WO2021109281A1 - 装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组 - Google Patents
装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组 Download PDFInfo
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- WO2021109281A1 WO2021109281A1 PCT/CN2019/127390 CN2019127390W WO2021109281A1 WO 2021109281 A1 WO2021109281 A1 WO 2021109281A1 CN 2019127390 W CN2019127390 W CN 2019127390W WO 2021109281 A1 WO2021109281 A1 WO 2021109281A1
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- Prior art keywords
- block
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- wall structure
- walls
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- 239000004567 concrete Substances 0.000 title claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004570 mortar (masonry) Substances 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
- E04B2/16—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position
- E04B2/20—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position by filling material with or without reinforcements in small channels in, or in grooves between, the elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/42—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities
- E04B2/44—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities using elements having specially-designed means for stabilising the position; Spacers for cavity walls
- E04B2/48—Walls having cavities between, as well as in, the elements; Walls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities using elements having specially-designed means for stabilising the position; Spacers for cavity walls by filling material with or without reinforcements in small channels in, or in grooves between, the elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
Definitions
- the utility model relates to a special building block product group for a novel assembled reinforced block masonry wall structure in the field of civil engineering, belonging to the technical field of building blocks.
- Reinforced block masonry wall is based on traditional brick masonry wall technology, through factory-produced concrete hollow blocks, equipped with vertical and horizontal horizontal steel bars, pouring concrete to fill the holes according to engineering needs, and bearing the vertical and horizontal loads of the building New structural system.
- the main material of reinforced block masonry structure-small concrete hollow block is an industrialized product made of dry hard concrete. It has load-bearing capacity and can also be combined with steel bars and perforated concrete to form reinforced block masonry.
- the body wall bears the force together.
- the product must provide a channel for steel and concrete to ensure that the steel and concrete can be arranged in the hollow block wall as required and ensure horizontal and vertical penetration, which puts forward special requirements for concrete blocks.
- Assembly production has a certain share in the construction market due to its fast construction speed, low cost, and easy quality control.
- it emerged from the large-scale restorative construction in various countries after World War II; in China, it had more applications before the 1990s.
- it is mainly used for steel structure, wood structure and reinforced concrete structure.
- In the masonry structure there are few applications; currently in foreign countries, there are also partial assembly construction applications in hollow blocks, and there is currently no application in reinforced block masonry structures.
- the automated production of wall pieces will be a key factor reflecting the level of industrialization, and the fewer types of blocks will greatly reduce the difficulty of automated masonry, improve production efficiency, and minimize the number of blocks.
- the type is the requirement of automated masonry.
- Modular products with the basic dimensions of 390mm, 290mm, and 190mm in appearance, forming a staggered masonry structure after assembly;
- a high porosity ratio (above 90%) can be achieved to ensure the overall performance of the reinforced block masonry wall.
- the difference between the above two block types is not big, but in the reinforced block masonry structure, the small cavity formed at the end face of the former cannot guarantee that the concrete soil can be filled and vibrated. Compact, because the vibrator cannot enter the space. In this way, this cavity exists to a greater extent in the final wall, which weakens the performance of the entire structure.
- the blocks need to be modified.
- the current practice is to slot the block walls and ribs.
- various shapes of walls such as in-line, L-shaped, T-shaped, etc., there are often no less
- block types shown in Figure 2 below generally at least 9 block types are required.
- the current block type satisfies the requirements of assembly, that is, blocks with basic sizes of 390mm, 290mm and 190mm meet the current large-volume and wide-area block building construction needs.
- This block type meets the construction height of reinforced masonry not exceeding 60m. For block masonry buildings, this height is also the scope of application defined by the current "Code for Design of Masonry Structures".
- the block type can meet the porosity of more than 90%; the second is to reduce the block type as much as possible to facilitate the use of workers and machine masonry.
- the third is to provide large holes as much as possible on the premise of ensuring the performance of the block to facilitate the operation of filling and penetrating the reinforcement; the fourth is that there is a corresponding reasonable process to ensure the construction quality after the block type is changed.
- the utility model solves the problem of the above prior art because concrete blocks cannot be cut at will during use, and workers still have inconveniences when operating the above 9 block types. If machines are used for automated masonry, there will be many types of block types. The problem of greatly reducing the efficiency of the machine, a product group of concrete hollow blocks special for fabricated reinforced block masonry wall structures is proposed, which reduces the block type.
- the utility model proposes a special concrete hollow block product group for assembled reinforced block masonry wall structure, including No. 1 block, No. 2 block, No. 3 block and No. 4 block; said No. 1 block Surrounding walls form a hollow block that penetrates up and down, and one of the walls has a groove in the middle of the top; the second block is surrounded by walls on both sides and front and back ribs to form a hollow block that penetrates up and down.
- the same groove is opened at the top middle position of the front and rear ribs, and the height of the part where the ribs extend in the same direction on both sides is lower than that of the unextended part; the No.
- the 3 block consists of the walls on both sides and The front, middle and back three ribs enclose a hollow block that penetrates up and down.
- the middle rib divides the block into two spaces.
- the top and middle positions of the front, middle and back ribs have the same groove, and the space where the middle and back two ribs are located.
- the same groove is opened in the top middle of the walls on both sides; the No. 4 block is surrounded by the walls on both sides and three front, middle and back ribs to form a hollow block that penetrates up and down, and the middle rib divides the block into two spaces ,
- the same groove is opened at the top middle position of the three front, middle and rear ribs.
- the No. 1 block has a length of 190mm, a width of 190mm, and a height of 190mm.
- the second block has a length of 290mm, a width of 190mm, and a height of 190mm.
- the No. 3 block has a length of 390mm, a width of 190mm, and a height of 190mm.
- the No. 4 block has a length of 390mm, a width of 190mm, and a height of 190mm.
- the wall thickness of the No. 1 block, No. 2 block, No. 3 block and No. 4 block is 28mm-32mm.
- the masonry porosity of the No. 1 block, No. 2 block, No. 3 block and No. 4 block is greater than or equal to 90%.
- the special hollow concrete block product group for fabricated reinforced block masonry wall structure of the present utility model realizes the modular configuration of 4 types of block types for the first time, meeting 1M modulus and 2M modulus (Note: 100mm or 200mm)
- 1M modulus and 2M modulus Note: 100mm or 200mm
- the special hollow concrete block product group for the fabricated reinforced block masonry wall structure is reasonably designed, and functional holes and grooves are reserved during production to meet the requirements for the configuration of longitudinal and transverse steel bars in the engineering wall. , Engineering requirements for pouring connected concrete;
- the special hollow concrete block product group for prefabricated reinforced block masonry wall structure of the present utility model cancels the standard block and cleaning hole block for the first time, and reduces the 9 kinds of block-shaped products to 4 types, 5 types of block types are reduced, laying a foundation for improving product production and engineering efficiency, greatly reducing costs, and providing a prerequisite for the development of fully automatic wall-building robots to replace traditional bricklayers' manual masonry work;
- the special hollow concrete block product group for the fabricated reinforced block masonry wall structure of the present utility model can achieve high strength and high porosity under the premise of high opposing porosity of ⁇ 90%, which reduces The project is difficult to improve the quality of the project.
- the special hollow concrete block product group for the fabricated reinforced block masonry wall structure adopts the "union" principle and replaces the less-slotted block with more slotted blocks. At the same time, it has excavated the necessity of the method in the process, and has solved the follow-up solution after the multi-opening, forming a complete process.
- One application of the multi-opening prominent is the quality inspection in the wall masonry construction. The other is the removal of excess masonry mortar.
- the block group provides a standardized building material product for the development of prefabricated reinforced block masonry shear wall structures suitable for high-rise buildings and the realization of automated robotic masonry. Its performance is significantly better than the national product standards and the current status of the industry is the realization of the industry Industrial product foundation for transformation, upgrading and leaping development.
- Figure 1 is a schematic diagram of the structure of common blocks mentioned in the background art
- FIG. 2 is a schematic diagram of the structure of nine block types in the prior art mentioned in the background art
- Figure 3 is a structural schematic diagram of the No. 1 block of the special concrete hollow block product group for the fabricated reinforced block masonry wall structure according to the utility model;
- Figure 4 is a structural schematic diagram of the No. 2 block of the special concrete hollow block product group for the fabricated reinforced block masonry wall structure according to the utility model;
- Figure 5 is a schematic diagram of the structure of the No. 3 block of the special concrete hollow block product group for the fabricated reinforced block masonry wall structure according to the utility model;
- Figure 6 is a structural schematic diagram of the No. 4 block of the special concrete hollow block product group for the fabricated reinforced block masonry wall structure according to the utility model;
- Figure 7 shows the product group of special concrete hollow blocks for prefabricated reinforced block masonry wall structure according to the utility model based on the block type design idea of high porosity; where a) represents the porosity of ordinary blocks, b ) Represents the porosity of the end ribbed block, and c) represents the porosity of the block type after reconstruction.
- Figure 8 is a schematic diagram of the essential principle of the reduction of the block type of the special concrete hollow block product group for the assembled reinforced block masonry wall structure according to the utility model;
- Figure 9 is a schematic diagram of the opening formed on the wall surface of the special concrete hollow block product group for the assembled reinforced block masonry wall structure of the utility model; a) is a schematic diagram of the opening at the corner of the T-shaped wall; b) is Schematic diagram of opening at the end of the wall;
- Specific implementation manner 1 This implementation manner is described with reference to Figs. 2-9.
- the product group of special concrete hollow blocks for fabricated reinforced block masonry wall structures described in this embodiment includes No. 1 block 1, No. 2 block 2, No. 3 block 3, and No. 4 block 4;
- the No. 1 block 1 is surrounded by surrounding walls into a hollow block that penetrates up and down, one of the walls is provided with a groove in the middle of the top;
- the No. 2 block 2 is surrounded by walls on both sides and front and rear ribs.
- Block 3 is surrounded by walls on both sides and three front, middle and back ribs to form a hollow block that penetrates up and down.
- the middle rib divides the block into two spaces.
- the top middle of the two front and middle ribs have the same groove in the middle.
- the same groove is opened at the top of the walls on both sides of the space where the two middle and rear ribs are located;
- the No. 4 block 4 is surrounded by the walls on both sides and the three front, middle and rear ribs to form a hollow block that penetrates up and down.
- the middle rib divides the block into two spaces, and the top middle positions of the front, middle and back three ribs are provided with the same groove.
- the No. 1 block 1 has a length of 190mm, a width of 190mm, and a height of 190mm.
- the second block 2 has a length of 290 mm, a width of 190 mm, and a height of 190 mm.
- the No. 3 block 3 has a length of 390mm, a width of 190mm, and a height of 190mm.
- the No. 4 block 4 has a length of 390 mm, a width of 190 mm, and a height of 190 mm.
- the wall thickness of the No. 1 block 1, the No. 2 block 2, the No. 3 block 3 and the No. 4 block 4 is 28mm-32mm.
- the block type series of the utility model is composed of 4 kinds of block types, that is, the number of block types is reduced to 4 kinds, and its use function is not affected.
- blocks with lengths of 390mm, 290mm, and 190mm grooves with specified directions and numbers are opened for the configuration of horizontal steel bars and pouring concrete.
- the utility model is based on the design of 190mm wide block, but the principle and method are not limited to this width, and it is also applicable to widths such as 240mm and 290mm.
- the 9 block types shown in Figure 2 are the necessary block types to meet the composition of various forms of wall pieces.
- the simplified method is to integrate blocks of the same length but with different channel numbers and directions:
- the 190mm long block namely Block No. 1, remains as it is.
- This block type is used at the end of the wall, so the channel at one end is sealed, and there is no need to pass the steel bar at this time.
- the three types of blocks with a length of 290mm are simplified to one type, namely the second block 2.
- This block type is not available in the original nine basic block types. That is to say, half-size channels are opened on the two walls of the half block, which can be used for bending the steel bars in two directions for use in T-shaped wall pieces. When it is used at the connecting column, the channel does not affect the setting of the connecting column.
- the 390mm long No. 3 block 3 has four channels, which are respectively on two ribs and two walls, which can be used at the corners of T-shaped walls or the corners of L-shaped walls.
- the high porosity is to ensure an effective vertical hole area to facilitate the installation of vertical steel bars and the pouring of concrete.
- the side rib corresponds to the middle rib of the lower skin block
- the width of the middle rib of the block should be as close as possible to the width of the two side ribs + the width of the mortar joint, so as to obtain the maximum porosity (theoretically, it is 100%).
- the block holes are required to have a certain taper for demoulding during block production, the size of the paving hole of the block is slightly smaller than the size of the set hole, and the actual porosity is not 100%.
- the block type was optimized. Based on the adjustment of the hole position and the guarantee of the cross-sectional area of the block, the block type was redesigned to make the width of the rib in the block and the two side ribs + The width of the gray seams is roughly the same.
- This block group can achieve a porosity of more than 90% after being assembled.
- the high porosity is to ensure that a more complete and continuous structure will be formed when steel bars are inserted into the vertical holes and concrete will be poured in the future, which fully reflects the safety of the structure. The key to wall performance.
- the wall thickness of the block is generally about 30mm, and the wall thickness of the mortar surface and the mortar surface are different. Generally speaking, it can be calculated as 30mm. It can not only ensure larger holes, but also ensure the mechanical properties of the block itself, which is too small. The wall thickness will reduce the bearing capacity of the block, and it will also cause serious damage to the block during use.
- Block 2 as shown in Figure 8 summarizes the two original symmetrical block types into a new block type.
- the block type also has the channels required by the two replaced blocks to ensure the passage of steel bars and concrete.
- the special concrete hollow block product group for the assembled reinforced block masonry wall structure adopts the principle of "union” and reduces the block type by replacing the less-slotted block with more slotted blocks. At the same time, it excavated the necessity of the method in the process, and solved the follow-up solution after the multiple openings, and formed a perfect process.
- One application of the protruding multiple openings is the quality inspection in the wall masonry construction, and the other It is the removal of excess masonry mortar.
- an opening When used in a wall, an opening will be formed in the wall, as shown in Figure 9. These openings are not required for the structure, but can be used as inspection ports during the production of the wall, to check whether the wall is made (masonry) is dropped into and bonded with excess mortar, which is harmful to the bearing capacity of the structure , It will also affect the pouring of concrete.
- the inspection port can also check the number and position of the steel bars. Before pouring concrete into the wall, these openings need to be sealed, and the sealing is reliable, so as not to cause concrete leakage when the concrete is poured.
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Abstract
Description
Claims (7)
- 一种装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组,其特征在于,包括一号砌块(1)、二号砌块(2)、三号砌块(3)和四号砌块(4);所述一号砌块(1)由四周的壁围成上下贯通的空心砌块,其中一个壁的顶部中间设置有凹槽;所述二号砌块(2)由两侧的壁和前后的肋围成上下贯通的空心砌块,所述前后的肋的顶部中间位置开有相同的凹槽,所述两侧的壁向同一方向延伸出肋的部分的高度低于未延伸出的部分;所述三号砌块(3)由两侧的壁和前中后三条肋围成上下贯通的空心砌块,中间的肋将砌块分成两个空间,其中前中两条肋的顶部中间位置开有相同的凹槽,中后两条肋所在的空间两侧的壁的顶部中间开有相同的凹槽;所述四号砌块(4)由两侧的壁和前中后三条肋围成上下贯通的空心砌块,中间的肋将砌块分成两个空间,所述前中后三条肋的顶部中间位置开有相同的凹槽;所述一号砌块(1)、二号砌块(2)、三号砌块(3)和四号砌块(4)采用错缝砌筑,位于上方砌块的中肋对应下方砌块的两个边肋,上方砌块的两个边肋对应下方砌块的中肋,两个相邻砌块之间有10mm宽的灰缝,砌块中肋的宽度等于两个边肋宽度+灰缝宽度,以便获得大的对孔率;所述一号砌块(1)、二号砌块(2)、三号砌块(3)和四号砌块(4)在砌筑时凹槽会形成开口,所述开口用作检查墙片在砌筑时是否落入、粘结了多余砂浆,或者用作检查钢筋的布置数量、位置,在灌注墙体的混凝土之前,将这些开口封堵,以免灌注混凝土时造成混凝土漏出。
- 根据权利要求1所述的装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组,其特征在于,所述一号砌块(1)长为190mm,宽为190mm,高为190mm。
- 根据权利要求1所述的装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组,其特征在于,所述二号砌块(2)长为290mm,宽为190mm,高为190mm。
- 根据权利要求1所述的装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组,其特征在于,所述三号砌块(3)长为390mm,宽为190mm,高为190mm。
- 根据权利要求1所述的装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组,其特征在于,所述四号砌块(4)长为390mm,宽为190mm,高为190mm。
- 根据权利要求1所述的装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组,其特征在于,所述一号砌块(1)、二号砌块(2)、三号砌块(3)和四号砌块(4)的壁厚为28mm-32mm。
- 根据权利要求1所述的装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组,其特征在于,所述一号砌块(1)、二号砌块(2)、三号砌块(3)和四号砌块(4)的咬槎砌筑对孔率≥90%。
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CN201911234256.8A CN110847477A (zh) | 2019-12-05 | 2019-12-05 | 装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组 |
CN201922158057.5U CN211548336U (zh) | 2019-12-05 | 2019-12-05 | 装配式配筋砌块砌体墙结构专用混凝土空心砌块产品组 |
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CN103362242A (zh) * | 2012-03-31 | 2013-10-23 | 黑龙江建工建筑设计研究院有限公司 | 配筋砌块砌体专用混凝土小型空心砌块系梁块组 |
CN203891251U (zh) * | 2014-03-19 | 2014-10-22 | 株洲博尔曼科技发展有限公司 | 一种单排孔自保温配筋砌块砌体剪力墙体系 |
CN104453063A (zh) * | 2014-06-18 | 2015-03-25 | 段炼山 | 一种空心砌块 |
CN104712095A (zh) * | 2015-03-13 | 2015-06-17 | 山东建筑大学 | 一种装配式砌块、装配式砌块墙体及墙体的施工方法 |
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