14results about How to "Reduce project cost" patented technology

The utility model relates to the field of buildings, in particular to a support system in a foundation pit, which is characterized in that crown beams are arranged around the inner ring of the foundation pit, upright posts are arranged in the foundation pit along the vertical direction, two groups of crown beams which are oppositely arranged are fixedly connected through a support frame, and a joist is horizontally fixed on the upright posts and is fixedly connected with the support frame through a fastener. Therefore, the support frame is supported from bottom to top. According to the utility model, the supporting structure in the foundation pit can be quickly mounted, and the supporting structure can be recycled, so that the construction cost of a project is greatly reduced.

The utility model provides a hollow-out type stiffening web structure. The hollow-out type stiffening web structure comprises a middle web, a top plate, a bottom plate, a plurality of first stiffening ribs and a plurality of second stiffening ribs, the top end of the middle web is fixedly connected with the top plate, and the bottom end of the middle web is fixedly connected with the bottom plate; a plurality of holes are formed in preset positions of the middle web; the first stiffening ribs are arranged on the two side faces of the top and the bottom of the middle web and arranged in the extending direction of the bridge. The second stiffening ribs are arranged on the two side faces of the middle web between the adjacent holes and located on the edges of the holes. According to the utility model, the steel consumption can be greatly reduced, and the construction cost is saved. Furthermore, the steel consumption is reduced, and the weight of the web structure is reduced, so that the construction is more convenient, and the construction difficulty and the construction cost can be reduced.

The invention discloses an assembly type FRP profile-concrete continuous composite beam which is mainly composed of an FRP profile main beam, a sagging moment area prefabricated concrete slab and a hogging moment area prefabricated laminated slab. Wherein the upper part of the hogging moment area prefabricated laminated plate is a large-strain FRP grid reinforced EGC top plate, the lower part of the hogging moment area prefabricated laminated plate is an FRP rib reinforced concrete bottom plate, and shear-resistant short steel bars are vertically arranged on the two; the beam sections of the FRP profile main beam are connected through FRP lap joint plates, U-shaped formwork-free comb-tooth-shaped wet joints are arranged between the plates, and the FRP profile main beam is connected with the upper prefabricated concrete slab and the laminated slab through detachable high-strength bolts. According to the structure, the characteristics of ultrahigh ductility, multi-seam steady-state cracking and higher tensile strength of a large-strain FRP grid reinforced EGC material are fully utilized, and meanwhile, the advantages of light dead weight, high strength and high elasticity of an FRP profile and the advantages of large rigidity, good stability, low construction cost and the like of a concrete wing plate are exerted; and the reliable and durable assembly type functional gradient composite beam is formed.

This invention discloses a modular river-crossing pipeline foundation and its assembly method, relating to the field of pipeline engineering technology. It enhances the support and fixation of the river-crossing pipeline, enabling the rapid modular construction of the pipeline in riverbeds or soft soil areas. The modular river-crossing pipeline foundation includes: precast node piles, a load-bearing precast slab, a precast pile extension section, a pipeline connection end, and a mechanical sleeve. The precast node piles are columnar with a central annular platform. The load-bearing precast slab is a plate-shaped body with a through hole at its center, the through hole matching the transverse cross-section of the precast node pile. The lower end of the precast node pile passes through the through hole of the load-bearing precast slab, which is located below the annular platform. The precast pile extension section is columnar, with its lower end connected to the upper end of the precast node pile via a mechanical sleeve. The pipeline connection end is connected to the upper end of the precast pile extension section.

The invention discloses a recycled concrete slope protection brick, and belongs to the technical field of slope protection bricks, the recycled concrete slope protection brick comprises a brick body, the brick body is formed by pressing and curing a recycled concrete raw material, a permeable vegetation structure is integrally formed on the brick body, the permeable vegetation structure comprises a first planting cavity and a second planting cavity, and a vegetation card is poured on one inner wall of the permeable vegetation structure; a receding groove is formed in the position, corresponding to the vegetation clamp, of the lower surface of the brick body, the lower end of the vegetation clamp extends into the receding groove, and the inner wall, opposite to the vegetation clamp, of the water-permeable vegetation structure is designed to be of a downwards-concave inclined face structure. The recycled coarse aggregate and the recycled fine aggregate which are prepared by crushing and screening construction waste are adopted as main raw materials, a large amount of construction solid waste can be consumed, natural gravel exploitation is reduced, energy consumption and environmental pollution are reduced, a large-volume water-permeable vegetation structure is integrated in the brick body, rapid infiltration of rainwater can be achieved, the elastic vegetation cards are embedded in the brick body, and the brick body can be recycled. When vegetation is planted, the vegetation can be automatically and elastically clamped, and the vegetation is prevented from being washed off by rainwater or water flow.

The invention relates to a phosphogypsum modified material for a highway under a new excitation system and a preparation method and device thereof, and belongs to the technical field of highway engineering in traffic transportation engineering. The modified material comprises the following raw materials in percentage by weight: 80-90% of phosphogypsum and 10-20% of a modifier, totaling 100%, the mass of the water is 15%-18% of the total mass of the phosphogypsum and the exciting agent; the modifier comprises the following raw materials: calcium oxide, silicon dioxide, ferric oxide, aluminum oxide, mineral powder, tricalcium silicate, calcium carbonate, sodium silicate, a coupling agent, iron powder and rubber powder. The ardealite modified material has the advantages of excellent strength increase and stability improvement in the aspect of long-term performance development, is high in environmental protection property, free of pollution to the environment, soil and water, good in economical efficiency and easy to popularize and apply, and does not increase the comprehensive construction cost of a project.

The utility model relates to the technical field of rail transit, in particular to a mound type car stop structure which comprises a concrete door type frame, rammed earth is arranged in the concrete door type frame, the concrete door type frame encloses the rammed earth, and the length of the concrete door type frame meets the requirement that the width of the concrete door type frame is larger than the width of the rammed earth. And the steel rail extends into the concrete door-type frame for a certain distance and is partially covered by the rammed earth. The utility model has the advantages of strong backstop capability, safety, reliability, convenience in construction, low construction cost, simple and reasonable structure and suitability for popularization.

The invention discloses a high-efficiency dissolved gas ozonation-biochemical coupling sewage advanced treatment device. The device comprises an integrated device consisting of an ozonation unit and a biological membrane unit, a micro-nano ozone dissolved gas adding system, a biological membrane tank effluent reflux system and a control system. The ozone dissolved gas adding system generates microbubbles with the average diameter not exceeding 30 microns; the sewage treatment retention time of the ozone oxidation unit does not exceed 15 min, and the height does not exceed 2 m; a gas outlet and a water outlet of the ozone oxidation unit are communicated to the bottom of the biological membrane unit, and tail gas is directly used for aeration of the biological membrane unit; the sewage treatment retention time of the biological membrane unit is longer than 30 min, and the height is 4-10 m. Through the microbubble technology and the integrated design, the ozone utilization rate and the treatment efficiency of the ozone oxidation-biochemical coupling device are remarkably improved, the occupied area is reduced, and meanwhile effective utilization of ozone tail gas is achieved. The device is suitable for advanced treatment of various types of sewage.

The present invention discloses a cap system with a counter-pressure structure and a construction method thereof, and relates to the technical field of bridge pier reinforcement. The cap system with a counter-pressure structure includes a bridge pier, a pile foundation, a distribution member, a jacking member and a reaction member. The pile foundation and the bridge pier are both extended and arranged in a vertical direction, the distribution member is fixedly installed on the top of the pile foundation, the reaction member is arranged above the distribution member and fixedly installed on the side of the bridge pier, the reaction member is connected to the distribution member through the jacking member, and the jacking member can lift the bridge pier upward through the reaction member to transfer part of the load of the bridge pier to the pile foundation through the distribution member. Compared with the prior art, the cap system with a counter-pressure structure provided by the present invention adopts a distribution member installed on the top of the pile foundation and a jacking member connected to the bridge pier through the reaction member, so that the one-time pouring construction of the cap can be achieved while meeting the unloading of the original bridge pier and the counter-pressure of the newly added pile foundation, and the construction efficiency is high, the construction period is short, the project cost is low, the application is wide, and the safety is high.

The utility model provides an offshore photovoltaic icebreaking device and system, a lower bottom plate is a rectangular reinforced concrete bottom plate and is seated on a seabed, a plurality of upper icebreaking ridges are arranged on the bottom plate at intervals, the upper icebreaking ridges are wide in lower parts and narrow in upper parts, the ice facing surfaces of the front ends of the upper icebreaking ridges are inclined, the upper icebreaking ridges are of reinforced concrete structures, and the upper icebreaking ridges extend out of the water surface from the bottom plate; the upper icebreaking ridges and the lower bottom plate are connected through a reinforcing mesh and are formed through integral pouring, the concrete bottom plate is provided with rhombic anti-skid lines, and the icebreaking device can be poured and built in a segmented mode and arranged around the outer side of a photovoltaic field area; the safety of the photovoltaic field can be guaranteed without operation and maintenance work such as an icebreaker, the icebreaking efficiency is high, and the manufacturing cost is low.

The invention discloses a superimposed compressed solid waste mass block for gravity energy storage and a preparation method thereof. The superimposed compressed solid waste mass block comprises a bearing bottom plate, a counterweight compressed muck block and a recycled aggregate concrete shell, a recycled aggregate concrete shell with the upper surface and the lower surface being open is vertically arranged on the upper surface of the bearing bottom plate which is horizontally and transversely arranged in an aligned mode, and a plurality of balance weight compressed muck blocks matched with the recycled aggregate concrete shell are sequentially arranged in the recycled aggregate concrete shell from top to bottom in an overlapped mode. The lowermost counterweight compressed muck block and the bearing bottom plate as well as the adjacent counterweight compressed muck blocks are overlapped through tongue-and-groove design, and the upper surface of the uppermost counterweight compressed muck block and the upper surface of the recycled aggregate concrete shell are horizontally arranged in a coplanar manner. According to the invention, a plurality of small-tonnage counterweight compressed muck blocks are combined into a whole by adopting an in-situ multi-time overlapping compression mode and utilizing a tongue-and-groove design, so that the performance requirement on the compressor is reduced, and the manufacturing cost and difficulty are reduced.

The utility model provides a base composite structure, an internal supporting structure and a foundation pit support system. The base composite structure comprises existing engineering piles of a foundation pit, a first elastic body structure and a second elastic body structure, wherein the first elastic body structure is arranged between a support pile of the foundation pit and the adjacent existing engineering piles, and the second elastic body structure is arranged between every two adjacent existing engineering piles. According to the base composite structure, the existing engineering piles are used for jointly bearing active soil pressure, the safety and stability of a foundation pit support system in the foundation pit construction process can be met, the construction cost of foundation pit support engineering is correspondingly reduced, material waste is reduced, and the requirements for green construction and building protection are met.

The present invention discloses a common anchorage for a suspension bridge, comprising a cap, on which a first anchor body and a second anchor body are symmetrically arranged in the transverse direction of the bridge, anchor chambers are arranged in the middle of the tops of the first anchor body and the second anchor body, first loose cable saddles and second loose cable saddles are arranged on both sides of the anchor chamber along the bridge direction, and a plurality of staggered and dispersed anchor cables are anchored between the first loose cable saddle and the second loose cable saddle and the anchor chamber. The present invention adopts a "transverse separation, longitudinal opening" structural form, which has a simple and beautiful shape, greatly reduces the wind resistance and water resistance area of ​​the anchor body, and reduces the radar wave interference effect of the large-volume concrete anchor pier side on the marine vessel; at the same time, the volume of the anchor body is greatly reduced, saving engineering usage.

The invention discloses a composite protection structure, particularly relates to a composite protection structure for treating and repairing a slope disease area and a construction method, and belongs to the technical field of design and construction of slope treatment engineering structures. According to the composite protection structure for treatment and repair of the slope disease area and the construction method, construction is convenient and fast, the anti-sliding capacity is high, and the construction cost is low. The composite protection structure comprises strongly-moderately-weathered mudstone and a water-rich loose collapse slope product obliquely pressed on a strongly-moderately-weathered mudstone side slope, the composite protection structure further comprises an enhanced protection system and a draining back pressure stability augmentation system, and the enhanced protection system is inserted into the portion, at the root of the strongly-moderately-weathered mudstone, of the side slope through the lower portion of the enhanced protection system. The draining back pressure stability augmentation system obliquely pressed on the strongly and moderately weathered mudstone side slope blocks and drains underground seepage water in the side slope by enhancing a protection system.