CN109057078B - Method for 3D printing of building heat-preservation sound-insulation wall - Google Patents
Method for 3D printing of building heat-preservation sound-insulation wall Download PDFInfo
- Publication number
- CN109057078B CN109057078B CN201811038003.9A CN201811038003A CN109057078B CN 109057078 B CN109057078 B CN 109057078B CN 201811038003 A CN201811038003 A CN 201811038003A CN 109057078 B CN109057078 B CN 109057078B
- Authority
- CN
- China
- Prior art keywords
- printing
- wall
- concrete
- sound
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010146 3D printing Methods 0.000 title claims abstract description 71
- 238000009413 insulation Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000004321 preservation Methods 0.000 title claims abstract description 30
- 239000004567 concrete Substances 0.000 claims abstract description 78
- 238000007639 printing Methods 0.000 claims abstract description 75
- 238000010276 construction Methods 0.000 claims abstract description 42
- 238000013461 design Methods 0.000 claims abstract description 23
- 238000011049 filling Methods 0.000 claims abstract description 17
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 238000011056 performance test Methods 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000012795 verification Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 30
- 239000011229 interlayer Substances 0.000 claims description 27
- 238000001125 extrusion Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 13
- 238000010586 diagram Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 9
- 239000011707 mineral Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000005336 cracking Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 239000011398 Portland cement Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000010881 fly ash Substances 0.000 claims description 3
- 238000011990 functional testing Methods 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 229920002748 Basalt fiber Polymers 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 229910021487 silica fume Inorganic materials 0.000 claims description 2
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 230000001186 cumulative effect Effects 0.000 claims 1
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000005034 decoration Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- -1 etc.) Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011455 calcium-silicate brick Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011456 concrete brick Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000011470 perforated brick Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B1/3505—Extraordinary methods of construction, e.g. lift-slab, jack-block characterised by the in situ moulding of large parts of a structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/88—Insulating elements for both heat and sound
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
- E04G21/0463—Devices for both conveying and distributing with distribution hose with booms with boom control mechanisms, e.g. to automate concrete distribution
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Producing Shaped Articles From Materials (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses a method for 3D printing of a building heat-preservation and sound-insulation wall, and belongs to the new technical field of building 3D concrete printing. The method comprises the following steps: 3D printing wall scheme design and path determination; preparing a 3D printing concrete raw material; 3D printing concrete proportion verification and performance test; debugging the 3D printed concrete sample plate and determining operation parameters; 3D printing construction; constructing a heat-preservation sound-insulation filling body; 3D printing heat preservation sound insulation wall quality inspection. The method for 3D printing of the heat-insulating and sound-insulating wall of the building, provided by the invention, can simultaneously meet the multifunctional requirements of space separation, heat insulation, energy conservation, sound insulation, environmental protection, decoration integration and digital control of the building wall, can meet the construction of a wall with a complicated cross section, a non-modular wall, a multi-section line wall, a curved wall and a wall with a cave mouth, and has the technical advantages of high industrialization degree, high construction accuracy and remarkable environmental and ecological benefits.
Description
Technical Field
The invention belongs to the field of 3D concrete printing new technology and new materials, and particularly relates to a method for printing a building heat-insulating sound-insulating wall body by using 3D concrete.
Background
3D prints as a rapid prototyping technique, relates to many disciplines such as machinery, electron, chip, information technology, material science, precision machinery. The technology is mainly characterized in that products with various shapes can be manufactured and produced by reasonably selecting materials according to calculation numerical simulation. 3D prints and not only can improve material utilization, can also more high-efficient manufacturing is more complicated product. The most prominent advantage of the 3D printing technology is that the required component product can be generated directly from the calculated simulation pattern without machining or any mold, which is very beneficial to improving productivity and reducing production cost, and has higher printing precision. The 3D printing material is classified according to chemical properties and can be classified into polymer materials (such as resin, paraffin, etc.), metal materials (such as aluminum, titanium alloy), inorganic non-metal materials (such as gypsum, ceramic, etc.), and composite materials thereof. At present, the development of cement-based materials or 3D printing concrete is still in the primary stage of research and development, and reports or new research of engineering application are not yet common.
In a building structure, a structural system is a bearing system which comprises a frame structure, a shear wall structure, a frame-shear wall structure, a barrel structure and the like, a concrete structure bearing system or a steel structure bearing system is mostly adopted in engineering, and walls built in the later period of the building are mostly adopted for separation, enclosure, interval separation and the like among building bearing members. According to masonry structure design specifications and masonry structure engineering construction quality acceptance specifications (GB 50203), the masonry wall is mostly made of a non-reinforced masonry structure or a small amount of reinforced masonry and is built by building blocks and mortar. The adopted building blocks comprise one or more of sintered bricks, sintered perforated bricks, autoclaved sand-lime bricks, concrete building blocks and concrete bricks, and the mortar is masonry mortar. The auxiliary device also comprises wall beams, ring beams and other members. The non-bearing component of the masonry unit is a secondary structure in a building structure, the construction process is large in quantity and wide in range, a large amount of labor force is needed for masonry workers, plasterers, scaffolders, small workers and the like, the working strength is high, the working period is long, pollution and waste are more, and the technical updating and progress requirements of building industrialization and green construction are not facilitated. Particularly, when the traditional building wall needs to meet the multifunctional requirements of heat preservation and sound insulation, a building and heat preservation method and a sound insulation method are generally adopted, so that the cost and the working procedure time are increased, and the space utilization rate and the material loss rate are very high.
Disclosure of Invention
In view of the above, the technical problem to be solved by the invention is to provide a method for 3D printing of a heat-insulating and sound-insulating wall of a building, which not only meets the multifunctional requirements of wall separation function, heat insulation, energy conservation, sound insulation, vibration reduction and green construction, but also is economical, convenient, efficient in construction and more reliable in structure and member bonding and tie.
In order to achieve the purpose of the invention, the invention discloses a method for 3D printing of a heat-preservation and sound-insulation wall of a building, which comprises the following steps.
The method comprises the following steps: the 3D printing wall scheme design and path determination are carried out, the 3D printing category is divided by combining a building, a structure, water and electricity and a facility construction drawing, a model is built through BIM information, the printing path drawing is determined, and the 3D printing operation technical scheme is formulated.
Step two: preparing 3D printing concrete raw materials, and preparing aggregate, mineral admixture, additive type and mixing amount, fiber type and mixing amount, cementing material and water required by 3D printing.
Step three: 3D printing concrete proportion verification and performance test, the 3D printing concrete configuration should satisfy the requirements of operation performance, mechanical property and durability. The operation performance of the composite material meets the comprehensive performance requirements of fluidity, extrudability, self-stability and printability, and the performance test indexes meet the requirements of construction molding and continuous operation.
Step four: debugging and operation parameter determination of a 3D printed concrete sample plate, 3D printed concrete with performance test meeting requirements, implementing printing operation of a given path by combining an operation diagram, and determining operation parameters and process parameters of 3D printed concrete initial setting time, interlayer intermission time, extrusion speed, walking speed, stacking thickness and path deviation of the 3D printed concrete.
Step five: and 3D printing construction, combining trial printing and sample plate debugging results, adopting an extrusion superposition process according to a 3D printing operation scheme and a path diagram, printing layer by layer, continuously operating, and meeting the requirements of the interlayer intermittent time and the interlayer accumulated superposition thickness. The interlayer overlapping time interval is advanced by more than 5min compared with the initial setting time of the 3D printed concrete. The maximum length of the layered printing path does not exceed the accumulated values of the walking speed and the inter-layer pause time. The structural form of the printing section adopts a combined form of double-layer outer walls and internal supports, the printing section is in a multi-cavity separation form, and the walking track can be in a straight-line shape, a W-shaped, an M-shaped, an S-shaped, an 8-shaped, a Z-shaped or a combined form thereof.
Step six: and (3) constructing a heat-preservation sound-insulation filling body, namely, constructing a multi-cavity continuous partition wall formed by layers, filling heat-preservation sound-insulation slurry into an internal cavity, and forming a heat-preservation sound-insulation partition wall system together with a wall framework formed by 3D printing.
And seventhly, performing 3D printing quality inspection on the heat-preservation and sound-insulation wall, wherein the quality inspection comprises the content of the wall in aspects of appearance quality, entity quality and function test. The appearance quality comprises the defects of the verticality, the thickness and the flatness of the wall body, debonding, cracking and continuity. The physical quality test includes mechanical properties of 3D printed concrete under anisotropic conditions. The functional test comprises index requirements on the thermal insulation performance and the acoustic performance of the material.
Furthermore, in the step (1), the 3D printing wall scheme design and the path determination are performed, and the wall scheme design includes the strength, length and height of the wall, the connection mode with surrounding member columns, walls and beams, the cross-sectional structure composition form of the wall, the wall outer wall thickness, the wall inner support thickness and the wall inner filling body type. The path determination of the wall body comprises the path length of single-layer wall body printing, the path track and the path form of the wall body, the layered thickness of the wall body and an extrusion and superposition mode.
Further, the step (2) 3D printing concrete raw material preparation, wherein the aggregate comprises one or more of sand and stone aggregate, and the particle size of the aggregate is not more than 10 mm; the mineral admixture can be compounded or mixed by one or more of fly ash, blast furnace slag, silica fume, composite mineral admixture and stone powder; the admixture is one or a plurality of water reducing agent, water retention agent, early strength agent, air entraining agent or defoaming agent and plasticizing agent; the fiber adopts synthetic fiber, basalt fiber and glass fiber; the cementing material adopts general portland cement; the water is mixed with the allowable water. The material preparation amount is more than 1.05 times of the continuous construction amount of each floor partition and subsection, and the continuous supply and mixing can be realized.
Furthermore, the 3D printed concrete proportion verification and performance test in the step (3) and the 3D printed concrete configuration are carried out, the configuration strength of the 3D printed concrete is improved by 5-8MPa according to the design strength and is not less than 25MPa, and the design value of the wall body compressive strength of the 3D printed concrete is not less than 2.5 MPa. The extrusion property, the fluidity, the self-stability and the printability of the prepared 3D printing concrete meet the requirements, the fluidity index of the 3D printing concrete is 150-300mm for the concrete with the aggregate equivalent particle size of less than or equal to 5mm, and the Vibro consistency of the concrete with the aggregate equivalent particle size of more than 5mm is between 5 and 15 s. The mechanical property of 3D printing concrete possesses obvious anisotropic characteristic, and the compressive strength, the rupture strength of its stack direction of printing, perpendicular stack direction of printing are tested to shaping standard test block. The self-stability of the 3D printed concrete is tested by adopting a cylinder method in a loading mode, the index of the self-stability meets the requirement of the support performance in the continuous operation time range of a printing path, and the vertical deformation rate and the transverse deformation rate meet the requirement.
Furthermore, the 3D printing concrete sample plate in the step (4) is debugged and operation parameters are determined, an S-shaped or Z-shaped track is taken as a path, a sample plate with the length of 2m and the height of 1m and the number of layers not less than 50 layers is printed in a test mode, and then the printability and mechanical property indexes of the sample plate are measured. The proportion of the material, the extrusion performance, the fluidity and the self-stability performance of the material are verified, and the corresponding indexes meet the continuous working performance requirement of 3D printing. The mechanical property indexes report the anisotropic property indexes of 3D printed concrete, and specifically comprise the compressive strength, the breaking strength and the interlayer bonding strength of the extrusion stacking forward direction and lateral corresponding indexes vertical to the forward direction. The operation parameters are determined by extrusion speed, walking speed, interval time between layers and continuous stacking thickness.
Furthermore, in the 3D printing construction in the step (5), the 3D printing construction includes an aggregate system, a stirring system, a conveying system, a printing system and a control system, the materials are sufficiently prepared in the field construction, the construction is continuous, the interlayer operation is continuous, through and smooth, and the texture is stable. The extrusion speed, the walking speed, the stacking thickness, the stacking layer number and the accumulated stacking thickness meet the control requirements of process parameters in trial assembly. The horizontal walking speed is more than or equal to 200mm/min, the vertical stacking speed is more than or equal to 300mm/min, and the interlayer intermittence time is more than 5min earlier than the initial setting time.
Furthermore, in the step (6), the wall body formed by 3D printing is constructed to be an internal cavity body structure, the shape of the wall body comprises a circular and square design form, the cavity rate is 25% -65%, the reserved cavity is filled with the heat-insulating and sound-insulating material, the filling rate is controlled according to the thermal performance index and the acoustic performance index, and the hole sealing rate generally reaches over 75%.
Furthermore, the thickness of the formed 3D printing heat-insulating and sound-insulating wall body for the building is between 120 plus 390mm, the design strength of the wall body is more than or equal to 2.5MPa, the bending tensile strength is more than or equal to 0.28MPa, and the interlayer shear strength is more than or equal to 0.15 MPa.
Compared with the prior art, the invention has the following beneficial effects:
(1) the method for 3D printing of the building heat-preservation and sound-insulation wall provided by the invention can meet the multifunctional requirements of a building wall separation function, heat preservation and energy conservation, sound insulation and environmental protection, decoration integration and digital control, and can also realize digital modeling and continuous operation, thereby being beneficial to energy conservation and emission reduction and improving the space utilization rate. In addition, the heat-insulating and sound-insulating material is arranged in the inner cavity, so that the fireproof performance of the heat-insulating material is improved, and the air sound and sound insulation performance of the wall body is improved.
(2) The invention has simple form, convenient construction and good wall body integrity, greatly improves the construction precision, reduces the loss of raw materials and secondary pollution, improves the utilization efficiency of materials, improves the construction efficiency of various heat-insulating and sound-insulating wall bodies, greatly simplifies the field construction labor force and saves the construction process.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention.
FIG. 1: the utility model discloses a construction process flow chart.
FIG. 2: the 3D printing scheme diagram of the first embodiment.
FIG. 3: the 3D printing path diagram of the first embodiment.
FIG. 4: example two 3D printing scheme diagram.
FIG. 5: the 3D printing path diagram of example two.
FIG. 6: 3D printing path diagram of example three.
In the figure: 1-transverse outer wall, 2-longitudinal outer wall, 3-inner support and 4-heat-preservation sound-insulation filling body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings according to the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Taking a certain multi-layer concrete structure house as an example, the construction of indoor division walls and internal partition walls is completed by adopting a 3d printing method of building heat-insulating and sound-insulating walls in combination with the figures 1-3. The height of the standard structural layer is 3.0m, the net height of the wall body is 2.5m, the thickness of the wall body is 200mm, and the maximum length of the wall body in the implementation case is 4.8 m.
The method comprises the following main steps:
the method comprises the following steps: and 3d, designing a wall printing scheme and determining a path, dividing the 3d printing category by combining a building, a structure, water and electricity and a facility construction drawing, building a model through BIM information, determining a printing path drawing, and formulating the 3d printing operation technical scheme.
In an embodiment, the wall design is shown in fig. 2, and the wall design includes:
(1) the strength of the wall body is determined, the design strength of the wall body is more than or equal to 2.5MPa, the bending tensile strength is more than or equal to 0.28MPa, and the interlaminar shear strength is more than or equal to 0.15 MPa.
(2) In the aspect of wall size, the length of the wall is required to be more than or equal to 300mm, but not more than 7200 mm; the height of the wall body is less than or equal to 4500 mm; the thickness (section width) of the wall body is more than or equal to 120 mm.
(3) The wall body adopts a structural form of a middle discontinuous cavity, the volume aperture ratio of the wall body is 25-65%, the thickness of the outer wall of the wall body is more than or equal to 25mm, the thickness of the inner support of the wall body is more than or equal to 25mm, and the cavity in the wall body is filled with a heat-insulating sound-insulating material.
In the embodiment, the thickness of the wall body section is 120mm, and the wall body is composed of a 3d concrete printed transverse wall body outer wall 1 (short for transverse wall body outer wall), a 3d concrete printed longitudinal wall body outer wall 2 (short for longitudinal outer wall), a 3d concrete printed wall body inner wall 3 (inner support) and a heat preservation and sound insulation filling body 4. The thickness of the transverse outer wall 1, the longitudinal outer wall 2 and the inner support 3 is 25 mm.
(4) The path determination of the wall body comprises the path length of single-layer wall body printing, the path track and the path form of the wall body, the layered thickness of the wall body and an extrusion and superposition mode.
In the embodiment, the path trajectory of the wall is shown in fig. 3. Each layer of printing forms a track route by combining printing of a straight type and printing of an M type.
Step two: preparing 3d printing concrete raw materials, and preparing aggregate, mineral admixture, additive type and mixing amount, fiber type and mixing amount, cementing material and water required by 3d printing.
Furthermore, the aggregate adopts natural sand and artificial macadam, and the particle size of the macadam is 5-10 mm; the mineral admixture is compounded by adopting fly ash and blast furnace slag; the admixture is one or a plurality of polycarboxylic acid high-performance water reducing agent, defoaming agent, plasticizing agent and the like; the fiber is polyvinyl alcohol fiber, and the length of the fiber is 3-12 mm; the cementing material adopts ordinary portland cement, and the strength grade is 42.5 MPa; the water is mixed with the allowable water. The volume ratio of the aggregate is 31-38%, and the volume ratio of the gelled material and the mineral admixture is 70-85%. The preparation amount of the materials meets more than 1.05 times of the continuous construction dosage of each floor partition and can be continuously supplied, mixed and stirred.
Step three: and 3d, verifying the proportion of the printed concrete and testing the performance of the printed concrete, wherein the configuration of the 3d printed concrete meets the requirements of operation performance, mechanical performance and durability. The operation performance of the composite material meets the comprehensive performance requirements of fluidity, extrudability, self-stability and printability, and the performance test indexes meet the requirements of construction molding and continuous operation.
In the implementation case, the design value of the compressive strength of the wall body of the 3d printed concrete is more than or equal to 2.5MPa, the design strength of the 3d printed concrete is more than or equal to 30MPa, and the configuration strength of the concrete is designed and configured according to the design strength of 35 MPa. The fluidity of the 3d printing concrete is 5-15 s. The mechanical property of the 3d printed concrete has obvious anisotropic characteristics, a standard test block is formed, and the compressive strength and the flexural strength of the concrete in the superposition printing direction and the vertical superposition printing direction are tested. The 3d self-stability of the printed concrete is tested by adopting a cylinder method in a loading mode, the index of the self-stability meets the requirement of the support performance in the continuous operation time range of a printing path, and the vertical deformation rate and the transverse deformation rate meet the requirement.
Step four: debugging and operation parameter determination of a 3d printed concrete sample plate, 3d printed concrete with performance test meeting requirements, implementing printing operation of a given path by combining an operation diagram, and determining operation parameters and process parameters of initial setting time, interlayer intermittence time, extrusion speed, walking speed, stacking thickness and path deviation of the 3d printed concrete.
And (3) taking an S-type track, a W-type track or a Z-type track as a path, testing and printing a sample plate with the length of 2m, the height of 1m and the number of layers of not less than 50, and then measuring the printability and the mechanical property index of the sample plate. The proportion of the material, the extrusion performance, the fluidity and the self-stability performance of the material are verified, and the corresponding indexes meet the requirement of the continuous working performance of 3d printing. The anisotropic performance index of 3d printing concrete specifically includes the compressive strength, the rupture strength and the interlayer bonding strength of the extrusion stacking forward direction (vertical and stacking direction, generally vertical), and the corresponding index of the side direction perpendicular to the forward direction. The operation parameters are determined by extrusion speed, walking speed, interval time between layers and continuous stacking thickness. Specifically, the horizontal walking speed is more than or equal to 200mm/min, the vertical stacking speed is more than or equal to 300mm/min, and the interlayer intermittence time is more than 5min earlier than the initial setting time.
Step five: and 3d printing construction, combining trial printing and sample plate debugging results, adopting an extrusion superposition process according to the 3d printing operation scheme and the path diagram, printing layer by layer, continuously operating, and meeting the requirements of the interlayer intermittent time and the interlayer accumulated superposition thickness. The interlayer overlapping time interval is advanced by more than 5min compared with the initial setting time of the 3D printed concrete. The maximum length of the layered printing path does not exceed the accumulated values of the walking speed and the inter-layer pause time. The structural form of the printing section adopts a combined form of double-layer outer walls and internal supports, the printing section is in a multi-cavity separation form, and the walking track can be in a straight-line shape, a W-shaped, an M-shaped, an S-shaped, an 8-shaped, a Z-shaped or a combined form thereof.
The 3d printing construction comprises an aggregate system, a stirring system, a conveying system, a printing system and a control system, the materials are fully prepared in the field construction, the continuous construction is realized, the interlayer operation is continuous, through and smooth, and the texture is stable. The extrusion speed, the walking speed, the stacking thickness, the stacking layer number and the accumulated stacking thickness meet the control requirements of process parameters in trial assembly.
And 3d, printing construction, specifically comprising printing field inspection → printing bottom layer → printing subsequent superposed layer → process control → circular printing.
And (4) printing site inspection, which is mainly to determine the position of a printed wall body, inspect the peripheral condition of the wall body, wet the bottom layer of the wall body by galling, ensure that the flatness of the bottom layer is less than or equal to 5mm, and print the wall body when the site acceptance meets the requirements.
And printing bottom concrete, observing by a side station, and checking a printed path, and the walking speed and quality stability and continuity of 3d printing. The bottom layer is qualified, and the second layer can be continuously printed.
And (4) controlling the process, and mainly rechecking the thickness and the layered thickness of the wall body formed by 3d printing, the positions of the cavity in the wall body, the reserved pipeline of the wall body, the groove body and the hole and the formed appearance quality.
Step six: and (3) constructing a heat-preservation sound-insulation filling body, namely, constructing a multi-cavity continuous partition wall formed by layers, filling heat-preservation sound-insulation slurry into an internal cavity, and forming a heat-preservation sound-insulation partition wall system together with a wall framework formed by 3d printing.
The wall body formed by 3d printing is of an internal cavity body structure, the cross section shape of the wall body comprises design forms such as a round shape and a square shape, the cavity rate is 25% -65%, the reserved cavity is filled with the heat-insulating and sound-insulating material, the filling rate is controlled according to thermal performance indexes and acoustic performance indexes, and the hole sealing rate generally reaches over 75%.
The filling of the heat-preservation sound-insulation body is mainly characterized in that heat-preservation sound-insulation materials are sequentially filled into a cavity inside a wall body.
And seventhly, printing quality inspection of the heat-preservation and sound-insulation wall in 3d, wherein the quality inspection comprises the content of the wall in aspects of appearance quality, entity quality and function test. The appearance quality comprises the defects of the verticality, the thickness and the flatness of the wall body, debonding, cracking and continuity. The physical quality test included the mechanical properties of 3d printed concrete under anisotropic conditions. The functional test comprises index requirements on the thermal insulation performance and the acoustic performance of the material.
Example two
Taking a certain multi-layer concrete structure house as an example, the construction of indoor division walls and internal partition walls is completed by adopting a 3d printing method of building heat-insulating and sound-insulating walls in combination with the figures 1, 4 and 5. The height of the structural layer is 4.5m, the net height of the wall body is 3.8m, the thickness of the wall body is 190mm, and the maximum length of the wall body in the implementation case is 3.9 m.
In the embodiment, the wall body scheme is designed as shown in figure 4, the thickness of the cross section of the wall body is 190mm, the square hole is formed, the volume aperture ratio of the wall body is 25-65%, the thicknesses of the outer walls 1 and 2 of the wall body are more than or equal to 25mm, and the thickness of the inner support 3 of the wall body is more than or equal to 50 mm.
In the embodiment, the path trajectory of the wall is shown in fig. 5. Each layer of printing forms a track route by combining printing of a concave type and printing of a convex type. The concave and convex are combined, and the circular printing can form a single-row hole and double-row hole equal section combination form. And injecting waterproof heat-insulating materials into the printed and molded cavity to form a heat-insulating and sound-insulating filling body 4, and finally forming a heat-insulating and sound-insulating wall body.
In the implementation case, the wall thickness is the same as the concrete shear wall thickness, and the building plane is on one plane, and the indoor space effect is good. The wall body meets the strength requirement of the masonry wall body, the combination between the later masonry wall body and the structure is good, the linear expansion coefficient of the material is very close, and the bad effects of cracking, deformation and the like can not occur in later decoration. The heat-preservation and sound-insulation material is injected into the wall, and the upper and lower reserved holes are pressed in, so that the air sound insulation index of the wall can reach over 53dB, and the sound insulation effect is obvious; testing the heat transfer coefficient of the wall body to be 0.37-0.43W/(m)2K) And the heat preservation and insulation performance is better. The procedure and method were as in example 1.
EXAMPLE III
Referring to fig. 1 and 6, the cross-sectional thickness of a rear masonry wall is 120-150mm, and the rear masonry wall has a straight line type, an arc type and a broken line type. The height of the structural layer is 3.3m, the net height of the wall body is 2.8m, and the length of the wall body in the implementation case is 900-2600 mm. And 3d printing the heat-insulating and sound-insulating wall of the building to complete the construction of indoor partition walls and internal partition walls.
In the embodiment, the wall body scheme is designed as shown in figure 6, the wall body has the cross section thickness of 150mm, the oval holes are formed, the volume aperture ratio of the wall body is 35% -50%, the thickness of the outer wall of the wall body is larger than or equal to 25mm, and the thickness of the inner support of the wall body is larger than or equal to 25 mm.
In the embodiment, the path trajectory of the wall is shown in fig. 6. Each layer of printing is printed in the form of 'inverted S' or 'sine wave' or 'cosine wave' to form a track route. And injecting a heat-insulating sound-insulating material into the printed and molded cavity to finally form the heat-insulating sound-insulating wall.
The horizontal walking speed of the 3D printing is more than or equal to 200mm/min, the vertical stacking speed is more than or equal to 300mm/min, and the interval time between layers is more than 5min ahead of the initial setting time. The heat transfer coefficient of the wall is 0.41-0.45W/(m)2K) The air sound and sound insulation index of the wall can reach more than 50 dB. The formed 3d printed heat-insulating sound-insulating wall is particularly suitable for building and constructing non-standard cross sections, curves and broken line walls, the wall strength, the 3d printed concrete strength, the compressive strength in the extrusion stacking forward direction, the bending strength and the interlayer bonding strength meet the design requirements, the wall cross section can be consistent with structural members, the coordination and unification of building design points and line surfaces are met, and the implementation steps and the implementation method are the same as those in embodiment 1.
Claims (8)
1. A3D printing method for a heat-preservation sound-insulation wall of a building is characterized by comprising the following steps: the method comprises the following steps:
step (1): designing a 3D printing wall scheme and determining a path, dividing the 3D printing category by combining construction, structure, water and electricity and facility construction drawings, building a model through BIM information, determining a printing path diagram, and formulating a 3D printing operation technical scheme;
step (2): preparing 3D printing concrete raw materials, and preparing aggregate, mineral admixture, additive type and mixing amount, fiber type and mixing amount, cementing material and water required by 3D printing;
and (3): 3D printing concrete proportion verification and performance test, wherein the 3D printing concrete configuration should meet the requirements of operation performance, mechanical property and durability, the operation performance meets the comprehensive performance requirements of fluidity, extrudability, self-stability and printability, and the performance test indexes meet the requirements of construction molding and continuous operation;
and (4): debugging and determining operation parameters of a 3D printed concrete sample plate, testing the 3D printed concrete with performance meeting requirements, implementing the printing operation of a given path by combining an operation diagram, and determining the operation parameters and process parameters of 3D printed concrete initial setting time, interlayer intermission time, extrusion speed, walking speed, stacking thickness and path deviation of the 3D printed concrete;
and (5): 3D printing construction, combining trial printing and a sample plate debugging result, adopting an extrusion superposition process according to a 3D printing operation scheme and a path diagram, printing layer by layer, continuously operating, wherein the interlayer interval time and the interlayer accumulated superposition thickness meet the requirements, the interlayer superposition time interval is advanced by more than 5min compared with the 3D printing concrete initial setting time, the maximum length of a layered printing path does not exceed the cumulative value of the walking speed and the interlayer interval time, the structural form of a printing section adopts a combined form of a double-layer outer wall and an internal support, and is in a multi-cavity separation form, and the walking track can be in a straight-line form, a W-shaped form, an M-shaped form, an S-shaped form, an 8-shaped form, a Z-shaped form or a combined form thereof;
and (6): constructing a heat-preservation sound-insulation filling body, namely constructing a multi-cavity continuous partition wall formed by layering, filling heat-preservation sound-insulation slurry into an inner cavity, and forming a heat-preservation sound-insulation partition wall system together with a wall framework formed by 3D printing;
3D printing quality inspection of the heat-preservation and sound-insulation wall, wherein the quality inspection comprises the contents of appearance quality, entity quality and functional performance indexes of the wall, the appearance quality comprises the defects of verticality, wall thickness, flatness, debonding, cracking and continuity of the wall, and the entity quality inspection comprises the mechanical property of 3D printed concrete under the anisotropic condition;
the functional test comprises index requirements of the heat-preservation and energy-saving performance index and the acoustic performance.
2. The 3D printing method for the thermal insulation and sound insulation wall of the building according to claim 1, characterized by comprising the following steps: the 3D printing wall scheme design and path determination in the step (1) comprise the strength, length, height and thickness of the wall, the connection mode of the wall with surrounding member columns, walls and beams, the section structure forming mode of the wall, the wall outer wall thickness, the wall inner support thickness and the wall inner filling body type, and the path determination of the wall comprises the path length printed in a single layer mode of the wall, the path track and path mode of the wall, and the extrusion and superposition mode of the wall layering thickness.
3. The 3D printing method for the thermal insulation and sound insulation wall of the building according to claim 1, characterized by comprising the following steps: preparing 3D printing concrete raw materials, wherein the aggregate comprises one or more of sand and stone aggregate, and the particle size of the aggregate is not more than 15 mm; the mineral admixture can be compounded or mixed by one or more of fly ash, blast furnace slag, silica fume, composite mineral admixture and stone powder; the admixture is one or a plurality of water reducing agent, water retention agent, early strength agent, air entraining agent or defoaming agent and plasticizing agent; the fiber is one or a combination of a plurality of synthetic fibers, basalt fibers and glass fibers; the cementing material adopts general portland cement; the water is the allowable mixing water, the material preparation amount is more than 1.05 times of the continuous construction dosage of each floor partition, and the water can be continuously supplied, mixed and mixed.
4. The 3D printing method for the thermal insulation and sound insulation wall of the building according to claim 1, characterized by comprising the following steps: the step (3) comprises the steps of 3D printed concrete ratio verification and performance test, 3D printed concrete configuration, wherein the configuration strength of the 3D printed concrete is improved by 5-8MPa according to the design strength and is not less than 25MPa, and the design value of the wall body compressive strength of the 3D printed concrete is not less than 2.5 MPa; the extrusion property, the fluidity, the self-stability and the printability of the prepared 3D printing concrete meet the requirements, the fluidity index of the 3D printing concrete is 150-300mm for the concrete with the aggregate equivalent particle size of less than or equal to 5mm, and the Vibro consistency of the concrete with the aggregate equivalent particle size of more than 5mm is between 5 and 15 s; the mechanical property of the 3D printed concrete has obvious anisotropic characteristics, a standard block is formed, and the compressive strength and the flexural strength of the standard block in the superposition printing direction and the vertical superposition printing direction are tested; the self-stability of the 3D printed concrete is tested by adopting a cylinder method in a loading mode, the index of the self-stability meets the requirement of the support performance in the continuous operation time range of a printing path, and the vertical deformation rate and the transverse deformation rate meet the requirement.
5. The 3D printing method for the thermal insulation and sound insulation wall of the building according to claim 1, characterized by comprising the following steps: debugging the 3D printed concrete sample plate and determining operation parameters, taking an S-shaped or Z-shaped track as a path, testing and printing a sample plate with the length of 2m, the height of 1m and the number of layers not less than 50, and then measuring the printability and mechanical property indexes of the sample plate; the proportion of the material, the extrusion performance, the fluidity and the self-stability performance of the material are verified, and the corresponding indexes meet the continuous working performance requirement of 3D printing; the mechanical property indexes report the anisotropic property indexes of 3D printed concrete, and specifically comprise the compressive strength, the breaking strength and the interlayer bonding strength of the extrusion stacking forward direction and lateral corresponding indexes vertical to the forward direction; the operation parameters are determined by extrusion speed, walking speed, interval time between layers and continuous stacking thickness.
6. The 3D printing method for the thermal insulation and sound insulation wall of the building according to claim 1, characterized by comprising the following steps: in the step (5), 3D printing construction is performed, wherein the 3D printing construction comprises an aggregate system, a stirring system, a conveying system, a printing system and a control system, materials are sufficiently prepared for field construction, continuous construction is performed, interlayer operation is continuous, through and smooth, and texture is stable; the extrusion speed, the walking speed, the stacking thickness, the stacking layer number and the accumulated stacking thickness meet the control requirements of process parameters in trial assembly; the horizontal walking speed is more than or equal to 200mm/min, the vertical stacking speed is more than or equal to 300mm/min, and the interlayer intermittence time is more than 5min earlier than the initial setting time.
7. The 3D printing method for the thermal insulation and sound insulation wall of the building according to claim 1, characterized by comprising the following steps: and (3) constructing the heat-insulating sound-insulating filling body in the step (6), wherein the wall body formed by 3D printing is of an internal cavity body structure, the shape of the wall body comprises a circular and square design form, the cavity rate is 25-65%, the reserved cavity is filled with the heat-insulating sound-insulating material, the hole filling rate is controlled according to a thermal performance index and an acoustic performance index, and the hole sealing rate is over 75%.
8. The 3D printing method for the thermal insulation and sound insulation wall of the building according to claim 1, characterized by comprising the following steps: the thickness of the formed 3D printing heat-insulating and sound-insulating wall body for the building is between 120 and 390mm, the design strength of the wall body is more than or equal to 2.5MPa, the bending tensile strength is more than or equal to 0.28MPa, and the interlayer shear strength is more than or equal to 0.15 MPa.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038003.9A CN109057078B (en) | 2018-09-06 | 2018-09-06 | Method for 3D printing of building heat-preservation sound-insulation wall |
| NL2022511A NL2022511B1 (en) | 2018-09-06 | 2019-02-05 | Method for 3d printing thermal acoustic insulating walls for buildings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038003.9A CN109057078B (en) | 2018-09-06 | 2018-09-06 | Method for 3D printing of building heat-preservation sound-insulation wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057078A CN109057078A (en) | 2018-12-21 |
| CN109057078B true CN109057078B (en) | 2019-12-24 |
Family
ID=64759723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811038003.9A Active CN109057078B (en) | 2018-09-06 | 2018-09-06 | Method for 3D printing of building heat-preservation sound-insulation wall |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109057078B (en) |
| NL (1) | NL2022511B1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594694A (en) * | 2018-12-24 | 2019-04-09 | 上海明阳环保科技有限公司 | A kind of special-shaped wall body structure and preparation method thereof based on 3D printing |
| CN109594777B (en) * | 2019-01-17 | 2020-11-03 | 中国建筑第八工程局有限公司 | 3D printing method and equipment for building blocks |
| CN111136760B (en) * | 2019-12-31 | 2021-11-19 | 南京嘉翼数字化增材技术研究院有限公司 | 3D printing arc-shaped wall manufacturing process |
| CN111335636B (en) * | 2020-03-31 | 2021-11-26 | 江苏建筑职业技术学院 | 3D construction method of net-shaped reinforced concrete curved roof structure |
| CN112321188B (en) * | 2020-11-05 | 2022-04-05 | 珠海春禾新材料研究院有限公司 | Special additive for concrete for 3D printing and concrete thereof |
| CN112942837B (en) * | 2021-01-22 | 2023-02-03 | 河北工业大学 | Cantilever structure concrete 3D printing method and system |
| CN114059684A (en) * | 2021-11-25 | 2022-02-18 | 北京市建筑设计研究院有限公司 | Construction method of 3D printing building functional cabin |
| CN114102796B (en) * | 2021-11-29 | 2024-01-26 | 河北工业大学 | Preparation method of novel 3D printing heat-preserving frame integrated wall based on numerical simulation |
| CN115372099A (en) * | 2022-08-23 | 2022-11-22 | 东北大学 | Rock-soil thermal insulation material preparation and 3D printing method for physical model test |
| CN115306157B (en) * | 2022-08-30 | 2024-01-26 | 同济大学 | 5D printing method and system for concrete structure |
| CN116945318B (en) * | 2023-06-27 | 2024-09-27 | 深圳大学 | Intelligent concrete 3D printing method, device and printing equipment |
| CN117328680B (en) * | 2023-11-16 | 2024-06-07 | 深圳大学 | 3D printing in-situ forming method and system for energy storage concrete structural member |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947937A (en) * | 2015-04-29 | 2015-09-30 | 马义和 | Digital construction method of 3D printing robot and soil wall |
| CN105003003A (en) * | 2015-06-13 | 2015-10-28 | 刘政辰 | 3D printing self heat insulation wall body and preparing method of 3D printing self heat insulation wall body |
| CN105753404A (en) * | 2016-02-03 | 2016-07-13 | 临沂大学 | Cement-based material used for building 3D (three-dimensional) printing |
| CN106760532A (en) * | 2016-12-23 | 2017-05-31 | 浙江迅实科技有限公司 | A kind of architecture construction method based on 3D printing |
| CN107963839A (en) * | 2017-09-26 | 2018-04-27 | 芜湖天梦信息科技有限公司 | A kind of 3D concrete printing raw material and its technique |
| CN207633767U (en) * | 2017-12-20 | 2018-07-20 | 青岛酒店管理职业技术学院 | A kind of 3D printing wall machine based on BIM technology |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9566742B2 (en) * | 2012-04-03 | 2017-02-14 | Massachusetts Institute Of Technology | Methods and apparatus for computer-assisted spray foam fabrication |
| ES2879847T3 (en) * | 2013-10-30 | 2021-11-23 | Branch Tech Inc | Additive manufacturing of buildings and other structures |
| NL1041597B1 (en) * | 2015-11-26 | 2017-06-14 | Alan Mcgee Michael | Method for optimized manufacturing. |
| US10074449B2 (en) * | 2016-06-21 | 2018-09-11 | Raytheon Company | Additively manufactured concrete-bearing radiation attenuation structure |
-
2018
- 2018-09-06 CN CN201811038003.9A patent/CN109057078B/en active Active
-
2019
- 2019-02-05 NL NL2022511A patent/NL2022511B1/en not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947937A (en) * | 2015-04-29 | 2015-09-30 | 马义和 | Digital construction method of 3D printing robot and soil wall |
| CN105003003A (en) * | 2015-06-13 | 2015-10-28 | 刘政辰 | 3D printing self heat insulation wall body and preparing method of 3D printing self heat insulation wall body |
| CN105753404A (en) * | 2016-02-03 | 2016-07-13 | 临沂大学 | Cement-based material used for building 3D (three-dimensional) printing |
| CN106760532A (en) * | 2016-12-23 | 2017-05-31 | 浙江迅实科技有限公司 | A kind of architecture construction method based on 3D printing |
| CN107963839A (en) * | 2017-09-26 | 2018-04-27 | 芜湖天梦信息科技有限公司 | A kind of 3D concrete printing raw material and its technique |
| CN207633767U (en) * | 2017-12-20 | 2018-07-20 | 青岛酒店管理职业技术学院 | A kind of 3D printing wall machine based on BIM technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109057078A (en) | 2018-12-21 |
| NL2022511B1 (en) | 2020-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109057078B (en) | Method for 3D printing of building heat-preservation sound-insulation wall | |
| CN103342531B (en) | Building exterior wall thermal insulation material and preparation process thereof | |
| CN102936939B (en) | Composite light wall board and production method thereof | |
| CN103435308B (en) | Composite board and manufacturing method thereof | |
| CN103193446B (en) | Method for producing waste residue foam concrete and nanopore vacuum plate composite material | |
| CN101497517A (en) | Ceramsite autoclaved aerated concrete and production method thereof | |
| CN107602039B (en) | Grouting ceramsite light composite wallboard and preparation method thereof | |
| CN102817438B (en) | Expanded and vitrified small ball thermal insulation demounting-free template | |
| WO2007143885A1 (en) | An insulated and soundproof block and a masonry method thereof | |
| CN201560522U (en) | Self-insulation interlocking wall building block | |
| CN104230238B (en) | Exterior wall premixing motar and production method thereof | |
| CN101748840A (en) | Concrete modular brick and wall structure thereof | |
| CN104612321A (en) | Light high-strength inner partitioning wall plate and manufacturing method | |
| CN104591774B (en) | A kind of processing method of light foaming concrete decorative block | |
| CN109160786B (en) | Heat-preservation light mortar solidified based on waste incineration slag and preparation method thereof | |
| CN114103178A (en) | Novel compound pressure of ground paste evaporates moulds for aerated concrete | |
| CN2871691Y (en) | L-shaped thermal-insulating building block | |
| CN103225364A (en) | Multiple-discharge orifice energy saving self-heat conserving ceramsite building block and concrete formula for moulding | |
| CN113277808A (en) | Light wallboard based on engineering residual soil and preparation process thereof | |
| CN103029367B (en) | Preparation method of double-faced compound warm-keeping and energy-saving wallboard | |
| CN205577171U (en) | Cast -in -place light composite wall that builds of assembled non -bearing | |
| CN110878600A (en) | Desulfurized gypsum based composite light wallboard and splicing method thereof | |
| CN1306128C (en) | After casting type heat insulation super light aggregate concrete composite wall and its producing method | |
| Zhou | 3D Printing of Engineered Cementitious Composites (3DP-ECC) | |
| Kakarla et al. | Additive Manufacturing for Building and Constructions: Overview, Applications and Challenges |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200423 Address after: 210001 building 17, No. 66, Lingjiao City, Qinhuai District, Nanjing City, Jiangsu Province Patentee after: NANJING XINGHUA ARCHITECTURE DESIGN AND RESEARCH INSTITUTE Co.,Ltd. Address before: 221000 Jiangsu city of Xuzhou Province Academy of Quanshan District Road No. 26 Patentee before: JIANGSU JIANZHU INSTITUTE |