45results about How to "Small work area" patented technology

The invention discloses a valley-type refuse landfill series multi-partition rain and sewage shunting device and a valley-type refuse landfill series multi-partition rain and sewage shunting method. The device comprises landfill areas spaced by area partition dams, more than four landfill areas are partitioned from upstream to downstream, the landfill areas are connected in series by the same percolate guide and drainage blind ditch, a high-density polyethylene (HDPE) percolate guide duct with perforations is arranged in the percolate guide and drainage blind ditch, the refuse landfills of the landfill areas are sequentially from upstream to downstream, a percolate collecting pit is arranged at the sewage gathering bottom of the landfill area which is being filled, and a sewage submersible pump is arranged in the percolate collecting pit; and the percolate is delivered to a percolate sewage adjusting tank through the sewage submersible pump and a hose. By adopting the device and the method, the problem of rain and sewage shunting of a newly built valley-type landfill can be well solved; and the generating quantity of the sewage of the landfill is greatly reduced, so that the scale of percolate treatment equipment and facilities is reduced, a large amount of percolate and sewage treatment cost is reduced, and energy saving and emission reduction are realized.

The invention provides an assembly type hydraulic box culvert template and a construction method of a prefabricated assembly type box culvert of the assembly type hydraulic box culvert template, and belongs to the field of highway engineering construction. The assembly type hydraulic box culvert template comprises a template, a hydraulic power system and an adjusting support. The construction method comprises the steps that the assembly type hydraulic box culvert template is installed; the template is used; steel bars are machined and installed; a steel bar framework is hoisted put into the template; an internal mold is installed; the template is installed while concrete is poured; the concrete is poured; the concrete is cured; and the template is removed, and finally the prefabricated assembly type box culvert is prepared. The box culvert can be prefabricated in a centralized mode, and is installed on site, so that a lot of concrete is saved, the construction progress is accelerated,construction cost is reduced, damage and pollution to underground water and soil are greatly reduced, and the box culvert is especially prominent in green and environment-protecting aspects; and the entity quality of culverts is effectively improved, the yield of the appearance and a protection layer is greatly improved, and good economic and social benefits are obtained.

The invention discloses soft soil foundation new construction post pile pressing technology and a construction method thereof. The technology is characterized in that: an anchor rod is embedded and a pressing plate reaction frame is fixed in a foundation under construction, by using the self weight of a building under construction, the prefabricated pile sections are pressed into the soil section by section in a foundation reserved or dug pile pressing hole by anchor static pressure pile technology, and the pile foundation is fixedly connected with the foundation. Therefore, the aims of improving the bearing capacity of foundation soil and controlling the building subsidence are fulfilled. The construction method comprises the following steps of: measuring and placing an axis and a pile; reserving the pile pressing hole; embedding the anchor rod; and pressing and sealing the pile. The technology and the construction method have the advantages of simple and convenient construction, environmental protection, energy conservation, high speed and high efficiency, and are particularly applied to the foundation engineering in which a natural foundation cannot be directly adopted or a pile foundation cannot be constructed in order.

The invention discloses a powder ridge deep-cyclone water-storage seedling-retaining growth promoting and cultivation method in arid and semi-arid regions. The middle of a cultivating area is deep-ploughed by using a rotary tillage spiral type machine while the two sides of the cultivating area are shallow-ploughed; the soils are milled at the same time; the soils are naturally ridged after the soils are rotated in a deep mode and loosened so as to form a T-shaped ridge land of which the two sides are surrounded by shallow loosening soils and the inclined surfaces have a certain angle. Drainage channels are arranged in a non-cultivation area, a film covers the ridge land, planting holes are formed in the ridge land, and a water-storage tank for storing water and retaining water is established around the planting holes; meanwhile, standardization farm operations such as fertilizer application and pesticide application are carried out, so that the operation is finished mechanically and integrally once, and the labor efficiency is greatly improved; by using the cultivating method, the water content of the soil is effectively increased by more than 30 percent, the production of crops is increased by more than 40 percent, and the economic benefit is obviously increased; moreover, a new ecological balance system is established, and the method has a great popularization value in the northwest arid region.

The invention relates to a road and bridge transition section grouting construction method used during jacking construction. According to the method, with a drilling pipe, a plurality rows of scallop grouting holes are drilled from railway shoulders on two sides of a road and bridge transition section towards the lower part of the railway with an inclined downward scallop manner; when one hole is produced, the drilling pipe is fetched, a shock tunnel is inserted into the hole, and grouting fluid is injected; when the grouting fluid level is 2 meters far from the ground, grouting is stopped, a grouting port is sealed, and the next hole is proceeded; an included angle range of the grouting scallop area relative to a subgrade plane is 15-75 DEG, and an adjustment range of adjacent two grouting holes 5 is 5 DEG. With the road and bridge transition section grouting construction method provided by the invention, road and bridge transition sections can be strengthened without breaking normal railway operation; the work space is small; the operation is convenient; and subsidence deformation of the road and bridge transition sections can be effectively controlled, such that uneven subsidence between the road and bridge transition sections and mass boxes can be prevented. Therefore, the method is beneficial for traffic security and personal security of a railway, and provides substantial economic benefits.

The invention discloses a power tunnel construction method which comprises the following steps: measuring, namely, confirming the tunnel cross section position by taking a ground control point as a reference point, marking a tunnel rim line, and detecting at regular time by using a measurement instrument; sampling, namely, arranging core taking points along the tunnel rim line, marking core point hole positions, wherein the core point hole positions are tangent to the tunnel rim line; positioning and mounting a drilling machine; paving a track, wherein a tower rack platform is arranged on the rack, a horizontal drilling machine of a drill is fixed on the tower rack platform, and the drilling machine is positioned by using fine tuning equipment so as to enable the axis of the drilling tube of the drilling machine to be parallel to the tunnel axis; trepanning, namely, coring and trepanning by using the horizontal drilling machine; splitting a middle rock body, namely, after all core points are trepanned, vertically cracking the middle rock body by using a vertical impact force; correcting a tunnel, namely, correcting the interior of the tunnel so as to form the complete tunnel cross section; circulating the steps till the tunnel is finally formed.

The invention discloses a circular leaching system for farmland polluted soil repair treatment. The system comprises an irrigation leaching system, a decontamination purifying system and a pure water storage and recharge system connected in sequence; drained water of the pure water storage and recharge system is supplied to the irrigation leaching system; the irrigation leaching system mainly consists of planting soil, an organic matter filter layer, a coarse sand filter layer, a double-wall corrugated seepage pipe and a water collecting pool; the planting soil, the organic matter filter layer, the coarse sand filter layer and the double-wall corrugated seepage pipe are arranged in sequence from top to bottom; an outlet of the double-wall corrugated seepage pipe is connected with the water collecting pool; and an outlet of the water collecting pool is connected with the decontamination purifying system. The system adopts the leaching method to reduce the content of pollutants in soil, and meanwhile, lowers the underground water level to prevent repeated pollution; and after polluted water permeated after soil leaching is decontaminated and purified, and the polluted water is recharged for irrigation leaching of the soil again, so that the pollutants in the soil are removed, farmlands are irrigated, and meanwhile, secondary pollution is not generated.

The invention provides a grouted steel pipe pile foundation strengthening system and a construction method thereof. A static pile pressing anchor rod is embedded in a bottom plate of a building structure to fix a pile pressing counter force frame, the self-weight loads capable of being applied by the building structure serves as pile pressing counter force, a jack is used for pressing pile sections of the steel pipe pile into the foundation section by section through a pile pressing hole reserved or chiseled in the bottom plate, construction is convenient, and the operation face and the operation space are small. During pile sealing, after the anchor rod is bent, connection ribs are used for being connected with anchoring ribs on the top of a steel pipe column into a whole. The non-contractible grouting material is used for connecting a pile head with the bottom plate of the building structure together, the purposes of improving the foundation bearing force and controlling sedimentation are achieved, and the enough length is designed according to the specific stress situation. Restraint type grouting is adopted in a lower pile body of the steel pipe pile, an enlarged pile body partis formed, the bond stress of the pile body and the surrounding soil body is enhanced, and therefore after grouting, the single-pile pulling resistance (anti-pressing) bearing force of the steel pipepile is enhanced, and integral stress is formed through the pile head and foundation rigidity connecting combination.

The invention discloses an advanced positioning directly-buried anchor bolt prefabricated pipeline support construction technology based on BIM. The technology comprises the following steps of (1) construction preparation; (2) optimizing a BIM pipeline; (3) drawing a directly-buried anchor bolt installation drawing; (4) main body pre-burying construction; (5) manufacturing a support; and (6) mounting the support. According to the construction technology, the construction procedure of an original pipeline support and hanger is improved, the construction period of the pipeline support is effectively shortened by combining the precise positioning technology of BIM and machining and distribution of factory supports, meanwhile, the steps of on-site welding and paint brushing processes are reduced, the green construction requirement is met, and the construction quality is remarkably improved; and pipeline integration and collision inspection are carried out through BIM, the pipeline is optimized and adjusted, positioning and paying-off are carried out on the surface of a formwork according to an optimized drawing, the directly-buried anchor bolt is fixed to the formwork, and accurate pre-burying of the anchor bolt is completed in advance through construction of main body concrete.

The invention relates to a prefabricated assembled tunnel and a construction method thereof. The tunnel comprises a plurality of prefabricated plates. Each prefabricated plate comprises upper cover plates and vertical supporting plates, wherein a segment bin is defined by at least two vertical supporting plates and at least one upper cover plate. In one segment bin, a bottom plate is arranged between the lower end portions of two adjacent vertical supporting plates. In one segment bin, the upper ends of the vertical supporting plates support the upper cover plates, and vertical fastening pieces are connected between the upper cover plates and the vertical supporting plates. The multiple segment bins are spliced into the tunnel in the longitudinal direction, and longitudinal fastening pieces are connected between two adjacent segment bins. Compared with an existing open cutting cast-in-place construction manner, the construction quality can be optimized, and the advantages that the construction period is short, and influences on the environment are weak are achieved.

The invention belongs to the technical field of slope greening, and in particular relates to rapid greening protection slope for an oligotrophic soil slope as well as a construction method thereof. The existing slope protection technology has the defect that the stability is low because a vegetation root system and the oligotrophic soil slope form a whole body difficultly. According to the technical scheme of the invention, the rapid greening protection slope for the oligotrophic soil slope comprises a three-dimensional geonet, nutritional soil columns, spiral steel piles and a base material layer; the nutritional soil columns and the spiral steel piles are arranged in soil below the three-dimensional geonet in a drilling way; the base material layer is arranged on the three-dimensional geonet; and the base material layer comprises a nutritional soil layer and a grass seed layer. The spiral steel piles are blade type spiral steel piles. The nutritional soil columns and the base material layer provide nutrition for the growth of vegetations on the oligotrophic soil slope and can promote rapid development of the slope vegetation root system. After the vegetations grow up, the root system, the vegetations, the three-dimensional geonet, the spiral steel piles and the slope form a whole body. The rapid greening protection slope for the oligotrophic soil slope is suitable for greening and slope protection under the oligotrophic soil environment.

The invention discloses an assembly type box culvert prefabrication installation construction method, an assembly type box culvert comprises a plurality of mutually connected box culvert sections and holes at two ends, each box culvert section comprises a top plate, a bottom plate and side walls, two ends of each top plate are respectively spliced with the side walls, the bottoms of the two side walls are in cast-in-place connection, a cast-in-place part is the bottom plate, and a cast-in-place part is connected with the bottom plate; the top plates, the bottom plate and the two side walls form a box-shaped channel, supporting feet protruding outwards are arranged at the bottoms of the side walls, two connectors of the top plates and the side walls are in an elbow shape and are freely hinged, and when different box-shaped culvert sections are connected, the top plates are connected through bent bolts. Prefabrication can be performed in the field in advance, the construction time is greatly shortened, the construction period is shortened, and civilized and green construction is promoted; during excavation construction, the working face is small, and damage and pollution to ground surface underground water and soil are greatly reduced; the quality of the culvert can be effectively improved, the appearance and the percent of pass of a protective layer are greatly improved, and good economic and social benefits are achieved.

The invention relates to a movable improved assembly type box culvert template and a construction method thereof, the movable improved assembly type box culvert template comprises a threaded pull rod, a bolt and a nut, and the movable improved assembly type box culvert template further comprises a movable base table, an outer template, an inner template, a concave end template and a convex end template, according to the cast box culvert, construction of a transportation road and prefabrication factory construction do not need to be carried out, casting, maintenance and installation of the box culvert can be completed beside a foundation pit where a box culvert line is arranged, and synchronous propelling can be kept along with propelling of a construction line; the transportation cost can be reduced, the tedious process is simplified, and the construction speed is increased.

The invention discloses a cast-in-situ lightweight concrete structure based on spiral steel piles and a construction method thereof, belonging to the technical field of slope roadbed strengthening, and solving the filling problem of high roadbeds of a high speed railway or a high way on a steep slope. The concrete structure comprises lightweight concrete casted on the side surface of a potential landslide layer of an original slope, wherein an upper structure is arranged at the upper end of the lightweight concrete, connecting rods are arranged at one end, close to the potential landslide layer, of the lightweight concrete, and a plurality of inversely-hung rapid joints are arranged on the connecting rods and are connected with spiral steel piles. According to the concrete structure, the advantages that cast-in-situ lightweight concrete is low in density, high in strength and low in construction disturbance and can be vertically casted can be adequately utilized, and meanwhile, the advantages that the spiral steel pile is wide in applicability, small in work plane, high in construction speed and good in durability are utilized, so that the stability of the original slope is improved, and the integrity of a lightweight concrete embankment and the original slope is improved.

The invention relates to the technical field of garbage temporary storage or garbage removal, in particular to a buried garbage can convenient for garbage collection and a garbage collection truck, the buried garbage can convenient for garbage collection comprises a frame and a buried garbage can, the bottom of the frame is provided with a through opening, the frame is movably provided with a garbage hopper, and the garbage hopper comprises a first box body; a partition plate is fixed in the first box body and divides the interior of the first box body into a garbage storage cavity and a garbage throwing cavity, a garbage inlet is formed in the lower surface of the first box body, one end of the garbage inlet is opposite to the through opening, and the other end of the garbage inlet communicates with the garbage throwing cavity; the bottom of one end of the first box body is rotationally connected with the frame through a shaft pin, and a lifting mechanism is assembled on the top of the other end of the first box body. Through mutual cooperation of the garbage collection vehicle and the buried garbage can, quick garbage collection is achieved, laying is facilitated, and the garbage collection vehicle is suitable for large-scale municipal use.