CN217557270U - Secondary structure wall body free of plastering and free of hidden pipe slotting - Google Patents

Abstract

The utility model discloses an exempt from to plaster, grooved secondary structure wall body is exempted from to concealed conduit, including pre-buried first steel member on the floor, the welding of first steel member upper portion has the constructional column, and the at least side of constructional column is connected with the wall body that is formed by the riveting of a plurality of building block, and there is the mortar joint between every building block, and the support node of wall body is equipped with the girt, and the girt welds through pre-buried second steel member and the contact department of constructional column at its tip, the top and the constructional beam fixed connection of constructional column. The quality common fault of the secondary structure concrete with rough quality is solved, the masonry quality of the filler wall is obviously improved, and the plastering-free effect of the wall body is realized; the technical measures of special pipe arrangement building block wrapping and building and pre-embedded wire box matched building block assembly are adopted, the effect of avoiding grooving of the wall concealed wiring pipe is achieved, energy conservation and environmental protection are promoted, and the effect is good.

Description

Secondary structure wall body free of plastering, hidden pipe and slotting

Technical Field

The utility model relates to a construction technical field particularly, relates to a exempt from to plaster, the grooved secondary structure wall body is exempted from to the concealed conduit.

Background

In the wet operation construction technology of the secondary structure, in a conventional cast-in-place frame and frame-shear wall structure system, the secondary structure is a non-bearing structure or an enclosure structure such as a filler wall, a constructional column, a ring beam and the like which is constructed after a main body bearing structure is finished. Due to the structural development imbalance of the current building industry, most of the existing secondary structure construction processes are still based on the traditional labor-intensive manual operation mode, especially the construction of cast-in-place beams and columns of the secondary structure is heavier than on-site wet operation, the operation procedures are complicated, the construction process which is equal to the main bearing structure is implemented layer by layer again, a large amount of manpower resources, material and equipment investment and time cost are occupied, the labor intensity of workers is high, the working efficiency is low, the procedures are mutually inserted and restricted, the field management difficulty is increased, the quality defects of the concrete structure are rough, the slab expanding and dislocation, the exposed ribs and slurry leakage and the wall surface pollution are very common due to the limitations of the traditional process and the on-site operation conditions. Meanwhile, the traditional wall material and the building process cannot meet the precision requirement, the building blocks have dimensional deviation and high water absorption rate, mortar joints are thicker, the tensile force in the cross section of the building body is increased due to the dry shrinkage influence of the mortar, the building blocks can be displaced, the size of the wall body is influenced, the building quality is greatly influenced by the skills and experience factors of operators, and the flatness and the verticality of the wall body cannot meet the standard.

Therefore, the traditional secondary structure surface layer is leveled by mortar plastering, the construction use energy can be met, huge material and equipment resource consumption and labor input are increased, the construction process and the construction period are prolonged, and the plastering area of the inner wall of a general building is about more than 3.5 times of the building area.

In addition, the defects of the traditional construction process are also expressed in the following aspects: 1. the material has high loss rate in the process of material transportation and use, occupies limited places for storage and processing, has high mechanical cost of vertical transportation equipment, high power consumption of electric machines and tools and high on-site water consumption, has obvious energy consumption but low utilization rate; 2. the traditional wet method operation generates a large amount of construction waste which cannot be recycled, causes environmental pollution such as waste water, dust, noise and the like, forms harm to the ecological environment and is not beneficial to realizing four-section one-environment protection; 3. the traditional mortar plastering process has the common quality problems of hollowness and cracking of a plastering layer, is difficult to maintain and modify at a later stage, needs to invest a large amount of labor and material cost, and seriously influences the normal work and life of a user; 4. the wall plastering process completely depends on a large amount of manual operation, the labor intensity of workers is high, the operation environment is severe, the labor cost is huge, and the occupational health of industrial workers is not guaranteed; 5. plastering operation levels are various, each structural layer can be constructed after the upper layer reaches a certain strength, the plastering layer can be subjected to surface layer decoration operation after being sufficiently dried, and the plastering layer is mutually interpenetrated and restrained with procedures such as division, project division, equipment pipeline installation and the like of related specialties, whether each construction link is compact and reasonable or not is connected, and the safety, the quality, the construction period and the construction cost of the whole engineering are directly influenced.

In the secondary structure concealed wiring pipe construction technology, concealed wiring electric wiring pipes in a filler wall masonry are generally laid in a mode of 'first building and then arranging pipes', after the wall is built, the wiring pipes are bounced on the wall surface according to the wiring pipe laying positions, grooving machines are used for grooving the pipes, the wiring pipes are installed and then filled and leveled with C20 fine stone concrete, an anti-cracking steel wire mesh is arranged on the outer side of the wiring pipes, and then plastering operation is carried out. This method has the following drawbacks: 1. the operation process is complicated, the field workload and the material consumption of the groove-filling concrete are increased, the labor cost, the mechanical cost and the material cost are high, and the whole construction period of the secondary structure is occupied; 2. the bearing capacity of the masonry is reduced, the wall body is grooved to reduce the bearing section of the structure, so that excessive eccentricity is caused, the strength of the masonry is damaged, the bearing capacity of the masonry is weakened, the integrity and the attractiveness of the wall surface are influenced, the safety of the wall body structure is reduced, and certain potential safety hazards exist; 3. the maintenance cost is high, hollowing and cracks are easy to occur at the slotting part of the wall body, the wall surface is cracked, effective treatment is difficult, and the later secondary maintenance cost is increased; 4. the construction energy consumption is large, the slotting machine tool power consumption and the field water consumption are large, the energy consumption is high, a large amount of building garbage, dust, noise and other pollution sources are generated in the slotting process, and the energy conservation and environmental protection are not facilitated; due to the limitation of the current process conditions, the defects of the traditional construction method exist for a long time.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems in the prior art, the utility model provides a secondary structure wall body which is free of plastering and has a concealed pipe and no slot, which solves the quality problem of coarse quality of secondary structure concrete, obviously improves the masonry quality of filler walls and realizes the plastering-free effect of the wall body; the technical measures of special pipe arrangement building block wrapping and building and pre-embedded wire box matched building block assembly are adopted, the effect of avoiding grooving of the wall concealed wiring pipe is achieved, energy conservation and environmental protection are promoted, and the effect is good. The above-mentioned deficiencies of the prior art can be overcome.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows: the utility model provides an exempt from to plaster, slotted secondary structure wall body is exempted from to concealed conduit, includes pre-buried first steel member on the floor, its characterized in that, first steel member upper portion welding has the constructional column, the at least side of constructional column is connected with the wall body that is formed by the riveting of a plurality of building block, every existence mortar joint between the building block, the support node of wall body is equipped with the girt, the girt through pre-buried second steel member at its tip with the contact department welding of constructional column, the top and the constructional beam fixed connection of constructional column, the building block includes first fore shaft building block, second fore shaft building block, third fore shaft building block, fourth fore shaft building block, fifth fore shaft building block and sixth fore shaft building block, and it is adjacent from top to bottom be interlock type mortar joint setting between the building block, the mortar joint intussuseption is filled with the brickwork adhesive.

Further, the structural column is an assembled H-shaped steel column formed by welding Q235 steel plates, wherein a cavity of the H-shaped steel column is filled with C20 concrete; the constructional column is an assembled rectangular steel column formed by welding Q235 steel plates.

Furthermore, the structural beam at the upper part of the H-shaped steel column is provided with a downward extending steel bar, and the steel bar is welded with the middle plate of the H-shaped steel column.

According to the utility model discloses an on the other hand provides a construction method that is used for the wall body to exempt from to plaster, hidden pipe exempts from grooved secondary structure wall body, includes following step:

s1, measuring and setting out according to design requirements, drawing the pre-embedded position of a first steel member and the structural trend of a wall body on a floor, and designing typesetting and building of the wall body, wherein the typesetting of the wall body follows the principle of designing and arranging from top to bottom and from an opening to two sides;

s2, manufacturing required first steel members, constructional columns and building blocks according to the structural trend of the wall, installing the first steel members according to pre-buried positions, installing the bottoms of the constructional columns on the first steel members in a welding mode, and fixedly connecting the tops of the constructional columns with structural beams, wherein the constructional columns need to be painted, and surface sand blasting and rust prevention treatment are needed before painting;

s3, after the structure in the S2 is qualified, cleaning up floating slurry and residues on the floor, removing oil stains on the surface, washing and drying;

s4, building the building blocks according to the structural trend of the wall body in the S1, and specifically comprises the following steps:

s41, determining the direction of a pipeline according to the leading-out point of a pre-buried pipeline in a structural wall, and connecting a hidden vertical pipeline in the wall according to a position line of the wall;

s42, wetting a floor base layer, leveling with cement mortar, adjusting the horizontal height of the building blocks of the first layer, and selecting the building blocks with proper types for construction according to the block type specification and the applicable parts of the building blocks, wherein the construction sequence comprises the steps of building a peripheral wall and then building an inner partition wall;

s43, when the building blocks are laid upwards, the building blocks on the upper layer and the lower layer are arranged in an occluded mortar joint mode, and the joints are occluded and built, so that the wave-shaped grooves between the upper plane and the lower plane of the building blocks are occluded with each other, and a stable mortise and tenon structure is formed;

s44, uniformly smearing the mixed bonding mortar on the surface of the laid building blocks and in a vertical seam formed by horizontally adjacent building blocks through a mortar distributing shovel, and placing the continuously laid building blocks on a mortar laying layer according to a hanging line position, wherein the thickness of the mortar seam is controlled to be not more than 4mm, and after each two layers of building blocks are laid, the verticality and the flatness need to be respectively checked until the building is completed;

s5, checking and accepting construction quality;

s6, performing waterproof, polishing and putty-applying construction on the outer wall and decoration construction on the wall surface layer; the wall body, the structural wall and the structural column are tied by adopting a bar planting method, and the tie bars in the wall body are arranged in mortar joints formed among the building blocks.

Further, in the step S2, the wall body is of a straight wall structure, H-shaped steel columns are adopted, and the middle plate is perpendicular to the wall body; the wall body is of a T-shaped wall or cross-shaped wall structure and adopts H-shaped steel columns; the wall body is of an L-shaped corner wall structure and adopts rectangular steel columns.

Further, in S4, when the height of the wall body is larger than 4m, a ring beam is arranged at 1/2 position of the wall body, the ring beam is of a prefabricated reinforced concrete structure and is prefabricated and hoisted in sections, and the length of each section is not larger than 3m.

Further, the ring beam is welded with the constructional column through a second steel member pre-buried in beam end, the ring beam is fixedly installed with the masonry wall through sitting thick liquid, and adjacent ring beam is welded through a second steel member pre-buried in beam end.

Furthermore, the ash distribution shovel is provided with wave-shaped teeth matched with the wave-shaped grooves on the upper plane of the building block.

Further, in S44, the configuration method of the bonding mortar specifically includes: the adhesive mortar is prepared according to the weight ratio that the dry powder adhesive and the water are = 4: 1, the dry powder adhesive is added into a clean container, then the dry powder adhesive is added according to the proportion, the mixture is stirred into a uniform thick paste by a hand-held electric stirrer without agglomeration and air bubbles, the mixture is kept stand for 5 to 10 minutes and is stirred again for 1 to 2 minutes, if the mixture is stirred again, the water is not needed, the stirred adhesive mortar is used up within 4 hours, and the mixture is stirred once every 30 minutes in use.

The utility model has the advantages that: the assembled light steel structure constructional column and the prefabricated ring beam structural system are adopted to replace the traditional labor-intensive field wet operation mode of secondary structure concrete construction, the traditional process limitation is broken through, a large amount of human resources, material equipment investment and time cost are saved, the node connection is simple and reasonable, the process is obviously simplified, the work efficiency is improved, and the structure entity quality and the appearance quality are effectively improved; the method adopts a thin seam process for fine building, and through the tenon-and-mortise type mortar joint, the matching combination of functional building blocks, node welding and embedding type tie bars and other process measures, the building quality of the filler wall is obviously improved, the plastering-free effect of the wall body is realized, the common quality problems of hollowing and cracking of a plastering layer of the wall surface are eliminated, the huge engineering cost is reduced, the construction period is reasonably shortened, the construction energy consumption and the environmental pollution of three wastes, noise and the like are reduced, and the energy conservation and environmental protection are promoted; the traditional method of 'building first and then slotting' of the wall concealed wiring pipe is replaced, the technical measures of special pipe arrangement building block packing and pre-buried wiring box matched building block assembly are adopted, the slotting-free effect of the wall concealed wiring pipe is realized, the working procedures are simplified, the workload and the whole construction period are reduced, a large amount of labor, machines and materials are saved, the construction energy consumption and the engineering cost are effectively reduced, and the method has good effects on eliminating the potential safety hazard of wall chiseling, ensuring the quality of the structure and the electrical installation engineering and promoting energy conservation and environmental protection; a large amount of field work is transferred to factory operation, and batch production is carried out by adopting an industrialized manufacturing mode, so that a large amount of resource investment can be saved, the construction period is effectively shortened, and the safety, quality and efficiency of the whole construction process are improved; the building block type setting method based on the BIM technology has the advantages that the specification and the size of the prefabricated part are optimized and the wall body type setting is finely made, the space imagination of the human brain is replaced through the simulation demonstration and the visual three-dimensional model of the entity engineering, the size deviation in the manufacturing and installing processes of the prefabricated part is eliminated, the detection index and the appearance quality of the masonry are guaranteed to be perfect, the overall and accurate arrangement of material purchasing and processing is facilitated, secondary carrying is reduced, resource loss is reduced, the management efficiency is improved, cost reduction and efficiency improvement are achieved, and green construction is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a secondary structural wall body which is free of plastering, concealed pipe and grooving and is provided with a hidden pipe according to an embodiment of the invention;

fig. 2 is a side sectional view of the upper part of a plastering-free, concealed pipe and grooving-free secondary structure wall according to an embodiment of the present invention;

FIG. 3 is a side sectional view of the lower part of a secondary structure wall body with no plastering, no hidden pipe and no slot according to the embodiment of the present invention ₆

Fig. 4 is a schematic structural view of a first locking block according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a second locking notch block according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a third locking notch building block according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a fourth locking notch block according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a fifth locking notch building block according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a sixth locking notch building block according to an embodiment of the present invention;

FIG. 10 is a schematic view of a construction post connected to a first steel member according to an embodiment of the present invention;

fig. 11 is a schematic structural view of an H-shaped steel column according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a rectangular steel column according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a straight wall structure connection node according to an embodiment of the present invention;

fig. 14 is a schematic structural view of a straight wall structure connecting ring beam according to an embodiment of the present invention;

fig. 15 is a schematic structural view of a T-shaped wall structure connection node according to an embodiment of the present invention;

fig. 16 is a schematic structural view of a T-shaped wall structure connecting ring beam according to an embodiment of the present invention;

fig. 17 is a schematic structural diagram of an L-shaped wall structure connection node according to an embodiment of the present invention;

fig. 18 is a schematic structural view of an L-shaped wall structure connecting ring beam according to an embodiment of the present invention;

figure 19 is a schematic structural view of a construction post in connection with a structural beam according to an embodiment of the present invention;

fig. 20 is a schematic structural view of a cloth ash shovel according to an embodiment of the present invention;

fig. 21 is a process flow diagram of a construction process of a plastering-free, concealed conduit and slotting-free secondary structure wall according to an embodiment of the present invention;

in the figure: 1. a first steel member; 2. constructing a column; 3. building blocks; 3-1, a first locking opening building block; 3-2, second locking notch building blocks; 3-3, a third locking notch building block; 3-3-1, a notch; 3-4, a fourth locking notch building block; 3-4-1, reserving short pipes; 3-4-2, a junction box; 3-4-3, a dark wiring pipe; 3-5, a fifth locking notch building block; 3-6, a sixth locking notch building block; 4. a wall body; 4-1, stretching a rib; 5. a ring beam; 5-1, a second steel member; 6. a structural beam; 6-1, reinforcing steel bars; 7. a cloth ash shovel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1-10, according to the embodiment of the present invention, a plastering-free, concealed pipe-free and slotting-free secondary structure wall comprises a first steel member 1 pre-embedded on a floor, a constructional column 2 is welded on the upper portion of the first steel member 1, at least one side surface of the constructional column 2 is connected with a wall 4 formed by riveting a plurality of building blocks 3, each building block 3 has a mortar joint, a support node of the wall 4 is provided with a ring beam 5, the ring beam 5 is welded with a contact part of the constructional column 2 through a second steel member 5-1 pre-embedded on the end part of the ring beam 5, the top of the constructional column 2 is fixedly connected with the structural beam 6, the building block 3 comprises a first locking building block 3-1, a second locking building block 3-2, a third locking building block 3-3, a fourth locking building block 3-4, a fifth locking building block 3-5 and a sixth locking building block 3-6, the building blocks are vertically adjacent to each other, the building blocks 3 are provided with a mortar joint, and an adhesive is filled in the mortar joint.

As shown in fig. 11 and 12, in an embodiment of the present invention, the constructional column 2 is an assembled H-shaped steel column formed by welding Q235 steel plates, wherein a cavity portion of the H-shaped steel column is filled with C20 concrete; the constructional column 2 is an assembled rectangular steel column formed by welding Q235 steel plates.

As shown in fig. 19, in an embodiment of the present invention, the structural beam 6 at the upper portion of the H-shaped steel column is provided with a downwardly extending reinforcing bar 6-1, and the reinforcing bar 6-1 is welded to the middle plate of the H-shaped steel column.

As shown in fig. 21, according to another aspect of the present invention, there is provided a construction method for a secondary structure wall body with plastering-free wall body and slot-free concealed pipe, comprising the following steps:

s1, measuring and setting out according to design requirements, drawing the pre-embedded position of a first steel member 1 and the structural trend of a wall body 4 on a floor, and designing typesetting and building of the wall body 4, wherein the typesetting of the wall body 4 follows the principle of designing and arranging from top to bottom and from an opening to two sides;

s2, manufacturing a required first steel member 1, a required constructional column 2 and a required building block 3 according to the structural trend of a wall 4, installing the first steel member 1 according to a pre-buried position, welding and installing the bottom of the constructional column 2 on the first steel member 1, and fixedly connecting the top of the constructional column 2 with a structural beam, wherein the constructional column 2 needs to be painted, and surface sand blasting and rust prevention treatment needs to be carried out before painting;

s3, after the structure in the S2 is qualified, cleaning up floating slurry and residues on the floor, removing oil stains on the surface, washing and drying;

s4, building the building blocks 3 according to the structural trend of the wall body 4 in the S1, and specifically comprises the following steps:

s41, determining the direction of a pipeline according to the leading-out point of a pre-buried pipeline in a structural wall, and connecting a hidden vertical pipeline in the wall according to a 4-position line of the wall body;

s42, wetting a floor base layer, leveling by cement mortar, adjusting the horizontal height of the building block 3 of the first layer, and selecting the building block 3 with a proper type for construction according to the block type specification and the applicable position of the building block 3, wherein the construction sequence comprises the steps of building an outer peripheral wall and building an inner partition wall;

s43, when the building blocks 3 are laid upwards, the building blocks 3 on the upper layer and the lower layer are arranged in an occlusion type mortar joint mode, and the joints are occluded and built, so that the wave-shaped grooves between the upper plane and the lower plane of the building blocks 3 are occluded with each other, and a stable mortise and tenon structure is formed;

s44, uniformly smearing the mixed bonding mortar on the surface of the laid building block 3 and a vertical seam formed by horizontally adjacent building blocks 3 through a mortar distributing shovel, and placing the continuously laid building blocks 3 on a mortar laying layer according to a line hanging position, wherein the mortar seam thickness is controlled to be not more than 4mm, and after each two layers of building blocks 3 are laid, the verticality and the flatness are required to be checked respectively until the completion;

s5, checking and accepting construction quality;

s6, performing outer wall waterproofing, polishing and putty coating construction and wall surface layer decoration construction; the wall body 4, the structural wall and the structural column are tied by adopting a bar planting method, and the tie bars in the wall body 4 are arranged in mortar joints formed among the building blocks 3.

As shown in fig. 13-18, in an embodiment of the present invention, in S2, the wall 4 is a straight wall structure, and an H-shaped steel column is used, and the middle plate is perpendicular to the wall; the wall body 4 is a T-shaped wall or a cross-shaped wall structure and adopts an H-shaped steel column; the wall body 4 is an L-shaped corner wall structure and adopts rectangular steel columns.

In a specific embodiment of the utility model, in S4, when wall 4 highly is greater than 4m, should set up ring roof beam 5 in 1/2 department of wall 4, ring roof beam 5 adopts prefabricated reinforced concrete structure, and the prefabricated hoist and mount of segmentation, and segmentation length is not more than 3m.

In an embodiment of the present invention, the ring beam 5 is welded to the constructional column 2 through the second pre-embedded steel member 5-1 of the beam end, the ring beam 5 is fixedly installed to the masonry wall through the mortar sitting, and the adjacent ring beam 5 is welded through the second pre-embedded steel member 5-1 of the beam end.

As shown in fig. 20, in an embodiment of the present invention, the ash distribution shovel is provided with wave-shaped teeth matching with the wave-shaped grooves on the upper surface of the building block 3.

In a specific embodiment of the present invention, in S44, the configuration method of the bonding mortar specifically includes: the adhesive mortar is prepared by adopting a weight ratio that dry powder adhesive and water are = 4: 1, the dry powder adhesive is added into a clean container, then the dry powder adhesive is added according to a proportion, the mixture is stirred into a uniform thick paste by a hand-held electric stirrer without agglomeration and air bubbles, the mixture is kept stand for 5 to 10 minutes and is stirred again for 1 to 2 minutes, if the mixture is stirred again, no water is needed, the stirred adhesive mortar is used up within 4 hours, and the mixture is stirred once every 30 minutes in use.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.

1. Manufacturing and installing a constructional column:

the constructional column 2 adopts the light steel construction of assembled, and the model is H shaped steel post and rectangle steel column, and the material is Q235B, and forming process adopts the submerged arc automatic weld, and during the major structure construction, along with floor construction progress, utilize tower crane successive layer hoist and mount, bottom and floor pre-buried first steel member 1 welding position, the top is passed through steel bar welding anchor.

(1) Fabrication of structural columns 2

The material and the standard thereof are selected, the Q235B material with the thickness of 12mm is selected as the steel plate of the constructional column 2, the mechanical property and the contents of carbon, sulfur, phosphorus, manganese, silicon and the like must meet the requirements of the standards of carbon structural steel (GB/T700), low-alloy high-strength structural steel (GB/T1591) and steel plate for building structures (GB/T19879-2005); the welding rod should meet the regulations of the national current standard of carbon steel welding rod GB/T5117 and low alloy steel welding rod GB/T5118; the performance indexes of the welding flux of the submerged-arc automatic welding wire respectively meet the regulations of 'steel wire for fusion welding' GB/T14957, 'carbon steel welding wire and welding flux for submerged-arc welding' GB/T5293, 'low alloy steel welding wire and welding flux for submerged-arc welding' GB/12470, and the grade of the selected welding wire must be matched with the corresponding steel grade and the components of the welding flux.

The main machines and tools adopt a numerical control plasma cutting machine, an H-shaped steel straightening machine, an H-shaped steel assembling machine, a shot blasting machine, an assembling jig frame, a submerged arc welding machine, a sand mill, a baking gun, a cutting torch and the like; the main measuring tools comprise a steel ruler, a flat ruler, a clearance gauge, an angle ruler, a welding line gauge and the like.

The manufacturing process flow comprises steel plate correction, lofting and material marking, steel plate cutting, assembly welding forming and correction acceptance, the constructional column 2 is formed by submerged arc automatic welding in a processing plant, the height is-150 mm from a floor plate to the bottom of a beam plate, and the welding process is in accordance with relevant regulations of building steel structure welding regulations (JGJ 81-2002); the constructional column 2 is assembled by an assembling machine, gas shielded welding is adopted for tack welding, before assembly, the H-shaped steel column wing plate and the middle plate need to be straightened, four longitudinal seams are symmetrically welded, before formal welding, welding process evaluation is carried out, the optimal voltage, current and welding speed are determined, so that the welding quality is ensured, and the allowable deviation of the constructional column 2 is in accordance with the specification of the following table.

Tolerance of steel column fabrication

Performing surface sand blasting antirust treatment on all components before painting, and removing sand blasting traces and dust on the surfaces by adopting anhydrous and oilless compressed air or vacuum cleaning after sand blasting cleaning; painting secondary primer and primary finish paint in a processing plant, wherein the total thickness of the paint is not less than 70 mu m, and the surface of the coating is ensured to have consistent color, flatness and smoothness and have no defects of sagging, scars, shrinkage cavities, wrinkling and the like.

(2) Setting of pre-buried first steel member 1 of column base

The constructional column 2 is welded and installed by utilizing the pre-embedded first steel member 1 at the column base position on the floor during the construction of the main body structure, the installation precision of the pre-embedded first steel member 1 is retested before the constructional column 2 is installed, and the installation allowable deviation meets the following regulation;

mounting allowable deviation of pre-buried first steel member 1

Order of item	Item	Tolerance deviation/mm
			1	Elevation (L)	+3
2	Levelness degree	L/1000
			3	Displacement of axis	3

(3) Hoisting of constructional column 2

The constructional column 2 numbers according to the drawing position before dispatching from the factory to pop out constructional column 2 respectively and indulge horizontal center line on constructional column and pre-buried first steel member, during the major structure construction, constructional column 2 is along with floor construction progress, utilize tower crane successive layer hoist and mount, after the cast-in-place completion of floor, in time survey and put location axis and wall body sideline, later can hoist and mount constructional column 2, the column type setting is confirmed according to the constructional position of constructional column 2 in the wall body, specifically as follows:

h-shaped steel columns are adopted in the straight walls, and the middle plates are vertical to the walls; the T-shaped wall and the cross-shaped wall adopt H-shaped steel columns; and rectangular steel columns are adopted at corners of the L-shaped wall.

The hoisting process of the constructional column 2 comprises binding, hoisting, alignment, temporary fixing, correction and welding fixing, the strength of the steel wire rope and the sling is rechecked before the constructional column 2 is hoisted, defects and potential safety hazards are detected, a point straight hoisting and binding method is adopted for facilitating the hoisting and alignment of the constructional column 2, a steel plate type iron carrying pole is hung on a lifting hook, the sling is prevented from being wound and rubbed, the verticality of the constructional column 2 after hoisting is ensured, and a traction rope is bound on a column foot to adjust the locating direction.

The tower crane hoisting constructional column 2 is in place, when the height is 20-30 cm higher than the first steel member 1 of the column base, the tower crane is stopped to be hoisted and righted, the central line of the column is adjusted to be aligned with the central line on the embedded part, the tower crane is commanded to fall slowly and then is supported and fixed temporarily, the verticality of the column body is checked by utilizing a verticality detection ruler, the steel tube support rod or the cable wind rope is used for correction, and if the local part of the base layer is uneven, the steel base plate can be wedged for adjustment. And after correction, the column base and the embedded part are welded and fixed, manual electric arc welding is adopted for single-side continuous welding, the height of a welding line is 5mm, the temporary support cannot be detached during welding, and displacement and overturning are prevented.

(4) Nodal connection at the top of the constructional column 2

And (3) reserving the joint connection length when the constructional column 2 is manufactured, wherein the column top is lower than the beam slab bottom by 150mm, steel bars are embedded at the beam slab bottom corresponding to the position of the middle plate of the constructional column 2, the type of the steel bars is phi 20, the steel bars are welded and anchored with the middle plate of the column top, manual electric arc welding is adopted for double-sided continuous welding, and the height of a welding line is 10mm.

2. Building an occlusion type locking block wall:

the novel plastering-free masonry technology is adopted for the non-bearing enclosure wall body and the inner partition wall, the non-bearing enclosure wall body and the inner partition wall body are masonry by adopting special fore shaft building blocks and special bonding mortar, the masonry mortar joint is 4mm, and the joint of the masonry mortar joint and the constructional column 2 is tied by using 2 phi 8 lacing wires.

(1) Prefabrication of locking building blocks

The locking opening building block is formed by pressing lightweight aggregate concrete with a special mould, the strength grade is LC15 (axial compressive strength fck =10Mpa, axial tensile strength ftk =1.27 Mpa), the specification size is 400 × 240 × the wall thickness, and the locking opening building block has the characteristics of reasonable structure, fine size, light weight, heat insulation, water resistance, fire resistance and the like. Unique wave form groove design in plane about the building block, cooperation thin seam masonry technology can form interlock type tenon fourth of the twelve earthly branches formula mortar joint between the building block layer, not only can improve masonry structure bulk strength and stability, can arrange the wall body lacing wire in the mortar joint and apply secretly simultaneously, the manual process of seting up the recess has been cancelled, more do benefit to the implementation of thin seam masonry technology, and interlock type mortar joint has effectively prevented the wall body size deviation that the building block displacement caused, show the straightness and the roughness that improve the wall body, it is more accurate to ensure to build the quality, realize the wall body and exempt from the function of plastering. In addition, the special pipe distribution building blocks and the embedded line box building blocks are matched for use, so that the construction sequence of 'pipe distribution first and masonry later' can be met, and the effect of avoiding grooving of the concealed laying line pipe of the wall body is achieved.

The first locking port building block 3-1 is generally provided with a second locking port building block 3-2 at the upper part of a wall body for mounting the connecting part of the wall body 4 and an H-shaped steel column, a groove corresponding to the first locking port building block is designed, one side of a third locking port building block 3-3 is provided with a notch 3-3-1 which penetrates through the third locking port building block from top to bottom and is used for forming a channel for concealed pipe mounting, the upper part of a fourth locking port building block 3-4 is provided with a reserved short pipe 3-4-1 corresponding to the notch 3-3-1, the other end of the reserved short pipe 3-4-1 is communicated with a junction box 3-4-2 arranged on the side face of the fourth locking port building block 3-4, a fifth locking port building block 3-5 is generally arranged at the lower part of the wall body, and a sixth locking port building block 3-6 is used for mounting in a middle layer.

Technical indexes of locking port building blocks

The matched dry powder bonding mortar is selected as the masonry adhesive, and the performance indexes are shown as follows;

performance index of special adhesive mortar

Item(s)	Item	Unit of	Technical index
				1	Appearance of the product	——	The powder is uniform and has no agglomeration
2	Pressure-resistantStrength of	MPa	≥5.0
				3	Water retention rate	％	≥99
4	Degree of fluidity	mm	120～150
				5	Flexural strength	MPa	≥2.2
4	Tensile bond strength	MPa	≥0.6
				5	Density of	kg	≤1800
	Shrinkage rate	％	≤0.3

(2) Special bonding mortar mixing system

The method for mixing the bonding mortar comprises the following steps: the adhesive is prepared according to the weight ratio that the dry powder adhesive and the water are = 4: 1, the dry powder adhesive is firstly added with the water in a clean container, then the dry powder adhesive is added according to the proportion, the mixture is stirred into uniform thick paste by a hand-held electric stirrer without agglomeration and air bubbles, the mixture is kept stand for 5 to 10 minutes and is used after being stirred for 1 to 2 minutes again, and the water is not needed when the mixture is stirred again. The mixed bonding mortar should be used up within 4 hours, and the mixed bonding mortar is stirred once every 30 minutes in use, and the dried mortar cannot be used.

The thin joint masonry process adopts a special mortar distributing shovel 7 for building, the wave-shaped teeth on the shovel plate 7 are matched with the wave-shaped grooves on the upper plane of the fore shaft building block and are provided with tooth point structures capable of controlling the mortar joint thickness, and the mortar distributing shovel 7 can be used for uniformly plastering bonding mortar on the surface of the lower building block during building.

3. Building a filler wall:

(1) Basic unit processing, after the major structure is qualified through inspection, the laitance and the residue on the floor surface are cleaned, the greasy dirt on the surface is removed, and the floor is dried after being washed clean.

(2) Measuring and paying off, namely paying off a central line, a side line and a door and window opening position line of the wall body 4 on a floor according to a design drawing and a positioning axis, leading out a detection control line 200mm away from the side line of the wall body 4, popping up the ink line on the floor by using an ink fountain, leading the central line of the wall body 4 to a main structure wall and a column, and marking by using red paint; simultaneously, a measuring and marking altitude is led, a control line of building elevation +0.5m is popped on a structural wall and a structural column, a leather number rod is arranged, the position of the leather number rod is arranged at the corner of a wall body 4, the leather number rod is vertical and firm and has consistent elevation, the rubber number rod is made of 30mm multiplied by 40mm battens, and the height of building blocks of each layer, the distance between tie bars 4-1, the elevation of a ring beam 5 and a lintel, a door and window opening and the change part of a vertical structure are marked; and (4) checking and cleaning the hydropower embedded pipeline, and measuring the ground clearance and the accurate position of the junction box according to the electromechanical professional installation drawing.

(3) Typesetting the wall body, namely typesetting the wall body 4 according to a design drawing and the sizes of all parts of the masonry in combination with the port position of a hidden wiring pipe of the wall body 4, drawing a block arrangement diagram, and formulating an economic and reasonable assembling and building method convenient to operate; before building, the BIM technology is applied to position and count spatial positions of all building block arrangement, ring beams 5, constructional columns, door and window openings and concealed laying pipelines in advance, and meanwhile, specification and quantity of various building blocks and sizes and use positions of non-standard building blocks are gathered in advance, so that material purchasing and processing are accurately arranged, material loss is reduced, building efficiency is improved, masonry size deviation is avoided, and the plastering-free purpose of a wall body is achieved.

The typesetting of the wall body 4 is carried out according to the principle of designing and arranging from top to bottom and from the opening to two sides, standard building blocks are used as much as possible for building, and the positions of the standard building blocks, the matched building blocks, the non-standard building blocks and the like are marked on the typesetting graph according to the design requirements.

(3) Placing bricks, wherein trial placement is performed according to a typesetting drawing of a wall body 4 before building a first layer of building blocks, whether the sizes of the typesetting drawing and the skin number rod are in accordance with the actual sizes or not is corrected, and the overlapping length of the upper layer building block and the lower layer building block is determined by trial placement so as to be not less than 1/3 of the length of the building blocks; the non-standard building blocks are arranged at the unobvious positions of the wall body 4 during trial arrangement, the specification and the using amount of the non-standard building blocks are reduced as much as possible, and the workload of cutting the building blocks is reduced; the positions of the row bricks and the door and window openings of each floor are consistent with the bottom layer. ₁₄

(4) The filling wall is built by wetting the base layer, leveling with cement mortar and adjusting the horizontal height of the first layer of building blocks. Building the peripheral wall and then the inner partition wall, building the peripheral wall and then the inner partition wall according to a layout from corners of the wall body 4, four corners of the outer wall and the junction of the inner wall or positioning building blocks, building corner bricks firstly to enable the thickness of brick layers and mortar joints to be consistent with that of a leather number rod, then drawing through a line to build the middle part, and correspondingly selecting building blocks with proper models according to the block type specification and the applicable parts of the fore shaft building blocks for construction.

The building method comprises the steps of ensuring up-down staggered joints, performing joint interlocking and lapping at joints, positioning building blocks according to a layout, cleaning the mortar paving surface of the building blocks by using a brush, uniformly smearing mixed bonding mortar on the surface of a lower layer of building blocks and the end heads of vertical joints of the building blocks by using a mortar distributing shovel 7, placing an upper layer of the building blocks on a mortar paving layer according to a hanging line position, closing and placing adjacent building blocks to be flat, enabling wave-shaped grooves between the upper plane and the lower plane of a locking building block to be mutually matched to form an occlusion type tenon-mortise structure, tapping the building blocks from outside to inside by using a rubber hammer, lightly compacting from vertical to enable the bonding mortar to overflow from mortar joints, scraping the overflowing bonding mortar in time, controlling the mortar joint thickness to be not more than 4mm, requiring the fullness of a horizontal mortar joint to be not less than 90%, requiring the fullness of the vertical mortar joint to be not less than 80%, checking the verticality and the flatness after building 2 layers of building blocks, ensuring that the building blocks are horizontally flat and mortar joints are not allowed to run without filling, and the phenomena of cracks, such as open joints, false joints, transparent joints, false joints and the like.

Wall corner and handing-over position should build by laying bricks or stones simultaneously, need build into oblique combed to the temporary department of must keeping somewhere not building by laying bricks or stones simultaneously, and oblique combed horizontal projection length should not be less than the 2/3 of height, and during the joint, it cuts up the joint earlier to handle, wipes bonding mortar again and connects the building.

The required non-standard building blocks are cut and processed by adopting a portable electric saw according to the layout, the block type is ensured to be regular and square, and a gray shovel or a cleaver is strictly forbidden to be used for cutting; the building height can not exceed 1.8m every day at normal temperature, and the building blocks after building can not move or be impacted.

4. And (3) constructing node processing:

(1) The filler wall is connected with the structural wall and the column, the tie of the filler wall and the structural wall and the column adopts a bar planting method, and the structural wall and the column are vertically arranged by every two layers of building blocks

The length of the tie bars 4-1 extending into the wall body needs to meet the design requirements, and the tie bars 4-1 in the wall body 4 are arranged in the wave-shaped mortar joints and are hidden. The material adopts JGN type bar planting structural adhesive, and the process flow is as follows: positioning and paying off, cleaning a base layer, blanking reinforcing steel bars, drilling holes, cleaning holes, drying in the holes, modulating structural adhesive, filling an injection tube, injecting glue, anchoring ribs, curing, maintaining and checking. After the bar planting is finished, the next procedure construction can be carried out after the field drawing test is qualified.

(2) The filler wall is connected with the constructional column

At the joint of a straight wall and a constructional column 2, a middle plate of an H-shaped steel column is perpendicular to a wall body, a second fore shaft building block 3-2 is adopted, one end of the building block is provided with a 80mm long throat, the throat end of the building block extends into a space between wing plates on two sides of the H-shaped steel column to be jacked into the middle plate, 2 phi 8U-shaped tie bars are welded on every two layers of vertical building blocks on the middle plate and are tied with the wall body, the tie bars are arranged in wave-shaped mortar joints among the building blocks to be hidden-coated, and the length of the tie bars extending into the wall body meets the design requirement.

At the connecting positions of the T-shaped wall and the cross-shaped wall and the constructional column 2, the H-shaped steel column intermediate plate is perpendicular to the long-direction wall body, the long-direction wall body adopts a second locking port building block 3-2, and the construction form is connected with a straight wall; and 3-6 top building wing plates of sixth fore shaft building blocks are adopted in the other direction, 2 phi 8U-shaped tie bars are welded on every two layers of vertical building blocks on the wing plates and are tied with the wall body, the tie bars are arranged in the wavy mortar joints among the building blocks and are hidden-laid, and the length of the tie bars extending into the wall body meets the design requirement.

At the joint of the L-shaped wall and the constructional column 2, rectangular steel columns are built on the vertical and horizontal walls through sixth locking building blocks 3-6, 2 phi 8U-shaped tie bars are welded to every two layers of vertical building blocks on the column plate and tied with the walls, the tie bars are arranged in wavy mortar joints among the building blocks for concealed laying, and the length of the tie bars extending into the walls meets the design requirements.

(3) Lintel installation for door and window opening

The prefabricated reinforced concrete lintel is adopted, the top of the wall body at the support is built and leveled by using the first locking block 3-1, mortar is laid at the upper part of the building body at the joint of the lintel and the wall body, the lintel is installed by sitting the mortar, and the lap joint length of the lintel and the wall body is not less than 250mm.

(4) Wall capping joint

When the wall body is capped, the first locking block 3-1 is used for building and leveling, and the column top and the anchoring steel bars of the structural beam plate are wrapped and built to be sealed; and a horizontal gap of 20mm is reserved between the wall top and the bottom of the structural beam plate, and after the masonry shrinks stably, the gap is filled and leveled to the wall surface by adopting a polyurethane foaming agent.

(5) Quality acceptance

The allowable deviation and the inspection method of the occlusal locking block wall body meet the specifications of the following table.

Permissible deviation and inspection method of interlocking type locking port building block wall

5. Prefabricating and installing a ring beam:

when the height of the wall is larger than 4m, a reinforced concrete ring beam 5 is arranged at the height of 4/2 of the wall body, the ring beam 5 adopts a prefabricated reinforced concrete structure, the cross section size is 240 × the wall thickness, the ring beam is prefabricated and hoisted in sections, the length of each section is not more than 3m, and the ring beam 5 is welded and anchored with the connecting node of the constructional column 2 and the adjacent beam sections through the embedded second steel members 5-1 at the two ends of the ring beam 5.

(1) Ring beam prefabrication, during the construction of a main body structure, according to the size of a wall body 4 and the distribution positions of constructional columns 2, combining a wall body layout pattern, counting the arrangement positions and the number of all ring beams 5 in a masonry, decomposing the prefabricated section specification and size of the ring beams 5 by applying a BIM technology, and reducing the number of non-standard beam sections as much as possible so as to improve the turnover efficiency of a mold and avoid the size deviation of the assembled beam sections; the prefabricated ring beam 5 adopts the configuration of the stressed steel bars

The stirrup is

The strength grade of concrete must accord with the design requirement, and ring roof beam 5 both ends set up 12mm thick steel sheet built-in fitting, and built-in steel sheet upper portion and both sides edge cutting are for taking the unilateral V-arrangement groove of blunt edge to with weld between the constructional column and be connected.

(2) The ring beam 5 is installed, the top of the wall body at the support of the ring beam 5 is built and leveled by using the first locking block 3-1, mortar is laid on the wall body 4, the ring beam 5 is installed in a segmented mode, and the mortar is stably placed after being lifted by a small lifting machine.

(3) The construction joint treatment, namely, the joint of a ring beam 5 and a construction column 2 on a straight wall, a beam end pre-embedded second steel member 5-1 is vertically welded with wing plates on two sides of an H-shaped steel column, a column core is filled with C20 concrete, and the two ring beams 5 are welded by the beam end pre-embedded second steel member 5-1; the connection part of a ring beam 5 and a constructional column 2 on the T-shaped wall and the cross-shaped wall, the ring beam 5 of the longitudinal wall is vertically welded with wing plates on two sides of an H-shaped steel column through a pre-embedded second steel member 5-1, and a column core is filled with C20 concrete; the ring beam 5 in the other direction is welded with the plane of the steel column wing plate through the embedded second steel member 5-1, and the two ring beams 5 are welded by utilizing the embedded second steel member 5-1 at the beam end; the joint of the L-shaped wall upper ring beam 5 and the constructional column 2, the longitudinal and transverse ring beams 5 are welded with the rectangular steel column plane through the embedded second steel members 5-1, and the two ring beams 5 are welded by the beam end embedded second steel members 5-1.

(4) The beam column joint welding process has the following welding technical requirements:

the connection between the ring beam 5 and the constructional column 2 and the connection between the adjacent beam sections of the ring beam 5 adopt full penetration butt welding seams (manual electric arc welding), and the welding process and the size of the groove on the steel plate are in accordance with the relevant regulations of the national standard GB 985.

After welding the beam column joint groove, removing welding roots on the back of a welding seam, and performing repair welding and sealing by using a fillet weld to ensure the welding quality, wherein the penetration weld is a first-stage weld, and the fillet weld is three-stage; the size of the fillet weld is not less than 6mm, and the length of the weld is full weld.

And (3) setting a welding sequence in detail by taking stress and strain control as a standard, welding the beam column from the beam column connecting node to form a whole structure, then expanding and welding leftwards and rightwards, finally folding at the column distance middle ring beam splicing part, and strictly forbidding to arrange a folding welding opening at the part with concentrated member stress.

Welding construction process

a. Preheating: in order to ensure the welding quality, particularly during winter construction, a welding area is preheated to a specified temperature, the preheating area is within 100mm of the periphery of a welding line, oxygen acetylene flame is used for preheating, the heating is carried out until the lowest preheating temperature is increased by 10 ℃, the preheating heat is uniformly distributed, and the matrix is prevented from being damaged by excessive fire.

b. Welding: two persons should symmetrically weld at the same time when the components are butted, so that welding deformation and residual stress are reduced; the weld groove adopts a single-side V-shaped groove, the welding is carried out in a lamination mode from the bottom of the groove during welding, enough thickness is guaranteed to prevent tensile cracking during bottoming, the middle layer is not too thick, and a line foot is reserved on the edge of the groove in front of the cover surface and serves as a datum line; manual electric arc welding bottom layer

Or

Welding rod with intermediate layer of welding seam

And welding with the welding rod.

c. And (3) inspecting welding seams: after each welding line is welded, welding slag and splashes are cleaned, after welding is finished, firstly, molten slag on the surface and splashes on two sides are cleaned, then, welding line inspection is carried out, and the inspection method is carried out according to the acceptance and acceptance criteria of construction quality of steel structure engineering; all welding seams need to be subjected to appearance inspection, the surface of the welding seams is strictly forbidden to have defects such as cracks, slag inclusion, welding beading, welding penetration, arc pits, air holes and the like, the overall dimension of the welding seams is in accordance with the specification of the existing national standard 'steel structure welding seam overall dimension', in addition, 10% of all welding seams are extracted, and the manual ultrasonic flaw detection method is adopted to carry out nondestructive flaw detection on the welding seams.

6. The wall body hidden wiring pipe is installed without slotting:

the scheme of 'piping first and building later' is adopted, a hidden laying pipe of a wall body 4 is led out from an embedded pipe in a structural beam plate, vertical pipes are connected according to the direction of pipe arrangement, the position of each pipe is built by using a third locking port building block 3-3 for covering the pipe, a junction box 3-4-2 is built by using a fourth locking port building block 3-4 embedded in a junction box in advance, a reserved short pipe 3-4-1 on each building block corresponds to the position of the hidden laying pipe 3-4-3, the building blocks are connected by using a sleeve, and a pipe opening and the junction box 3-4-2 are temporarily plugged for protection.

(1) Connecting vertical line pipe

During the major structure construction, electric spool is pre-buried in cast-in-place beam slab and reserves a port, confirm the pipeline trend according to the leading-out point of pre-buried spool in the beam slab, connect the vertical spool 3-4-3 of applying in the wall secretly before 4 masonry of wall body, the spool is connected and is adopted the sleeve pipe bonding method to connect, sleeve pipe length is not less than 3 times of external diameter of pipe, the coupling is located the sleeve pipe center, evenly paint the adhesive on the outer wall of pipe with little brush, insert the spool and glue firmly in the sleeve pipe. After bonding, the adhesive is not displaceable within 1 minute, and has long-lasting adhesion and water resistance. After being connected, the vertical pipe is positioned in the middle of the wall thickness, and temporary fixing measures are taken.

Vertical spool connects to the height of switch box, socket box, when upwards connecting the spool from the floor, corresponds the vertical center point of spool, goes into the cement steel nail at upper portion beam slab bottom nail, and the ligature of 1 piece 0.5mm steel wire of vertical fixation and spool end guarantees that the spool is upright, treats that the wall body builds and demolishs the steel wire when reaching the socle.

(2) Special building block packaging and building

The vertical spool position adopts third fore shaft building block 3-3 to wrap the pipe and build, utilize the lateral preformed groove 3-3-1 of the building block as the cavity pocket of the nested hidden laying spool 3-4-3, hide spool 3-4-3 in the cavity pocket to apply in a hidden way, according to the actual position of spool 3-4-3, can turn over the third fore shaft building block 3-3 and use, adjust the actual position of the building block cavity pocket relative to spool 3-4-3 flexibly.

The junction box 3-4-2 adopts a fourth locking port building block 3-4 pre-buried in the junction box, the length of the junction box is reserved during the blanking of the line pipe, the port position of the hidden line pipe 3-4-3 is combined during the typesetting of the wall building block, the reserved short pipe on the fourth locking port building block 3-4 is ensured to correspond to the hidden line pipe 3-4-3, the connection is realized by adopting the splicing of a sleeve, the pipe joint is positioned in the center of the sleeve, the pipe orifice in the junction box 3-4-2 is blocked by a pipe cap, and then the junction box is sealed by foam plastic for protection.

When a line pipe needing to be horizontally arranged is met, the line pipe is longitudinally arranged in a wave-shaped groove of the building block, the upper layer building block is built by using a fifth locking notch building block 3-5, the wave-shaped groove of the laid line pipe is filled with bonding mortar, the horizontal line pipe is vertically bent again after extending to a required position, and a third locking notch building block 3-3 with a notch 3-3-1 is used for wrapping and building to a designed position.

(3) Pipe sweeping threading wire

After the wall 4 is built, the pipe is swept in time, the position where the pipe is blocked is treated in advance, and after the pipeline is confirmed to be unblocked, the strip line is threaded in time and adopted

The steel wire is characterized in that one end of the steel wire is bent into an unsealed ring, a threading device is utilized to thread a strip line into a line pipe, and two ends of the line pipe are provided with a threadThe margins of 10-15 cm are reserved for wiring construction. Meanwhile, finished product protection is enhanced, and the phenomenon of secondary pipe blockage is prevented.

In conclusion, by means of the technical scheme of the utility model, the quality common fault that the secondary structure concrete quality is rough is solved, the masonry quality of the filler wall is obviously improved, and the plastering-free effect of the wall body is realized; the technical measures of special pipe arrangement building block wrapping and building and pre-embedded wire box matched building block assembly are adopted, the effect of avoiding grooving of the wall concealed wiring pipe is achieved, energy conservation and environmental protection are promoted, and the effect is good.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. The utility model provides a exempt from to plaster, hidden pipe and exempt from grooved secondary structure wall body, includes pre-buried first steel member (1) on the floor, its characterized in that, first steel member (1) upper portion welding has constructional column (2), at least one side of constructional column (2) is connected with wall body (4) that are formed by the riveting of a plurality of building block (3), every there is the mortar joint between building block (3), the support node of wall body (4) is equipped with collar tie beam (5), collar tie beam (5) through pre-buried second steel member (5-1) at its tip with the contact department welding of constructional column (2), the top and the structural beam (6) fixed connection of constructional column (2), building block (3) are including first fore shaft building block (3-1), second fore shaft building block (3-2), third fore shaft building block (3-3), fourth fore shaft building block (3-4), fifth fore shaft building block (3-5) and sixth fore shaft building block (3-6), and the building block (3-1) is adjacent from top to bottom be the mortar joint building block (3) and set up the mortar joint and be the mortar joint, the brickwork type adhesive.

2. The plastering-free, concealed pipe and grooving-free secondary structural wall body as claimed in claim 1, wherein the constructional column (2) is a fabricated H-shaped steel column welded by Q235 steel plates, wherein a cavity part of the H-shaped steel column is filled with C20 concrete; the constructional column (2) is an assembled rectangular steel column formed by welding Q235 steel plates.

3. The plastering-free, concealed pipe and grooving-free secondary structural wall body as claimed in claim 2, wherein the structural beam (6) at the upper part of the H-shaped steel column is provided with a downwardly extending reinforcing steel bar (6-1), and the reinforcing steel bar (6-1) is welded with the middle plate of the H-shaped steel column.

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