172results about How to "High turnover utilization" patented technology

The invention discloses a concrete water-based releasing agent produced by using drainage oil and a preparation method thereof. The releasing agent is prepared from the following raw materials by weight percent: 8%-22.5% of drainage oil, 0.5%-3.6% of a compound emulsifier, 1%-10% of an additive, 1%-3.2% of a stabilizer and 60%-87% of water, wherein the emulsifier is the compound emulsifier comprising an anionic emulsifier and a nonionic emulsifier, the anionic emulsifier comprises one or multiple of stearic acid and sodium dodecylbenzene sulfonate, and the nonionic emulsifier comprises one or multiple of fatty acid polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acryl alcohol amine, Span and Tween. After forming a film, the water-based releasing agent plays a role in separation of the concrete and a template. The water-based releasing agent is used for replacing an existing frequently-used emulsification machine oil releasing agent, is odorless and tasteless and has a good using effect; due to the adoption of the releasing agent, the apparent quality of the concrete is improved, and the turnover utilization rate of the template is also increased; and the production cost of the releasing agent is reduced.

The invention relates to a movable formwork supporting truss and a construction method thereof. The movable supporting truss comprises a supporting rod assembly, a connecting buckle, adjustable supports and universal wheels. The supporting rod assembly is composed of stand rods, horizontal rods and inclined struts, and a truss structure is formed through the connecting buckle. The adjustable supports are placed at the upper ends and the lower ends of the stand rods and used for adjusting the supporting height, and when the adjustable supports on the lower portions of the stand rods are replaced by the universal wheels, the whole truss can move. The construction method comprises the steps of ground leveling, single rod piece assembling, overall truss assembling, overall truss removing, recycling and the like. Compared with the prior art, the movable formwork supporting truss and the construction method thereof have the advantages that the construction efficiency and the material recycling usage rate are increased by two or more times compared with a traditional construction method, labor and material resources are saved, the economical benefits are appreciable, the movable formwork supporting truss is especially suitable for a cross beam structure and the construction occasions with regular and orderly bay sizes and can also be used in a beamless slab construction, wherein the construction occasions include superstores, office buildings, underground garages and other frame structures with post-cast strips.

The invention provides a basement outer wall single-side steel formwork supporting system and a construction method thereof, and relates to the technical filed of constructional engineering equipment. Aiming at the problems that the labor intensity of construction personnel is high and formwork supporting work efficiency is low existing in the available supporting system, the basement outer wall single-side steel formwork supporting system and the construction method thereof are provided. The basement outer wall single-side steel formwork supporting system comprises a pair of tracks, bases, and a plurality of supporting trusses, wherein the pair of tracks is laid at a foundation slab and parallel to an outer wall steel formwork, the bases are arranged on the tracks and can slide along the tracks, and the multiple supporting trusses are vertically arranged at intervals and are connected with the outer wall steel formwork; and bottom parts of the supporting trusses are hinged to the bases, and the supporting trusses are detachably connected with top ends of the bases through a plurality of adjusting rod pieces. The construction method comprises the steps that the steel formwork supporting system is spliced and fixed, after outer wall concrete is poured, a ground anchor assembly and a diagonal bracing are disassembled, an adjusting rod piece is retracted, so that the demoulded outer wall steel formwork are made to be supported on the base, and the next working section is started to continue pouring construction of outer wall concrete.

The invention discloses a sliding formwork component. The sliding formwork component comprises a sliding way, an outer template, an inner template, two side templates and a plurality of connecting fixing pieces. The sliding way is provided with a plurality of sliding grooves for installation of the outer template and the inner template. A plurality of outer stand bars are arranged at the bottom ofthe outer template. The outer stand bars are arranged on the outer side of the sliding way and can be installed and move along the sliding grooves. A plurality of inner stand bars are arranged at thebottom of the inner template. The inner stand bars are arranged on the inner side of the sliding way and can be installed and move along the sliding grooves. The side templates are arranged on the two side edges of the inner template and the two side edges of the outer template and are connected with the inner template and the outer template through the connecting fixing pieces. The invention further discloses an open caisson blade foot layer sliding formwork construction method. The method comprises the steps of field leveling, sliding way installing, steel bar bundling, template installing,concrete pouring, side template dismounting, template sliding and the like. According to the sliding formwork component and the method, the linear vertical perpendicularity after blade foot construction is finished can be ensured, and accordingly the assembling quality of upper-layer open caisson standard segments is guaranteed.

The invention discloses a corbel bracket platform for bridge pier and transverse straining beam synchronous construction. The corbel bracket platform is characterized in that the positions, with the equal height, in the middle of semicircular steel molds on the two sides of the upper portion of a pier column model (1) are respectively provided with a corbel (2) in a welding mode, jacks (3) are installed on the corbels (2), I-beams (4) are placed on the jacks (3) in the horizontal direction, the I-beams (4) on the two sides of the pier column model (1) are connected together through pulling rods (5) and fastened on the pier column model (1), and distributive beams (6) are placed between the I-beams (4) at equal intervals. The invention further discloses a construction method of the corbel bracket platform. According to the corbel bracket platform, synchronous construction of a pier column and a transverse straining beam is achieved, the construction cycle period of components below a bridge is shortened, and the bridge construction progress is accelerated. Meanwhile, compared with a traditional construction scheme, the input material cost is low, materials of the platform of the transverse training beam can be completely recycled for coping beam construction, and the circulating utilization rate of the materials is high.

The invention provides a hanging basket suspension support for an inclined roof. The hanging basket suspension support is mounted on a gutter of the inclined roof and used for hoisting a work platform. The hanging basket suspension support is characterized in that the hanging basket suspension support comprises an embedded part, a support body and a hoisting mechanism; the embedded part is arranged on the inclined roof; the support body is arranged on the gutter in a crossing mode and fixedly or detachably mounted on the embedded part; the support body comprises a support main rod and a suspension mechanism; one end of the support main rod is mounted on the embedded part; the other end of the support main rod is detachably provided with the suspension mechanism; and one end of the hoistingmechanism is provided with the work platform, and the other end of the hoisting mechanism is connected with the embedded part through the suspension mechanism. The hanging basket suspension support for the inclined roof has the characteristics of being simple in structure, safe, reliable, convenient to mount and low in cost.

The invention belongs to the technical field of refractory materials, especially refractory materials for nonferrous smelting, and especially relates a copper composite high-performance magnesia-chrome brick and a manufacturing method thereof. The brick comprises 1-10 wt% of copper composite magnesia-chrome synthetic sands with the particle size being 3-5 mm, 10-35 wt% of copper composite magnesia-chrome synthetic sands with the particle size being 1-3 mm, 10-25 wt% of copper composite magnesia-chrome synthetic sands with the particle size being 0.088-1 mm, 1-5 wt% of fused magnesia-chrome sands with the particle size being 3-5 mm, 1-15 wt% of fused magnesia-chrome sands with the particle size being 1-3 mm, 2-13 wt% of fused magnesia-chrome sands with the particle size being 0.088-1 mm, 5-20 wt% of fused magnesia-chrome sands with the particle size being not more than 0.088 mm, 1-5 wt% of fused magnesia with the particle size being 3-5 mm, 1-15 wt% of fused magnesia with the particle size being 1-3 mm, 2-13 wt% of fused magnesia with the particle size being 0.088-1 mm, 5-20 wt% of fused magnesia with the particle size being not more than 0.088 mm, 2-10 wt% of chromium concentrate with the particle size being not more than 0.088 mm, 1-6 wt% of a composite additive and 3-5 wt% of an (externally added) binder. Magnesia-chrome brick wastes generated by the nonferrous smelting can be fully used reasonably and effectively in the invention.

The invention discloses a closed type cantilever scaffold system and a construction method thereof. The closed type cantilever scaffold system comprises a cantilever steel beam through-wall structure,a cantilever steel beam balcony slab placement structure for containing a balcony slab and manufacturing a cantilever balcony, a closed type cantilever scaffold system for building a scaffold, and anoverhead cantilever formwork protective shed for erecting a protective shed, wherein the cantilever steel beam through-wall structure is used for through-wall fixing construction of a structural steel girder; an anchoring device adopting the cantilever steel beam through-wall structure is convenient to install and flexible to disassemble, the turnover utilization rate can be effectively increased, and an integrated high-intensity embedded U-shaped pull ring and an inclined strut steel tube shaping connecting beam piece are adopted, so that the balcony slab is effectively prevented from beingdamage by crushing, an adjustable vertical rod is adopted for compression joint of a fixing rod and a wall column reinforcing type connecting wall rod, the application range of the scaffold is enlarged, the overhead cantilever formwork dual-layer protective shed is adopted, safety risk in external frame erection is reduced, and safety construction is facilitated.

This invention relates to a special diastatic nutritive complex zyme specially used in alcohol and fuel alcohol including the following components in weight percentage: compound cellulose: 10-20%, pectic enzyme; 3-7%, proteinase: 5-15%, debranching enzyme: 5-15%, phytase: 5-15%, beta-amylase: rest. This invention adds the said diastatic nutritive complex zyme into the being saccharificated materials at one run at the diastatic stage. This invented multizyme reagent compound recipe can replace the beta-amylase in the current technology.

The invention discloses a folding drawing steel internal mould system for a prefabricated hollow beam, which uses a steel structure and is provided with two semi-mould units with opposite openings at left and right sides on a cross section of the internal mould. The semi-mould unit is formed by an upper unit plate and a lower unit plate which are hinged at the side to form a hinge structure capable of unfolding or folding up and down. In the semi-mould unit, a pull rod is arranged along the length direction of the internal mould. The pull rod is hinged respectively with the upper plate unit at the top plate through a group of upper connecting rods arranged at intervals and hinged with the lower unit plate at the bottom plate through a group of lower connecting rods arranged at intervals. In the invention, the pull rod is drawn so that the internal mould is respectively in unfolding and folding states. The invention does not need to disassemble manually and is particular suitable for prefabricating hollow beams with small sections, and improves the work efficiency greatly.

The invention relates to the field of construction, in particular to a method for repeated reconstruction and utilization of an aluminum alloy template system, and provides a construction method for reconstruction and turnover use of aluminum alloy templates. The construction method comprises the following steps: (1) drawing reviewing and detailed design; (2) construction preparation; (3) classified piling up of the aluminum alloy templates; (4) surface treatment of the aluminum alloy templates: the surfaces of the aluminum alloy templates are subjected to shot blasting treatment, and different shot blasting parameters are determined according to classification of pollution degrees of the surfaces of old templates (5) cutting and welding of the aluminum alloy templates; (6) weld detection and repair; (7) correction of flatness of the aluminum alloy templates: the aluminum alloy templates with recess positions are repaired through mechanical correction, and the requirement for the flatness of the aluminum alloy templates can be met; (8) pre-assembly: the aluminum alloy templates processed according to the detailed design drawing are all subjected to 1:1 pre-assembly on a reconstruction site. Deformed and damaged templates are repaired and reconstructed with the method, so that material saving and turnover use of the aluminum alloy templates are realized to the greatest extent.

The invention discloses a method for pouring a building post-pouring belt and a pouring die. The method comprises the following steps: erecting the pouring die of the post-pouring belt by adopting a wood die system; when pouring the post-pouring belt, erecting the pouring die of the post-pouring belt by adopting an aluminum die system and the wood die system, namely erecting the pouring die of the post-pouring belt by commonly adopting the wood die system and the aluminum die system; in a common erecting process, erecting a pouring die at a cantilever end part of a cantilever beam plate of the post-pouring belt by the aluminum die system; erecting pouring dies of other parts of the post-pouring belt, except the cantilever end part of the cantilever beam plate of the post-pouring belt, by utilizing the wood die system; and after erecting the pouring die of the post-pouring belt through the wood die system and the aluminum die system, pouring the post-pouring belt. The method not only has the advantages of rapidness in construction, convenience for installation and detachment, low loss, high utilization circulation rate and cost saving, but also has the advantages of effectively preventing quality problems including cracking and leakage of the cantilever beam plate of the post-pouring belt and the like from occurring.

The invention discloses a prefabricated bridge abutment multifunctional lifting system and a construction procedure thereof. The prefabricated bridge abutment multifunctional lifting system comprises a lifting mechanism for lifting a prefabricated abutment and a position regulating mechanism for regulating the position of the prefabricated abutment in a three-dimensional way, wherein the lifting mechanism is connected with a bearing truss through a flexible lifting rope; the position regulating mechanism is arranged between the bearing truss and the lifting mechanism; the bearing truss is fixed on a steel pipe pile; and the steel pipe pile penetrates into an inner hole of a prefabricated cushion cap. The lifting mechanism and the position regulating mechanism are combined into one, so that lifting and position-regulating continuous construction can be realized, and the turnover utilization ratio of equipment is improved; the bearing truss can bear the position regulating mechanism and a steel pipe pile clasping mechanism in a lifting process and can be used as a connecting truss of the steel pipe pile clasping mechanism in a position-regulating construction; and the steel pipe pile is used as a stable whole, so that the stability of the position-regulating construction is improved.

The invention discloses a triangle hanging basket suspended casting device used for overpass bridge construction and a construction method thereof. The triangle hanging basket suspended casting device comprises an anchoring triangular bracket, a bracket platform, a bottom bracket member, a lifting anchoring member, a travelling member and a template system, wherein the anchoring triangular bracket comprises a plurality of triangular supports; one straight edge of the anchoring triangular bracket is used for being anchored on the side surface of a bridge's main pier body through anchor ribs, and the other straight edge of the anchoring triangular bracket horizontally extends forwards in the direction away from the side surface of the bridge's main pier body; the plurality of triangular supports are arranged at intervals in parallel; the anchoring triangular bracket further comprises supporting corbels arranged below the triangular supports and used for jacking and supporting of the bottoms of the triangular supports; the supporting corbels are connected onto the bridge's main pier body through anchor ribs; the bracket support is used for bearing the gravity of other members; the lifting anchoring member is connected with each of the bracket platform and the bottom bracket member; the travelling member is used for the other members to walk thereon; the template system is used for bridge casting. The triangle hanging basket suspended casting device has the advantages of less assembly nodes, definite stressing and high member turnover rate.

The invention discloses a modular prefabricated concrete circular arc chamfering waterproof system for waterproof paving of roofing coils. The modular prefabricated concrete circular arc chamfering waterproof system is applied to a corner at a connection position of a roofing parapet and a roofing board. The waterproof system includes a plastering layer arranged on the roofing parapet and a screed-coat, an insulation layer, an isolating layer, a protective layer and a waterproof layer, wherein the screed-coat, the insulation layer, the isolating layer, the protective layer and the waterproof layer are arranged on the construction roofing board; the waterproof system further includes modular prefabricated concrete circular arc chamfering which is paved at the corner at the connection position of the roofing parapet and the roofing board; the prefabricated concrete circular arc chamfering is internally provided with anti-cracking steel bars; a waterproof flashing closure is arranged at the splicing head position of the prefabricated concrete circular arc chamfering and the plastering layer of the parapet; and a gap is reserved at the splicing head position between the prefabricated concrete circular arc chamfering, a gap is further reserved at the splicing head position of the prefabricated concrete circular arc chamfering and the screed-coat, and the gaps are filled with waterproof ointment. The problems of large randomness, difficult shape control and poor molding quality when the circular arc chamfering is made by adopting cement mortar by plasterers are solved.

The invention relates to an inclination angle column cap combined wood former in a beamless connected upright post, which consists of two trapezoid wood templates and two rectangular wood templates, wherein four peripheries of each trapezoid wood template and upper end surfaces and lower end surfaces of the rectangular wood templates are respectively inclined from the inner side of each plate to the outer side to form a chamfer surface of 45 degrees; the two trapezoid wood templates and the two rectangular wood templates are respectively opposite two by two; each plate is inclined towards theouter side to form an angle of 45 degrees; the two trapezoid wood templates are symmetrically and respectively arranged between the two rectangular wood templates; and two equicrural 45-degree chamfer surfaces are respectively attached to inner side plate surfaces of adjacent rectangular wood template to form an inverted foot pace inclination angle column cap. According to the combined wood former disclosed by the invention, joints between the wood templates as well as between an upper horizontal support plate mould and a lower column body mould are in respectively surface-surface joining relation; a joint between an internal corner and an external corner is compact; the phenomena of concrete mould expansion, mould run and mortar leakage at join parts are avoided; the simpleness in construction is realized; the forming quality of column cap concrete is ensured; the turnover utilization rates of the wood templates are improved; and the construction cost is reduced.

The invention discloses a cantilever construction detachable triangle hanging basket load-bearing primary truss which comprises a girder, an adjustable base, a stand column, a plate-type connecting chapiter and diagonal members. The adjustable base is formed by connecting upper and lower parts through a first hinge pin; the lower part of the adjustable base is connected with the middle part of the girder by intermittent welding; the upper part of the adjustable base is fixedly connected with the lower end of the upright; the upper end of the stand column is connected with the plate-type connecting chapiter by a bolt; both sides of the plate-type connecting chapiter are respectively connected with the diagonal members by second hinge pins; the diagonal members at both sides are symmetrically arranged; the lower ends of the diagonal members are connected to one end of the girder by third hinge pins. The cantilever construction detachable triangle hanging basket load-bearing primary truss disclosed by the invention is formed by utilizing the characteristics of shape steels to carry out machining manufacturing and assembling; not only can the dead weight of a hanging basket be reduced, but also a balance weight is not required; meanwhile, the cantilever construction detachable triangle hanging basket load-bearing primary truss is provided with a small number of components and is convenient to install and transport; the use effect of the hanging basket is ensured; meanwhile, the utilization rate of the components is greatly improved and cost of manufacturing, transportation and the like of equipment is also reduced.

The invention discloses an opening reinforcement method and a reinforcement sheet of components of fiber-reinforced resin composites and relates to an opening reinforcement method and a reinforcement sheet used in the method. The invention solves the problems of the present reinforcement method such as difficult quality control, excessive subsequent working procedures, long time of occupying forming molds, and low working efficiency. The main steps of the method are as follows: preparing the reinforcement sheet; laying a fibrous presoaked band and the reinforcement sheet on a core mold for preparing the components of the fiber-strengthening resin composites and compacting fibrous presoaked band and the reinforcement sheet. The reinforcement sheet is annular with the thickness L2 of 2 to 4mm. The implementation of the reinforcement with the method can realize parallel production of a reinforcement section and composite bodies as well as the assembly type production of laying the composites, greatly improve the turnover utilization ratio of the mold, increase work efficiency, shorten the product molding cycle and lower the requirements of application periods of the resin body.