35results about How to "Strong ability to adapt to deformation" patented technology

The invention relates to the field of building foundations, in particular to a method for dredging a soft foundation by dredger fill and reinforcement. The method includes: a, zoning for dredger fill; b, forming a primary drainage system; and c, performing layered and zonal filling and reinforcement. The method is characterized in that in zoning for dredger fill, each filling unit (11) is 20000m<2>-50000m<2> in area; in formation of the primary drainage system, digging crisscross blind ditches (31) on the surface of the filling unit (11), and laying corrugated filter pipes (32) and drain boards (33) on the surface for the filling unit (11); and in layered zonal filling and reinforcement, filling the filling area (1) level by level, and reinforcing with all levels of drainage networks. The method is convenient in construction, short in construction period, effective in foundation treatment and low in construction cost.

The invention discloses a fill channel anti-frost heaving and anti-seepage structure and a construction method. The structure is characterized in that drainage channels are arranged on the two sides of the channel; a wind-blown sand layer is arranged on the bottom and two sides of an embankment of the channel; a plastic film is arranged on the wind-blown sand layer; a slope toe on a connection position of the bottom and the embankment of the channel is cast-in-place concrete; prefabricated concrete blocks are laid on the plastic film; and a capping concrete board is arranged on the top of the embankment of the channel. The construction method comprises the following steps: digging a drainage open channel; clearing channel base earth; carrying out filling to form the embankment of the channel; laying wind-blown sand; laying the plastic film; casting the arc channel-bottom concrete in place; laying the prefabricated concrete blocks; and laying the capping concrete board. The problems of the common channel design such as seepage, frost heaving and destruction, and not stable quality are eliminated, the wind-blown sand layer is arranged on the bottom and the two sides of the embankment of the channel, the foundation bearing force is increased, the frost heaving is lightened; the polyethylene plastic film is laid on the wind-blown sand layer to prevent seepage of the channel; concrete is arranged on the film to prevent water flow from scouring and seeping; the concrete arc channel bottom is cast in place, the stress condition is good and the stress concentration is prevented; and the drainage open channel prevents underground water retention and eliminates frost heaving.

The invention discloses a waterproof method for prefabricated reinforced concrete box culvert interfaces and an interface water stopper. The waterproof method comprises the following steps of: pre-forming a first groove at a predetermined position far from a first box culvert interface, and pre-forming a second groove at a predetermined position far from a second box culvert interface; injecting epoxy resin adhesive into the first groove and the second groove respectively; and plugging two wings of the interface water stopper into the first groove and the second groove respectively, and sticking the two wings of the interface water stopper in the first groove and the second groove after the epoxy resin adhesive is solidified, wherein the two wings of the interface water stopper are provided with an anchoring part respectively, and the transverse size of the section of the anchoring part is greater than that of the middle section of the interface water stopper. According to the waterproof method for the box culvert interfaces, the two wings of the interface water stopper are stuck into the grooves of the box culvert interfaces to finish sticking, and the interface water stopper is adopted for preventing water; and compared with a conventional O-shaped rubber ring waterproof method, the method has the advantages of high waterproof reliability and long service life.

The invention discloses a high impact and large transformation resisting energy absorption anchoring tray component which comprises a common flat anchoring tray, a conical steel pipe and a dish-shapedtray arranged in turn from top to bottom, wherein the conical steel pipe is a conical barrel structure with thin top and thick bottom; the upper end of the conical steel pipe is fixedly connected with the lower surface of the common flat anchoring tray; the lower end of the conical steel pipe is fixedly connected with the upper surface of the dish-shaped tray; a first anchor rod through hole is formed in the common flat anchoring tray; a second anchor rod through hole is formed in the dish-shaped tray; the center lines of the first anchor rod through hole, the conical steel pipe and the second anchor rod through hole are overlapped. The invention also discloses an energy absorption anchoring method of the high impact and large transformation resisting energy absorption anchoring tray component. The high impact and large transformation resisting energy absorption anchoring tray component disclosed by the invention has the characteristics of rare deformation unloading or breakage, strong deformation adaptability, continuous yielding, convenience in mounting and the like,the support cost of a deep rock grooundpressure roadway of a mine is reduced, the safety factor of production in the mine is improved, and the effectiveness and safety of a deep roadway surrounding rock anchor rod support system is guaranteed.

The invention discloses a core-wall rockfill dam comprising gabions, self-compacting concrete, upstream geotextile, downstream geotextile, an upstream rockfill area, a downstream rockfill area, a copper sheet water stop, a concrete base, a grouting gallery and the like. The self-compacting concrete replaces a traditional clay core wall or bituminous concrete core wall. The gabions and the geotextile are used for replacing a traditional transition area. The gabions are utilized to achieve the functions of stabilizing and protecting the core wall. By means of the watertightness of the geomembrane, the seepage-proof function is achieved. According to the core-wall rockfill dam, the type is simple, dam body section partitioning is optimized, the construction speed is rapid, construction interference is little, and construction and later-period overhauling are convenient.

The invention discloses an arched combined faceplate for an earth-rock dam and a construction method thereof. The arched combined faceplate is formed by combining and splicing a plurality of arched concrete slabs through slots; the slots are spliced in a vertically and horizontally staggered manner according to the size of the arched combined faceplate; and gaps between the faceplates and the slots are filled by adopting asphalts. The arched concrete slabs are identical in shape and have the side length of 16-22m and the thickness of 0.3-0.5m. The arched concrete slabs are spherical crown-shaped, and the height of a crown top is one quarter of the side length, or the arched concrete slabs are parabolic, and the height of the top point is one quarter of the side length. The slots have the width of 1.5-2m, the heights of the slots are one quarter of the side length of the slots, and the gaps between the faceplates after combination is 1-2cm. The thickness of the asphalts in the slots is 0.3-0.5m. The construction method of the arched combined faceplate comprises the technological steps of laying cushion layers, splicing the slots, splicing the arched concrete slabs, asphalting in the slots and the like. The arched combined faceplate provided by the invention has the advantages that tensile stress and cracks are not easy to occur, the quality control is high, the construction is convenient, the construction period is short, the construction cost is low and the effect is good.

The invention discloses a scour-preventing groove for a chain precast block protective surface. The scour-preventing groove for the chain precast block protective surface comprises the chain precast block protective surface, a riprap layer and an apron groove bottom extension section. The apron groove bottom extension section is located on the bottom layer. The apron groove bottom extension section and a riverbed surface connected with the apron groove bottom extension section are filled with the riprap layer. The chain precast block protective surface is arranged on the riprap layer and comprises precast blocks, chain ropes, anchoring piers, anchoring beams and anchoring heads. The precast blocks include the A type precast blocks and the B type precast blocks. Through chain holes are only formed in the centers, in the water flowing direction, of the B type precast blocks. Through chain holes are formed both in the centers, in the water flowing direction and the centers, in the direction perpendicular to the water flowing direction, of the A type precast blocks. The chain ropes penetrate into the chain holes to be connected with the precast holes in series. One upstream end of each chain rope arranged in the water flowing direction is anchored in the corresponding anchoring pier, and one downstream end of each chain rope arranged in the water flowing direction is anchored in the corresponding anchoring beam. The two ends of each chain rope arranged in the direction perpendicular to the water flowing direction are anchored in the corresponding anchoring heads. The scour-preventing groove for the chain precast block protective surface is high in deformation adaptability, high in water permeability, high in roughness, environmentally friendly, economical, high in durability and wide in application range.

The invention discloses a mixed anti-seepage dam. The mixed anti-seepage dam comprises an upstream lower rockfill material, a downstream lower rockfill material, an upstream upper rockfill material, adownstream upper rockfill material, a dry stone revetment, transition materials, an asphalt concrete core wall, a concrete base, curtain grouting and a wave wall, wherein the asphalt concrete core wall is arranged in the transition materials positioned between the upstream lower rockfill material and the downstream lower rockfill material; a high-strength reinforced geomembrane is arranged in thetransition materials positioned between the upstream upper rockfill material and the downstream upper rockfill material to replace the asphalt concrete core wall; the upper half part of a traditionalasphalt concrete core wall dam is changed into the high-strength reinforced polyethylene geomembrane, and the anti-seepage effect is achieved through the watertightness of the geomembrane; and the upstream rockfill material and the downstream rockfill material are rockfill materials with the large deformation modulus. The dam body is simple in form and high in construction speed, the requirementfor the upstream rockfill material and the downstream rockfill material is low, and the mixed anti-seepage dam has good popularization value for projects with insufficient dam building materials in dam site areas.

The invention discloses a hydraulic asphalt concrete antiseepage material with a large particle size and a a rock-fill dam constructed therefrom. The antiseepage material mineral aggregate grading index is 0.38, the maximum aggregate particle size in the mineral aggregate is 26.5mm, and the asphalt-aggregate ratio of the antiseepage material asphalt usage amount is 6.5%. The material can meet the requirement of the rolling type asphalt concrete core technology standard, in practical engineering, the hydraulic asphalt concrete antiseepage material with a large particle size can raise bearing capability of the heated bitumen mixture, rolling apparatuses used for construction of the rolling type asphalt concrete core and transitional materials at two sides are unified, cost of the rolling type asphalt concrete core construction equipment, workloads of maintenance and management, and construction cost of the rolling type asphalt concrete core engineering are reduced. The spreading thickness in rolling type asphalt concrete core construction is increased, daily construction intensity of the rolling type asphalt concrete core construction is increased, and a technology support for the rolling type asphalt concrete core engineering construction progress is provided.

The invention discloses a bridge deck drainage supporting facility. A drainage channel is formed in the outer side of a bridge deck pavement edge curb and provided with an open rectangular section, a footpath cover plate covers the upper portion of the drainage channel, the outside of the drainage channel is wrapped with a stainless steel plate, rainwater holes are formed in the curb, the drainage channel extends into linking roads at two ends of a bridge along the bridge, a spherical rubber expansion joint for water passage is formed in the position of the drainage channel passing an expansion seam, two ends of the rubber expansion joint are fastened on vertical seal head steel plates of the drainage channel through flange plates and bolts, openings are formed in the vertical seal head steel plates of the drainage channel and correspond to the expansion joint, the stainless steel plate externally wrapping the drainage channel is crimped at the openings of the seal head steel plates, the stainless steel plate, the rubber expansion joint and the flange plates are jointly anchored on a steel plate, a plurality of spheres are formed on the vertical surface of the rubber expansion joint, the displacement deformation requirement of beams on two sides of the expansion seam is met, and the cross section of the expansion joint is rectangular. The bridge deck drainage supporting facility can solve the problems that a drainage pipe of a traditional bridge deck drainage scheme is exposed, joints frequently leak and the like.

The invention discloses a water purifying type greening brick applied to ecologic slope protection. The greening brick comprises a soil wrapping hollow building block, a composite drainage net and a water permeable porous building block which are sequentially arranged from top to bottom; the soil wrapping hollow building block is prepared from dredged spoil, zeolite, coal ash, portland cement, water glass, lignosulfonate and water; the water permeable porous building block is prepared from ceramic particles, clay, an admixture, portland cement, a pore forming agent, hydroxypropyl methyl cellulose and water. The invention further discloses a preparation method of the water purifying type greening brick. The soil wrapping hollow building block is light and high in structure stability, the water permeable porous building block is good in water permeability and high in porosity, according to the water purifying type greening brick, by combining the soil wrapping hollow building block, thecomposite drainage net and the water permeable porous building block, effective ecologic slope protection can be achieved, and rainwater can be absorbed, filtered, purified, drained and protected.