prefabricated lotus root beam 9 is installed between the tops of each pair of prefabricated columns 4. An upper prefabricated foundation beam 10 is installed between two adjacent upper prefabricated lotus root beams 9, and a prefabricated floor slab 5 is installed above the upper prefabricated lotus root beam 9 at the tops of two adjacent pairs of prefabricated columns 4.

[0071] like Figure 4a and Figure 4b As shown together, eight foundation dowel bars 13 are pre-embedded on the prefabricated independent foundation 1. Specifically, the prefabricated independent foundation 1 includes a square foundation base plate 11 and a boss 12 located in the upper middle part of the foundation base plate 11, and the eight foundation dowel bars 13 extend out of the upper surface of the boss 12.

[0072] like Figure 5a , Figure 5b and Figure 5c As shown in common, a grouting sleeve 41 corresponding to the foundation dowel 13 is provided at the bottom of the prefabricated column 4, and grouting material can be poured into the grouting sleeve 41; eight prefabricated column dowels 42 are pre-buried at the top of the prefabricated column 4.

[0073] It should be noted that the number of foundation dowel bars 13 and prefabricated column dowel bars 42 is not limited to eight, and those skilled in the art may select them according to actual conditions, which will not be elaborated here.

[0074] The structures of the prefabricated lotus root beam 9 at the upper part and the prefabricated lotus root beam 2 at the lower part are basically the same, and the structures of the prefabricated foundation beam 10 at the upper part and the prefabricated foundation beam 3 at the lower part are also basically the same. The following is an introduction taking the prefabricated lotus root beam 2 and the prefabricated foundation beam 3 at the lower part as examples.

[0075] Combination Figure 2 When the prefabricated lotus root beam 2 is a prefabricated lotus root beam 2a at the edge, Figure 6 , Figure 7a-7e and Figure 8a-8d As shown in common, the edge prefabricated lotus root beams 2a all have a column section 21a, one side of the column section 21a is provided with a first supporting portion 22a extending along the width direction of the edge prefabricated lotus root beam 2a, the bottom surface of the first supporting portion 22a is provided with a first embedded plate 23a, and the top surface of the column section 21a corresponding to the first supporting portion 22a is provided with a second embedded plate 24a.

[0076] The ends of the prefabricated foundation beam 3 are each provided with a first lap joint 31 which cooperates with the first supporting portion 22a and extends along the length direction of the prefabricated foundation beam 3. A third embedded plate 32 is provided on the top surface of the first lap joint 31, and a fourth embedded plate 33 is provided on the bottom surface of the end of the prefabricated foundation beam 3.

[0077] The first connecting plate 61 is fixedly connected between the first embedded plate 23a and the fourth embedded plate 33, and the second connecting plate 62 is fixedly connected between the second embedded plate 24a and the third embedded plate 32. It should be noted that the first embedded plate 23a, the second embedded plate 24a, the third embedded plate 32, the fourth embedded plate 33, the first connecting plate 61 and the second connecting plate 62 are all embedded steel plates. Of course, other materials commonly used in the art can be selected. In the present embodiment, preferably, the first connecting plate 61 is welded with the first embedded plate 23a and the fourth embedded plate 33, and the second connecting plate 62 is welded with the second embedded plate 24a and the third embedded plate 32. The connection is made by welding process, which is easy to implement. Of course, bolts and other methods can also be used for connection, which will not be repeated here.

[0078] In order to make the connection between the prefabricated foundation beam 3 and the edge prefabricated lotus root beam 2a more reliable, grouting material 7 is poured into the gap between the column section 21a and the first overlapping part 31 and the gap between the first supporting part 22a and the end of the prefabricated foundation beam 3.

[0079] In order to save space, grooves are provided on the bottom surface of the first supporting portion 22a, the top surface of the column section 21a on the side corresponding to the first supporting portion 22a, the top surface of the first lap joint 31 and the bottom surface of the end of the prefabricated foundation beam 3, and the first embedded plate 23a, the second embedded plate 24a, the third embedded plate 32 and the fourth embedded plate 33 are respectively located in the corresponding grooves; the first connecting plate 61 is located in the groove where the first embedded plate 23a and the fourth embedded plate 33 are located, and the second connecting plate 62 is located in the groove where the second embedded plate 24a and the third embedded plate 32 are located.

[0080] In order to prevent the first supporting portion 22a and the first overlapping portion 31 from being damaged during assembly, fifth embedded plates 8a and 8b are respectively provided on the contacting surfaces of the first supporting portion 22a and the first overlapping portion 31. Thus, when the first supporting portion 22a and the first overlapping portion 31 are in contact, the fifth embedded plates 8a and 8b can protect the contacting surfaces.

[0081] When the prefabricated foundation beam 3 is connected with the prefabricated lotus root beam 2a at the edge, the first overlapping portion 31 of the prefabricated foundation beam 3 is overlapped on the first supporting portion 22a of the prefabricated lotus root beam 2a at the edge, and the first embedded plate 23a and the fourth embedded plate 33 are aligned, and the second embedded plate 24a and the third embedded plate 32 are aligned, and then the first connecting plate 61 is used to weld the first embedded plate 23a and the fourth embedded plate 33 together, and the second connecting plate 62 is used to weld the second embedded plate 24a and the third embedded plate 32 together, so as to realize the connection between the prefabricated foundation beam 3 and the prefabricated lotus root beam 2a at the edge.

[0082] Combination Figure 2 , when the prefabricated lotus root beam 2 is the middle prefabricated lotus root beam 2b, as Fig. 9 , Figure 10a-Figure 10e As shown together, both sides of the column section 21b of the middle prefabricated lotus root beam 2b are provided with first supporting parts 22b extending along the width direction of the middle prefabricated lotus root beam 2b, the bottom surfaces of the two first supporting parts 22b are provided with first embedded plates 23b, and the top surfaces of the column sections 21b on the sides corresponding to the first supporting parts 22b are provided with second embedded plates 24b.

[0083] like Figure 7c , Figure 7e , Fig.10c and Fig.10e As shown together, the column section 21a of the edge prefabricated lotus root beam 2a is provided with a first through hole 25a for the foundation dowel 13 to pass through, and the column section 21b of the middle prefabricated lotus root beam 2b is provided with a first through hole 25b for the foundation dowel 13 to pass through.

[0084] like Figure 3 As shown, the column section of the upper prefabricated lotus root beam 9 is provided with a second through hole for the prefabricated column dowel 42 to pass through. Figure 3 and Fig.11 In this embodiment, stirrups 91a are also provided on the upper surface of the beam body section on the upper edge prefabricated lotus root beam 9a. Of course, stirrups can also be provided on the upper surface of the beam body section of the middle prefabricated lotus root beam 9b and / or the prefabricated foundation beam 10 as needed.

[0085] like Figure 3 As shown, in this embodiment, there are six prefabricated floor slabs 5, including four first prefabricated floor slabs 51 and two second prefabricated floor slabs 52. The four first prefabricated floor slabs 51 are located at four corners, and the two second prefabricated floor slabs 52 are located between two adjacent first prefabricated floor slabs 51. Of course, the number of prefabricated floor slabs 5 is not limited to six, and those skilled in the art can select according to actual conditions. The following is an example of one first prefabricated floor slab 51 and one second prefabricated floor slab 52. Fig.12 , Fig.13a, Fig.13b Figure 13c Fig.14a and Fig.14b As shown together, the first prefabricated floor 51 is an edge floor, and a second supporting portion 511 protruding outward is provided on one side of the first prefabricated floor 51. Of course, in other embodiments, when the first prefabricated floor is an intermediate floor, the second supporting portion is provided on both sides of the first prefabricated floor. The upper surface of the second supporting portion 511 is provided with a receiving groove 512 for accommodating the waterproof rubber strip 53. In this embodiment, the receiving groove 512 is an inverted trapezoidal groove, and the receiving groove 512 extends along the length direction of the second supporting portion 511. Of course, the receiving groove 512 can also be selected from other shapes that can be realized by technicians in this field, such as a rectangle, etc.; The second prefabricated floor 52 is provided with a second lap joint 521 that matches the second supporting portion 511, and the gap between the second lap joint 521 and the first prefabricated floor 51 is sealed with mortar 54, and the width of the gap is about 10mm.

[0086] The second supporting portion 511 is integrally cast with the first prefabricated floor slab 51 , and the second overlapping portion 521 is integrally cast with the second prefabricated floor slab 52 .

[0087] When connecting the first prefabricated floor 51 and the second prefabricated floor 52, the waterproof strip 53 is placed in the receiving groove 512, and then the second overlapping portion 521 of the second prefabricated floor 52 is overlapped on the second supporting portion 511 of the first prefabricated floor 51, and the mortar 54 is used to seal the gap between the second overlapping portion 521a and the first prefabricated floor 51.

[0088] like Fig.13a As shown, the first prefabricated floor slab 51 is provided with a reserved hole 513 that matches the prefabricated column dowel 42. Fig.13a and Fig.14a The first prefabricated floor 51 and the second prefabricated floor 52 are respectively provided with stirrup receiving holes 514 and 522 which match the stirrup 91a. Figure 3 and Fig.17 The slurry 58 can be poured into the stirrup receiving holes 514 and 522.

[0089] In order to make the connection between the first prefabricated floor slab and the second prefabricated floor slab more reliable, as an alternative, this embodiment also provides another connection structure of the first prefabricated floor slab 51a and the second prefabricated floor slab 52a, such as Fig.15 , Fig.16a , Fig.16b and Fig.16cAs shown together, a bolt 56 is pre-embedded on the second supporting portion 511a, and a bolt hole 5211a corresponding to the bolt 56 is opened on the second overlapping portion 521a. The bolt 56 passes through the bolt hole 5211a and is threadedly connected with a nut 57. The number of bolts 56 can be designed to be several, and they are distributed at intervals along the length direction of the second supporting portion 511a. Those skilled in the art can select the specific number of bolts 56 as needed, which will not be repeated here.

[0090] In this way, when the second overlapping portion 521a is matched with the second supporting portion 511a, the bolt 56 is matched with the bolt hole 5211a, and the nut 57 is fixed on the protruding end of the bolt 56, so that the connection between the first prefabricated floor 51a and the second prefabricated floor 52a is more reliable.

[0091] In order to save space, an operating opening 5212a is opened on the second overlapping portion 521a at the bolt hole 5211a, and the protruding end of the bolt 56 is located in the operating opening 5212a. The operating opening 5212a is square. Of course, the operating opening 5212a can also adopt other shapes, such as round, etc., which will not be repeated here.

[0092] The two components are prefabricated and in direct contact. The contact surface is not necessarily flat, and there is inevitably some gap. When subjected to external force, they collide with each other and easily generate noise. In order to solve this problem, Figure 1 As shown, a seat slurry 14a is provided between the lower prefabricated lotus root beam 2 and the prefabricated independent foundation 1 and the prefabricated column 4; a seat slurry 14b is provided between the upper prefabricated lotus root beam 9 and the prefabricated column 4 and the prefabricated floor slab 5. The seat slurries 14a and 14b can fill the gaps between the prefabricated components.

[0093] During construction, locate the position of the prefabricated independent foundation 1, insert the column section of the lower prefabricated lotus root beam 2 on the foundation dowel 13, install the lower prefabricated foundation beam 3, and realize the connection between the lower prefabricated lotus root beam 2 and the prefabricated foundation beam 3; make the grouting sleeve 41 at the bottom of the prefabricated column 4 cooperate with the foundation dowel 13, and then pour the grouting material to realize the connection between the prefabricated independent foundation 1, the prefabricated lotus root beam 2 and the prefabricated column 4; insert the column section of the upper prefabricated lotus root beam 9 on the prefabricated column dowel 42, install the upper prefabricated foundation beam 10, and realize the connection between the upper prefabricated lotus root beam 9 and the prefabricated foundation beam 10; make the reserved hole 513 on the first prefabricated floor slab 51 cooperate with the prefabricated column dowel 42, and at the same time make the stirrup accommodating hole 514 of the first prefabricated floor slab 51 cooperate with the stirrup 91a of the edge prefabricated foundation beam 9a, so as to realize the prefabricated column 4, the upper prefabricated lotus root beam 9 and the first prefabricated floor slab 51 and the first prefabricated floor 51 is connected to the edge prefabricated foundation beam 9a; the stirrup accommodating holes 522 on the second prefabricated floor 52 are matched with the stirrups 91a of the edge prefabricated foundation beam 9a, and connected to the first floor 9; slurry 58 is poured into the stirrup accommodating holes 514 and 522 to achieve a reliable connection between the prefabricated floor 5 and the edge prefabricated foundation beam 9a.

[0094] The concrete fully assembled dry structure connection system provided by the embodiment of the present invention does not need to tie steel bars on site, is easy to construct, has high connection reliability, and has high connection efficiency.

[0095] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made on the basis of the present invention. Therefore, these modifications or improvements made on the basis of not departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. The concrete fully assembled dry structure connection system is characterized by: It comprises a plurality of pairs of prefabricated independent foundations arranged at intervals, wherein a lower prefabricated lotus root beam is installed between each pair of the prefabricated independent foundations, a lower prefabricated foundation beam is installed between two adjacent lower prefabricated lotus root beams, each prefabricated independent foundation is installed with a prefabricated column located above the lower prefabricated lotus root beam, an upper prefabricated lotus root beam is installed between the tops of each pair of the prefabricated columns, an upper prefabricated foundation beam is installed between two adjacent upper prefabricated lotus root beams, and a prefabricated floor slab is installed above the upper prefabricated lotus root beams at the tops of two adjacent pairs of the prefabricated columns; The prefabricated lotus root beams located at the upper and lower parts both have a column section, at least one side of the column section is provided with a first supporting portion extending along the width direction of the prefabricated lotus root beam, the bottom surface of the first supporting portion is provided with a first embedded plate, and the top surface of the column section on the side corresponding to the first supporting portion is provided with a second embedded plate; the ends of the prefabricated foundation beams located at the upper and lower parts are both provided with a first lap joint portion extending along the length direction of the prefabricated foundation beam and cooperating with the first supporting portion, a third embedded plate is provided on the top surface of the first lap joint portion, and a fourth embedded plate is provided on the bottom surface of the ends of the prefabricated foundation beams located at the upper and lower parts; a first connecting plate is fixedly connected between the first embedded plate and the fourth embedded plate, and a second connecting plate is fixedly connected between the second embedded plate and the third embedded plate.

2. The concrete fully assembled dry structure connection system according to claim 1 is characterized in that: Grouting material is poured into the gap between the column shaft section and the first overlapping portion, and into the gap between the first supporting portion and the end of the prefabricated foundation beam.

3. The concrete fully assembled dry structure connection system according to claim 1 is characterized in that: Grooves are provided on the bottom surface of the first supporting part, the top surface of the column section on the side corresponding to the first supporting part, the top surface of the first overlapping part and the bottom surface of the end of the prefabricated foundation beam, and the first embedded plate, the second embedded plate, the third embedded plate and the fourth embedded plate are respectively located in the corresponding grooves; the first connecting plate is located in the groove where the first embedded plate and the fourth embedded plate are located, and the second connecting plate is located in the groove where the second embedded plate and the third embedded plate are located.

4. The concrete fully assembled dry structure connection system according to claim 1, characterized in that: The surfaces where the first supporting portion and the first overlapping portion contact each other are respectively provided with fifth embedded plates.

5. The concrete fully assembled dry structure connection system according to claim 1, characterized in that: The prefabricated floor slab comprises a first prefabricated floor slab and a second prefabricated floor slab, at least one side of the first prefabricated floor slab is provided with a second supporting portion protruding outward, the upper surface of the second supporting portion is provided with a receiving groove for accommodating a water stop rubber strip, and the receiving groove extends along the length direction of the second supporting portion; a second overlapping portion cooperating with the second supporting portion is provided on the second prefabricated floor slab, and a mortar is sealed in the gap between the second overlapping portion and the first prefabricated floor slab.

6. The concrete fully assembled dry structure connection system according to claim 5, characterized in that: A plurality of bolts are pre-embedded on the second supporting part, and bolt holes corresponding to the bolts are opened on the second overlapping part. The bolts pass through the bolt holes and are threadedly connected with nuts; an operating opening is opened on the second overlapping part at the bolt hole, and the protruding end of the bolt is located in the operating opening.

7. The concrete fully assembled dry structure connection system according to claim 1, characterized in that: The beam body section of the prefabricated lotus root beam located at the upper part and / or the upper surface of the prefabricated foundation beam are provided with stirrups, and stirrup accommodating holes matching with the stirrups are opened on the prefabricated floor slab, and slurry is poured in the stirrup accommodating holes.

8. The concrete fully assembled dry structure connection system according to claim 1, characterized in that: A plurality of foundation dowel bars are embedded in the prefabricated independent foundation, a first through hole for the foundation dowel bars to pass through is provided on the column body section of the lower prefabricated lotus root beam, a grouting sleeve corresponding to the foundation dowel bars is provided at the bottom of the prefabricated column, and grouting material is poured into the grouting sleeve.

9. The concrete fully assembled dry structure connection system according to claim 1, characterized in that: A plurality of prefabricated column dowels are embedded in the top of the prefabricated column, a second through hole for the prefabricated column dowels to pass through is opened on the column body section of the upper prefabricated lotus root beam, and a reserved hole matching with the prefabricated column dowels is opened on the prefabricated floor slab.

10. The concrete fully assembled dry structure connection system according to any one of claims 1 to 9, characterized in that: Seat mortar is provided between the prefabricated lotus root beam at the lower part and the prefabricated independent foundation and the prefabricated column; seat mortar is provided between the prefabricated lotus root beam at the upper part and the prefabricated column and the prefabricated floor slab.

Images