160results about How to "Avoid slurry leakage" patented technology

The invention discloses an improved concrete wall and column construction method. The method comprises the steps of pre-cleaning, basic steel bar binding, locating steel bar welding, angle steel mounting, limiting steel bar welding, formwork mounting, concrete pouring, mold removal cleaning and the like. The mode of carrying out synchronous mounting construction on roots of concrete walls and columns through angle steel and formworks is adopted, the construction progress is quick, the work load is small, the angle steel can be cyclically used many times, construction cost is saved, the situation of root rotting and slurry leaking can be avoided well, and the roots of the concrete walls and columns are formed attractively.

The invention discloses a spliceable precision building template system which is provided with two panels and reinforced ribs for connecting the two panels, wherein connecting heads (9) are formed on the splicing sides spliced with adjacent templates; seen from the cross section of the template, each connecting head (9) comprises a chuck (1) protruding towards the adjacent template, a clamping groove (2) and a connecting mechanism (4); the clamping groove (2) is inwards concaved relative to the protruding direction of the chuck (1); the connecting heads (9) of the adjacent templates are combined together by using the connecting mechanism (4); and the chuck (1) is suitably embedded into the clamping groove (2); and outer surfaces of the panels at two sides of the adjacent templates are positioned on the same plane at the same side. The building template with the structure can be freely spliced; after splicing, a joint is tight and favorable integrity is achieved; and after grouting, the probability of slurry leakage is low.

The invention discloses a fissure-contained rock soil stratum prestressed anchor cable grouting and anchoring construction method. Multiple prestressed anchor cables uniformly distributed on the same one plane are adopted to reinforce a slope to be reinforced; the method comprises the following steps: (1) the rock mass joint fissure development degree of each rock stratum is determined; (2) the lengths of anchoring sections and the hole port positions of anchor cable holes are determined; the prestressed anchor cables include anchor cable bodies, primary grouting pipes and secondary grouting pipes; anchoring tools are mounted at the back ends of the anchor cable bodies; and the anchor cable bodies include multiple steel strands; and (3) the prestressed anchor cables are grouted and anchored: when any one prestressed anchor cable is grouted and anchored, the construction includes the steps of drilling, placement of the anchor cables, normal-pressure grouting, high-pressure grouting, tensioning of the anchor cables and anchor sealing. The method is simple in steps, reasonable in design, convenient to construct, high in construction efficiency and excellent in use effect, and can conveniently and quickly finish the reinforcing process of the slope to be reinforced; and the adopted prestressed anchor cables are low in cost and higher in anchoring force, and can effectively reinforce the slope to be reinforced.

The invention discloses a masonry wall constructional column forming method. The masonry wall constructional column forming method comprising the following steps that S1, a constructional column forming gap is reserved at the corresponding position of a masonry wall; S2, a constructional column formwork is prefabricated, the constructional column formwork includes a front formwork, a rear formworkand a concrete push hopper with the lower end attached to the upper end of the front formwork, and the concrete push hopper includes a hopper and a push plate slidingly installed in the hopper; S3, preparation is made for installation; S4, the front formwork and the rear formwork are installed; S5, the concrete push hopper is installed, the upper end of the concrete push hopper and the upper endof the rear formwork are on the same plane, the lower end of the concrete push hopper is attached to the upper end of the front formwork, and after installation, a closed pouring space is defined by the concrete push hopper, the front formwork and the rear formwork; and S6, the concrete is poured until concrete materials emerge from the top end of the front formwork, the push plate is pushed, theconcrete materials are squeezed, and the top of the constructional column is formed. The masonry wall constructional column forming method can ensure once pouring molding of the constructional column,the molding quality is good, and no convex concrete is generated.

The invention discloses a complex geological karst hole pile foundation construction process. The complex geological karst hole pile foundation construction process comprises the steps that a concrete backfilling karst cave pile foundation construction method or a double-steel-casing all-casing follow-up pile foundation construction method is adopted to perform hole pile foundation construction; when the karst cave where the karst cave pile foundation is located is a small karst cave, hole pile foundation construction is carried out through a concrete backfilling karst cave pile foundation construction method; and when the karst cave where the karst cave pile foundation is located is a large karst cave or a communicating type bead string karst cave group, hole pile foundation construction is carried out through the double-steel-casing all-casing follow-up pile foundation construction method. The conditions of mud loss, wall protection instability and the like of a traditional construction method can be effectively avoided, the construction safety can be effectively guaranteed, the construction period is guaranteed, and meanwhile, the construction cost can be reduced.

The invention belongs to a concrete joint drilling device and a construction method thereof. The device comprises a base layer, one side surface of the base layer is a concave-convex surface, the concave-convex surface of the base layer is in contact with the cast concrete, one side surface of the substrate layer is a concave-convex surface, and the other side surface of the substrate layer is anadhesive surface; the adhesive surface is a glue surface layer located on the base layer and an anti-sticking layer located outside the glue surface layer; the substrate is made of rubber or a fiber material, the fiber material is a plant fiber material; the method is characterized in that during pouring, the concave-convex surface is tightly attached to the concrete to enable the concrete surfaceat the position to form an uneven scabbling surface. The device and method have the advantages of being simple in structure, reasonable in design, time-saving and labor-saving, high in construction speed and quality, low in construction cost and good in using effect.

The invention discloses a template used for casting a floor beam. The template comprises a beam bottom template, a beam side template, a beam end template and a floorslab bottom mold; the beam bottom template, the beam side template and the beam end template form an opening structure with the top opened and the periphery and the bottom closed; the floorslab bottom mold is arranged on the side of the top of the beam side template; the template also comprises a horizontal back ridge and a clamping piece; the horizontal back ridge is limited between the clamping piece and the side face of the beam side template. The invention also discloses a construction method of the floor beam. The template used for casting the floor beam and the construction method of the floor beam disclosed by the invention have the advantages that the floor beam has correct sectional dimension, no mold swelling, no mold explosion, no mud leakage and no deformation, the concrete construction quality is ensured, the construction is simple, the disassembly and the assembly are convenient, and the cost and the unnecessary repair can be effectively reduced and saved.

The invention relates to a plastic building template system. The system comprises first templates which are spliced together to form a plane template system, and second templates which are spliced with the first templates to form corners, wherein, plane connecting heads are formed on spliced edges of the first templates; the second templates form corner connecting heads on spliced edges between the second templates and the first templates; and the plane connecting heads are coupled with the corner connecting heads so that seams of the building template system have higher strength and better binding tightness and meanwhile external surfaces of panels at two sides of the neighboring templates are respectively limited on the same plane at the same side, thus the surface of the building template system close to a grouting side is flat, and the surface flatness of the building after cast molding is ensured.

A flexible concrete rabbet connecting construction method mainly comprises the following steps: attaching a fixing wooden slat to the inner side of the top of a moulding plate so as to reserve an L-shaped rabbet at a connecting position of a bottom concrete component; sticking and nailing a through elastic sealing strip at the bottom of the moulding plate; rightly pressing the elastic sealing strip into the L-shaped rabbet reserved in the bottom concrete component; and the like. According to the flexible concrete rabbet connecting construction method, in construction, the problems of dislocation, slurry leakage, unsmooth and straight connection and the like of the connecting position can be effectively avoided and the pouring quality of concrete at the connecting position is ensured; and after the construction, a beautiful, unsmooth and straight protruding strip is formed at the connecting position.

The invention discloses a U-shaped building embedded part and a construction method of an anchoring component applying the U-shaped building embedded part. The embedded part comprises a U-shaped bolt, two connecting sleeves and a reinforcing steel bar; the U-shaped bolt and the connecting sleeves are connected through threads, and the reinforcing steel bar and the U-shaped bolt are welded, so that the U-shaped bolt is prevented from being deformed in the carrying process. When embedding in pouring construction is conducted, the ends of the connecting sleeves abut against a whole formwork, holes do not need to be preformed in the whole formwork, the slurry leakage phenomenon cannot occur in the pouring process, and later formwork stripping is easy; in addition, accessory equipment is connected with the sleeves of the U-shaped embedded part through bolts, when the accessory equipment fails, the accessory equipment can be maintained and replaced by screwing down the connecting bolts, and therefore concrete structure ancillary facilities are greatly convenient to maintain and replace.

The present invention relates to a building pile-forming equipment by pressure injecting concrete and pressure injecting cement slurry. Said invention is characterized by that said pile-forming equipment includes a min body pipe, its upper end and lower end are respectively fixedly mounted in upper connecting disk interior and lower connecting disk interior, on the main body pipe a case shell is mounted, on the case shell and main body pipe are set several slurry-feeding holes connected with slurry-conveying pipe. In the case shell a first bearing is mounted, the upper end of said first bearing is equipped with a baffle ring, a second bearing is mounted on the main body pipe of upper end of lower connecting disk, said second bearing adopts angular contact bearing.

The invention discloses a shear wall formwork installation foot angle iron device, which comprises a base plane and an angle iron unit perpendicularly fixed on the base plane, a plurality of steel nails are arranged on the base plane, the steel nails close to the side edges of the base plane are arranged on control lines, both the steel nails and the angle iron unit are fixed on a rubber-plastic sheet foot, the rubber-plastic sheet foot is fixed at the foot of a shear wall, the angle iron unit is provided with screw holes, the control lines are arranged at the positions 200mm away from both sides of the base plane, the spacing between each two steel nails is equal to or less than 250mm, and the number of the steel nails is not less than 3. The invention relates to shear wall formwork installation construction in formwork construction, and in particular to the angle iron device which is 50 multiplied by 50 multiplied by 3mm, and when in use, the angle iron device can effectively prevent the common quality problems of shear walls, such as foot grout leakage, foot rotting and deformation and displacement phenomenon, improve the appearance of shaped concrete and reduce secondary repair.

The invention provides a pouring system. The pouring system comprises an upper-layer pouring device, a lower-layer pouring device, a sliding assembly, a supporting frame and a grouting main pipe, thesupporting frame is arranged on the sliding assembly in a sliding mode, the upper-layer pouring device and the lower-layer pouring device are arranged on the upper side and the lower side of the supporting frame respectively, and the upper-layer pouring device and the lower-layer pouring device move along with the supporting frame; and the grouting main pipe selectively communicates with a grouting pipe of the upper-layer pouring device or a grouting pipe of the lower-layer pouring device, so that pouring operation of the upper-layer pouring device or the lower-layer pouring device is realized. The upper-layer pouring device is configured with arch crown pouring for pouring, the lower-layer pouring device is configured with arch wall pouring for pouring, and the lining quality is guaranteed through layer-by-layer windowing pouring. The invention further provides a lining trolley. Visual management of pouring operation of the lining trolley is achieved.

An edge sealing device includes an edge-sealing template and a plurality of edge-sealing units, Edge-sealing unit comprise a brace, tighten the screw and wedge, the bottom end of the brace is used forsnapping on the prefabricated wall panel, The top of the strut is provided with a rotatable connecting rod, The centerline of the connecting rod is arranged in the horizontal direction, A screw screwis screwed to the connecting rod, the edge-sealing formwork is L-shaped, A surface perpendicular to each other on that outside of the edge seal formwork is respectively used for adhere to a prefabricated wall board and a laminated floor board, a screwing screw is used for supporting the edge seal formwork, the top end of the strut is also used as a simple inclined wedge mechanism formed by an inclined wedge and a wedge block, the inclined surface of the wedge block is used for self-locking clamping with the inclined wedge, and the upper surface of the wedge block is adhering to the lower surface of the laminated plate. The invention has the advantages of low cost, easy fabrication and convenient installation on the spot, and can effectively prevent the grout leakage phenomenon when the concrete of the post-pouring horizontal composite layer of the floor is poured, and is beneficial to the construction of the later decoration project.

The invention relates to the technical field of building engineering construction, in particular to construction reserved hole auxiliary pouring equipment and a supporting device. The construction reserved hole auxiliary pouring equipment comprises a pouring mold plate and the pouring mold plate supporting device. The pouring mold plate supporting device comprises a telescopic jacking device. The jacking device is provided with a jacking pushing part matched with the pouring mold plate. A bottom supporting device is arranged below the jacking device. When the construction reserved hole auxiliary pouring equipment and the supporting device are used, the structure is simple, installation is convenient, and erecting is not needed.

The invention belongs to the technical field of formwork supporting in concrete engineering, and discloses a device for supporting an angle formwork during secondary concrete pouring at the intersection of precast beams and slabs and a method of the device. Angle steel connecting plates are connected with two pieces of angle steel through bolts correspondingly, and angle steel reserved holes are formed in the two pieces of angle steel correspondingly. L-shaped steel plates are fixed to the right ends of the two pieces of angle steel through bolts, and the L-shaped steel plates are fixed to thesides of a prefabricated reinforced concrete beam through expansion bolts. An inclined strut support is arranged on the angle steel connecting plates, and a support adjusting device is arranged at the left end of the inclined strut support; and the inclined strut support is connected with a diagonal brace system through a hinge connection hole, and the diagonal brace system is connected with a steel formwork system through a hinge connection hole. By arranging the support adjusting device and the diagonal brace system, the attaching degree of a steel formwork and the surfaces of the beam andthe slab can be adjusted; and under the action of an inclined strut, the angle formwork bears vertical jacking force and horizontal thrust, so that the steel formwork is tightly attached to the surfaces of the beam and the slab, seamless butt joint is achieved, the sealing performance is high, and meanwhile the slurry leakage phenomenon is eradicated completely.

The invention discloses a fastening joint of an assembly type reinforced concrete combination bridge and a manufacturing method of the fastening joint. The fastening joint comprises a steel beam, a prefabricated concrete plate, shear-resistant pieces, fastening pieces and a bonding material. The prefabricated concrete plate comprises a concrete plate body, shear-resistant piece holes, fastener notches, pre-embedded fastener positioning plates, positioning plate long circular holes and sleeves. The positions, corresponding to the shear-resistant piece holes of the prefabricated concrete plate,of the shear-resistant pieces are welded to the steel beam. Long circular holes are formed in the steel beam corresponding to the four corners of the prefabricated concrete plate. The pre-embedded fastener positioning plates and sleeves are arranged in the four corners of the concrete plate body. The positioning plates are provided with long circular holes. The sleeves are welded between the two fastener positioning plates. After a bonding material layer is arranged around the shear-resistant pieces, the prefabricated concrete plate is placed at the corresponding position, and fasteners are used to penetrate through the prefabricated concrete plate and the steel beam to compact the bonding material. Finally, high-strength concrete is poured from the shear-resistant pieces and the fastenernotches. Thus, quick installation is achieved, the phenomenon of slurry leakage is avoided, materials are saved and labor cost is reduced.

Disclosed are a material-saving type modular plastic formwork and a construction method thereof. The formwork comprises a panel. The outer side of the panel is sleeved with a surface skin which is a hollow sealed box body formed by connecting at least two parts in an inserting mode. According to the material-saving type modular plastic formwork and the construction method thereof, according to the functional needs in the application process of the formwork, the formwork is designed to be the panel part and the surface skin part, wherein the surface skin is a wearing part and is responsible for concrete forming quality control and protecting the panel, and the panel is a long-term used part and provides strong support for the formwork. The surface skin and the panel are supplementary to each other so that the number of times of service of the formwork can be increased by a large margin, the service life of the formwork can be prolonged by a large margin, and the problem of resource waste existing in the plastic formwork industry is solved. The surface skin is easy to repair and replace, can be repaired after damaged, and can be recycled and machined to be a new surface skin again if damaged badly, so that the environmental protection and energy saving effects are achieved, the number of times of service of the formwork can be increased by a large margin, and the service life of the formwork can be prolonged by a large margin. The material-saving type modular plastic formwork and the construction method thereof can be widely applied to a concrete pouring formwork system.