12results about How to "Reduce reinforcement" patented technology

The invention provides a strip-shaped foundation pit bottom inrush-resistant reinforcement thickness determination method, a strip-shaped foundation pit bottom is provided with a cement soil bottom plate, and the method comprises the steps that the shear-resistant critical reinforcement thickness # imgabs0 # of the cement soil bottom plate is calculated; calculating the critical reinforcement thickness # imgabs 1 # of contact damage of the cement soil bottom plate and the supporting structure; the bending rigidity damage critical reinforcement thickness # imgabs2 # of the cement soil bottom plate is calculated; calculating the critical reinforcement thickness # imgabs3 # of the pre-stress flexural-tensile failure of the cement soil belt; calculating the critical reinforcement thickness # imgabs4 # of the non-prestressed bending and tensile failure of the cement soil; and determining the reinforcing thickness # imgabs5 # of the strip-shaped foundation pit bottom inrush resistance. And selecting the maximum critical reinforcement thickness under the five stress damage forms, and determining the maximum critical reinforcement thickness as the pit bottom reinforcement thickness. Compared with a pressure balance method given in the specification for checking the inrush stability, the method is more reasonable and accurate, the thickness of a pit bottom reinforcing cement soil layer can be greatly reduced, and the manufacturing cost is saved.

The utility model belongs to the technical field of building structures, and discloses a framed wall beam structure system which comprises frame columns, a frame joist, an upper-layer masonry wall, constructional columns and a ring beam, the lower portion of the frame joist is connected with a house foundation through a plurality of frame columns, and the constructional columns are arranged above the frame joist according to current specification requirements to be connected with the ring beam. Masonry walls are built among the frame joists, the constructional columns and the ring beams; a plurality of protruding pin keys are arranged in the length direction of the frame joist and embedded into a masonry wall, so that the interface of the wall and the beam is changed into a horse-tooth-shaped interface from a plane interface in the traditional design. By means of the protruding pin keys arranged on the frame joist, the horizontal shear resistance and the sliding resistance of the interface of the wall and the beam in the axis direction of the frame joist are enhanced, the wall beam serves as a combined component which is stressed integrally, the size and reinforcing bars of the joist are reduced, the clear height of a bottom layer is increased, the manufacturing cost is reduced, and good application and popularization value is achieved.

The utility model relates to a laminated slab wood pattern reduction supporting system. The laminated slab wood pattern reduction supporting system comprises a concrete foundation, a supporting unit, a prefabricated slab body and a pouring slab body. The concrete foundation, the supporting unit, the prefabricated plate body and the pouring plate body are sequentially arranged from bottom to top, and the supporting unit is used for supporting the prefabricated plate body and the pouring plate body; the number of the prefabricated slab bodies is at least two, the prefabricated slab bodies are laid on the tops of the supporting units, the prefabricated slab bodies and the pouring slab body jointly form a floor slab body, the concrete foundation is of a bottom bearing structure, and the pouring slab body is made in a concrete pouring mode. The pouring plate body is poured on the upper layers of the prefabricated plate bodies and the supporting units, and the prefabricated plate bodies and the pouring plate body are solidified to form an integrated structure; the problems that the lower side of an existing floor is prone to bulging and needs to be repaired and polished are solved, and meanwhile the problems that a traditional floor is long in construction period and low in efficiency are solved.

The utility model relates to a diagonal bracing system of a road anchoring type sheet-pile wall, which comprises a first cast-in-place pile and a second cast-in-place pile, the first cast-in-place pile and the second cast-in-place pile are arranged in parallel, and the first cast-in-place pile and the second cast-in-place pile divide a to-be-constructed area into a first space with the middle capable of being excavated, a second space with the two sides reinforced and a third space. Pre-stressed anchor cables are arranged in the second space and the third space respectively and correspond to the first cast-in-place piles and the second cast-in-place piles in a one-to-one mode at intervals, first top beams are arranged on the upper portions of the first cast-in-place piles, second top beams are arranged on the upper portions of the second cast-in-place piles, and waist beams are arranged on pile bodies of the first cast-in-place piles and the second cast-in-place piles. A diagonal brace is arranged at the upper part of the first space and is fixedly connected with a waist beam and a second crown beam on the first cast-in-place pile; the diagonal bracings are arranged between the piles on the two sides of the road, so that the pile anchor structures on the two sides and the diagonal bracings are connected into a whole, displacement of the piles and nearby buildings and internal force of pile bodies are reduced, and the safety performance of the high slope anchoring type sheet-pile wall is improved.

The present invention discloses a seismic isolation system combining foundation and interlayer. The seismic isolation system provided by the present invention includes a foundation seismic isolation layer and an interlayer seismic isolation layer, wherein the foundation seismic isolation layer is arranged on the foundation bottom plate of the building, and the interlayer seismic isolation layer is arranged on the top of the floor at the same elevation as the foundation seismic isolation layer. The foundation seismic isolation bearing and the interlayer seismic isolation bearing are at the same elevation, which ensures the coordination and synchronization of the bearing deformation, is suitable for buildings with partial basements and buildings with different numbers of basement floors, and can achieve good seismic isolation effect.

The utility model discloses a kind of underground station pile wall composite structures, including underground station structure and the foundation pit enclosure stake of being set in the outer side of underground station structure, the sidewall bottom joist of being equipped with in the lower side of underground station structure two sides, transverse reserved reinforcement is equipped in the foundation pit enclosure stake, first connection reinforcement is correspondingly equipped in the sidewall bottom joist, and the foundation pit enclosure stake is close to the side of underground station structure and is equipped with the reinforcement connection component for the transverse reserved reinforcement and the first connection reinforcement connection. The utility model analysis foundation pit enclosure stake base is used as the composite structure of underground station pile foundation, realizes enclosure foundation pit engineering and underground station structure intensive sharing, solves later period enclosure stake waste problem, effectively improves resource utilization efficiency, simultaneously reduces underground station structure outer wall thickness and reinforcement, saves engineering investment.

The invention provides a treatment method for wedge-shaped landslide, and relates to the technical field of landslide treatment, and the technology comprises the following steps: step 1, according to the size and shape of a landslide body, arranging an intercepting ditch around the landslide body; 2, a foot protection retaining wall is arranged at the front edge of the landslide body along the boundary line of the landslide body, and a drainage ditch is formed in the front edge of the foot protection retaining wall; thirdly, a drainage gallery is excavated in the sliding bed in the length direction of the landslide mass towards the inclined core part; fourthly, a row of embedded anti-slide piles are arranged in the position, perpendicular to the length direction of the inclined core part, of the half position of the maximum residual sliding force of the landslide mass; and fifthly, a row of anchoring piles are arranged at the position, with the relatively small maximum residual sliding force, of the landslide mass in the direction perpendicular to the length direction of the inclined core part. The treatment method is provided according to the characteristics of the wedge-shaped landslide, the related supporting system construction technology is mature, and compared with a conventional landslide treatment mode, the engineering cost is effectively reduced.

The present invention discloses a vertical and horizontal bidirectional constrained anchor pile support structure, comprising a plurality of anti-sliding piles arranged in parallel and vertically or obliquely, wherein a top beam and a corbel are arranged on the top of the anti-sliding piles, and a pile baffle is arranged between two adjacent anti-sliding piles, and a first anchor cable is arranged on the top of the corbel, and one end of the first anchor cable is connected to the top of the corbel through a first anchor head, and an anchor cable steering device is arranged on the corbel, and one end of the anchor cable steering device is fixedly connected to one end of the first anchor cable, and the other end of the anchor cable steering device is fixedly connected to one end of the second anchor cable, and the other end of the second anchor cable is fixed to the front side of the anti-sliding pile through the second anchor head. The anchor cable provides vertical and horizontal constraints through the anchor cable steering device, thereby realizing the support function of the anchor pile, and the fulcrum of the first anchor cable and the steering device acts on the corbel vertical load, providing an anti-overturning bending moment for the top of the anti-sliding pile, which can strictly control the deformation of the pile top, reduce the support cost, and improve the reliability of the support structure system, which is convenient for promotion and application.

The invention discloses a high-precision heavy-load floor prestressed fabricated structure construction method and installation equipment, a tensioning steel hinge rope is arranged, tensioning grouting anchor sealing is completed before leaving a factory, the rigidity of a whole plate is large, when backfill soil locally sinks, the whole prestressed fabricated structure plate is stressed to resist cracking, the generated stress is transmitted to a separation seam to be collected in a centralized mode, and the construction efficiency is improved. A stabilizer is adopted at the separation seam to eliminate stress, the anti-cracking effect is achieved, and it is ensured that the second concrete leveling layer does not crack; the first winding wheel is rotated to drive the clamp to clamp the floor structural plate, the first winding wheel is rotated to drive the clamped floor structural plate to ascend and descend, the floor structural plate can be driven to move by pushing the cart, manual carrying is not needed, the labor intensity of workers can be reduced, and the assembling efficiency is improved.

The utility model discloses a multistage embedded pile and frame pile combined structure for reinforcing a landslide, which comprises at least four rows of slide-resistant piles, the at least four rows of slide-resistant piles comprise at least two rows of single embedded piles, at least two rows of portal type embedded piles and at least two rows of frame type embedded piles which are sequentially arranged along the slope direction of a slope surface from high to low, and the frame type embedded piles are arranged along the slope direction of the slope surface from high to low. The first pile body and the second pile body are sequentially arranged from high to low in the slope direction of the slope surface, and the first beam body is connected with the first pile body and the second pile body. The third pile body and the fourth pile body are sequentially arranged from high to low in the slope direction of the slope surface, and the second beam bodies are connected with the third pile body and the fourth pile body and are arranged at intervals from top to bottom. A combined system formed by the reinforcing structure and the slope body is large in overall rigidity, high in deformation resistance and high in anti-sliding bearing capacity, the safety and stability requirements of a long sliding surface and a high-thrust landslide after reinforcement can be met, and deformation of the slope body can be effectively limited.

The utility model belongs to the technical field of steam turbines, and particularly relates to a steam turbine through-flow structure which comprises an outer cylinder, a steam exhaust cylinder and a rotating shaft, a steam inlet chamber is arranged in the outer cylinder, a front shaft sealing body is arranged between the rotating shaft and the outer cylinder, a steam exhaust end is arranged on the outer side of the steam exhaust cylinder, a static blade is arranged on the rotating shaft, a partition plate sleeve is arranged on the static blade, and a movable blade is arranged on the rotating shaft. The static blade comprises an ejection piece, a hinge, an open groove, an ejection plate, a rotating shaft, an ejection spring and a stress rod. Through the ejection piece, the hinge, the jacking plate, the rotating shaft, the jacking spring and the stress rod, the pressure borne by the stationary blade is reduced, the stationary blade is strengthened through the stress rod, the output power of the steam turbine can be improved by increasing the input pressure of external steam, meanwhile, the stability and the pressure bearing effect of the stationary blade are guaranteed, and the service life of the steam turbine is prolonged. The stationary blades can be self-adaptive according to the size of the passing steam, so that the pressure of the steam ejected between the stationary blades is always ensured to be sufficient, and the attenuation efficiency in the subsequent steam conveying process is reduced.

The present invention belongs to the technical field of prefabricated buildings, and particularly relates to a prefabricated concrete hollow wall anti-expansion formwork device and construction process. The device includes a hollow wall and a pressure beam assembly, wherein the pressure beam assembly includes a plurality of bottom pressure beams, and the plurality of bottom pressure beams are arranged on the outside of the prefabricated wall panels of the hollow wall, and are connected to the tension bolt group of the hollow wall. The bottom pressure beam is an I-shaped structure, including a flange plate I, a web plate and a flange plate II, wherein the flange plate I and the flange plate II are arranged in parallel, and the web plate is vertically connected between the flange plate I and the flange plate II; the web plate is parallel to the prefabricated wall panel, and a plurality of connection holes for connecting with the tension bolt group are provided on the web plate in the length direction. The present invention requires less equipment investment, is quick to take effect, reduces unnecessary reinforcement in the cavity, and reduces product cost.