60results about How to "Construction occupies less land" patented technology

The invention discloses a method for reinforcement construction of soft soil foundation by exchange-filling with foam lightweight soil. The method adopts high-strength foam lightweight soil as filler for foundation pits. Due to pumping construction, the construction of a construction road is omitted, the construction floor occupation is small, the construction difficulty is reduced greatly while the construction period is shortened, the post-construction settlement of the filler is eliminated effectively, the additional pressure of foundation to underground pipelines is decreased, the nonuniform settlement and lateral displacement of foundation are suppressed, and the stability of roadbed is improved. Therefore, the method can ensure safety of underground pipelines, but also meet the bearing capacity requirement of foundation.

The invention relates to an integrated working machine for a non-excavation pipeline, belonging to the field of engineering machinery. A rigid working head, a supporting machine, a pipe wall tensioning machine, a spiral pusher, a supporting machine and a control box are spliced to form the integrated working machine for the non-excavation pipeline. The working machine provided by the invention isspecial machinery specially used in cleaning silt, cleaning and checking the dragging and pushing operation in a pipe for a pipeline at the state of non-excavation, and can maintain the partial defects of the inner part of the pipe. The working machine has the advantages of small flooring area, low noise, rapid speed, high concealment, good enginnering safety and civilized construction, does not damage to the ground environment, does not influence traffic, the normal life and working order for people, is environmentally-friendly construction machinery, and is good helper for management pesonnel and maintaining personnel for city management; and the machine has the advantages of working efficiency, low construction cost, energy conservation, time and labor conservation, and high automoticity and is simple in operation, is convenient to maintain the pipeline, the service life of a pipe body is prolonged, the operation cost of the pipeline is reduced, and the econimoc benefit is improved.

The present invention relates to piping no dig construction technique. The level orienting drill pass through tamping bushing separation egg gravel technique first need to build a work pit, its improvement is that: it has the following steps: (1) laying rail; (2) mounting tamping pipe hammer; (3) tamping steel bushing; (4) digging out earth from the bushing; (5) mounting a central position pipe. The technique combines the tamping bushing construction technique with the level orienting drill construction technique, solves the problem that the construction can not be proceeded caused by the unsteady of the ground at two ends of earth in and out points in the level orienting drill construction, and has the following characteristics: (1) adapting to piping for multiple earth layers, backfill layers, running sand layers and various gravel containing ground layers. (2) The ground will not generate apophysis or sedimentation phenomenon, the ground layer adaptability is strong, piping speed is fast and can be to 25m/h. (3) the construction occupies small ground. The tamping bushing construction work surface is in the orienting drill pass through drill ground, occupies small ground, has small earth cubic, and convenient in operation.

The invention discloses a soil pressure balancing method. The problems that in the jacking pipe operation process, over-excavation and under-excavation may happen when a face earthwork is excavated, a surrounding soil body is likely to be disturbed, the road on the ground is damaged, a building sinks and deforms, and an underground pipeline is broken are solved. According to the technical scheme, the soil pressure balancing method is characterized by comprising the following steps that firstly, construction preparation is made; measuring and setting-out are conducted; thirdly, equipment is arranged in a work well; fourthly, wall penetrating hole treatment is conducted; fifthly, jacking pipe equipment is installed; sixthly, a jacking pipe penetrates out of a wall penetrating hole; seventhly, pipeline installation is conducted; eighthly, jacking is conducted; ninthly, the jacking pipe enters the hole; tenthly, a tool pipe is taken out; and eleventhly, hole treatment is conducted. By means of the soil pressure balancing method, over-excavation and under-excavation generated when the face earthwork is excavated are reduced, the disturbance to the surrounding soil body is reduced, the damage to the road on the ground is reduced, and meanwhile the phenomena that the building sinks and deforms and the underground pipeline is broken are reduced.

The invention discloses a steel structure cutting demolition vehicle comprising a base located on the ground. A mechanical arm mechanism is arranged on the base; a cutting platform mechanism is arranged on the mechanical arm mechanism, and a cutting feeding mechanism is arranged on the cutting platform mechanism; a traveling mechanism is arranged on the lower portion of the base, a controller anda battery box are arranged on the base; the power source input end of the controller is electrically connected with the power source output end of the battery box, and the power source output end of the controller is electrically connected with a first mechanical arm linear motor, a second mechanical arm linear motor, a longitudinal cutting angle stepping motor, a transverse cutting motor, the cutting feeding mechanism and the traveling mechanism; and the signal output end of the controller is electrically connected with the first mechanical arm linear motor, the second mechanical arm linear motor, the longitudinal cutting angle stepping motor, the transverse cutting motor, the cutting feeding mechanism and the traveling mechanism. The steel structure cutting demolition vehicle has the beneficial effects of being simple in structure and high in practicability.

Provided is an arched beam combination bridge lifting construction method. An arched beam combination component comprises five beam sections, three arch ribs, temporary supports 13, a foundation embedded part 14, permanent supports 15 and slings 16, wherein the five beam sections comprise an A beam section 8, a B beam section 9, a C beam section 10, a D beam section 11 and an E beam section 12; and the three arch ribs comprise an A arch rib, a C arch rib and a B arch rib 4, wherein the A arch rib is formed by an A-1 arch rib 1, an A-3 arch rib 2 and an A2 arch rib 3, and the C arch rib is formed by a C-1 arch rib 5, a C-3 arch rib 6 and a C-2 arch rib 7. Lifting construction is performed on the temporary supports and the permanent supports in a balanced sequence of first performing beam construction and then performing arch construction, the span of the arched beam combination component can be greatly improved, auxiliary construction of the temporary supports and the like is less, an occupied space in construction is small, the construction environment is tidy, influence on ground traffic of the construction site is small, manual consumption is greatly reduced, erection of a whole bridge can be finished only by fewer workers, construction cost is reduced, and a construction period is shortened. Operation in construction is convenient, and construction safety and construction quality are easy to control.

The invention discloses a high-altitude sliding hoisting device of a corridor truss of a mountain and an implementing method of the high-altitude sliding hoisting device. The problem that a crane hoisting mode or a climbing pole hoisting mode cannot be used in a cliffy mountain in the prior art is solved. The high-altitude sliding hoisting device of the corridor truss of the mountain comprises supports, a sliding frame, a sliding rope and a traction mechanism; the supports are arranged at two ends of a mounting platform; the sliding frame is arranged on the top of the mounting platform and consists of upright columns; the sliding rope and the traction mechanism are used with the sliding frame; a crossbeam is arranged on tops of each two upright columns at the same end; rib plates with through holes are arranged on each crossbeam and are close to positions where the crossbeam is connected with the corresponding upright columns; the sliding rope penetrates in the rib plates on the tops of two ends of the sliding frame; two tips of the sliding rope are anchored to the support; and the corridor truss is positioned in the sliding frame, is dragged by the traction mechanism, and moves on the sliding rope through a movable pulley mounted on the sliding rope. By the high-altitude sliding hoisting device, technology quality of manufacturing assembly and hoisting of the corridor truss is ensured, construction safety and precision are ensured, construction cost is reduced greatly, and construction period is shortened.

The invention discloses a construction method of a lightweight concrete batten partition door opening. Galvanization square steel pipes are adopted to replace concrete structural columns/jamb on dooror window and concrete lintels. The construction method has the advantages that construction is convenient, the construction quality is high, the construction period is short, energy is saved, and environment protection is achieved.

The invention discloses a high-pressure grouting device for deepwater karst fissure development geology and a construction method. The construction method mainly comprises the five steps of material preparation, positioning, drilling, pipe placing and grouting; firstly, grouting raw materials and grouting equipment needed for grouting are prepared; secondly, preliminary and accurate point positionlofting is conducted according to a hole distribution drawing of a design drawing; thirdly, a drilling machine is used for being placed downwards from the interior of a sleeve to a hole opening of ariverbed face; fourthly, the drilling machine is started, a drill rod is placed downwards for drilling, and after drilling is completed, high-pressure hole washing is conducted, and drilling slag in ahole is cleaned up; and finally, the drill rod is lifted out, a steel flower pipe, a slurry conveying pipe and a sleeve housing material which are mounted are placed downwards to the hole bottom in asegmented manner through the lifting function of the drilling machine, then pressure testing is conducted firstly, and normal grouting is conducted after confirming that no error exists. By means ofthe high-pressure grouting device for deepwater karst fissure development geology and the construction method, the vulnerable geology such as karst caves and karst fissure fracture zones in deepwaterrivers can be reinforced, and in the construction process close to an existing bridge, the vibration influence of a newly-built bridge on an old bridge foundation in the pile foundation construction process can be reduced.

The invention provides a rapid estimation method for physical and mechanical parameters of tillite soil, which summarizes the statistical relationship between the moisture content, the porosity ratio,the clay content and other physical and mechanical parameters through a large amount of field tests in the early stage and data analysis of indoor tests. The method comprises the following steps: firstly, simply testing the water content, the natural density and the clay content of a fresh section of a tillite soil accumulation body; estimating other relatively complex engineering mechanical indexes such as the porosity ratio, the compression index, the shear strength, the compressive strength, the permeability and the expansibility according to the test data statistical relational expressionamong the parameters, so as to quickly and preliminarily evaluate the field stability; and then according to an evaluation result, selecting a dangerous site in a targeted manner for detailed exploration. Compared with the prior art, the method has the advantages that the working period of exploration and evaluation can be shortened, the types and processes of parameter testing are reduced, the economic cost is reduced, and the method has remarkable applicability advantage for exploration and evaluation of tillite soil in marine glacier areas with high alpine regions, high altitudes and severe topographic conditions in the southeast of Tibetan Province.

The invention discloses a cement concrete cored pile construction integrated type cored pile driver. The cement concrete cored pile construction integrated type cored pile driver comprises a mixed pile machine for implementing construction of cement mixed piles, and a pile driving device for pressing core piles into cement-mixed piles, wherein the pile driving device is mounted onto the mixed pilemachine and comprises a pile driving platform, a vibrating hammer, a guiding rack for guiding the vibrating hammer, and a pile conveyer arranged at the bottom of the vibrating hammer. Meanwhile, theinvention also discloses a cement concrete cored pile construction method. The cement concrete cored pile construction method comprises the steps of setting of the mixed pile machine, construction ofthe cement-mixed piles, displacement of the mixed pile machine, installation of the core piles, vertical driving of the core piles and pile pressing. The cement concrete cored pile construction integrated type cored pile driver is reasonable in design, simple in construction, high in construction efficiency and good in use effects, capable of completing construction of the cement-mixed piles and pressing of the core piles during construction of cement concrete cored piles, and high in construction speed; meanwhile, during the pile pressing process, the perpendicularity of the core piles is easy to control to effectively ensure the quality of the constructed cement concrete cored piles and guarantees the treatment effects of land foundation reinforcement.

The invention discloses an air duct formed by expanding excavation of multiple layers of temporary construction channels and a construction method, the air duct comprises a temporary construction vertical shaft, one side of the temporary construction vertical shaft is provided with the temporary construction channels, and six layers of temporary construction channels are mounted. Air duct middle pilot tunnels are arranged at the left sides of the temporary construction channels, and four layers of air duct middle pilot tunnels are mounted. Air duct left pilot tunnels are arranged at the left sides of the air duct middle pilot tunnels, and four layers of air duct left pilot tunnels are mounted. A station body is arranged at one sides of the temporary construction channels, the air duct middle pilot tunnels and the air duct left pilot tunnels. By means of the air duct construction method, the problems that in a traditional method, station body construction and air duct construction occupy places correspondingly, construction supporting facilities are arranged correspondingly, economy is poor, and underground space is wasted are solved; and the temporary construction channels for underground excavation of the station body construction is combined with the station air duct, one piece of construction land is saved, a set of construction supporting facilities is saved, the temporaryconstruction channels needing to be abandoned are reasonably utilized, investment is saved, and waste of underground space is avoided.

The invention discloses a method for constructing a large pontoon-type decanter. The method comprises the following steps of: distributing parts to each sewage treatment tank, and transporting to a site; fixedly arranging a decanter bracket at the bottom of the sewage treatment tank, erecting a bracket close to a tank wall provided with a through-wall pipe, arranging the decanter on the decanter bracket, and arranging a bent pipe on the bracket; connecting the through-wall pipe and one end of a water inlet pipe through a flange, connecting the other end of the water inlet pipe and one end of the bent pipe through a connecting bolt, connecting one end of a rubber hose and the other end of the bent pipe, and fixedly connecting the other end of the rubber hose and one end of a decanter steelpipe; connecting the other end of the decanter steel pipe to the decanter, and arranging a decanter pontoon on the top of the decanter; removing the bracket; and performing a full water test. The method has the advantages that by constructing a temporary bracket, the decanter is conveniently and reliably installed; the bracket can be recycled, so that material waste is avoided, cost is low, and construction time is short; the safety factor of each joint is high; and a small area is occupied during construction.

The invention discloses a soft soil foundation reinforcing method based on cement concrete cored piles. Multiple cement concrete cored piles, vertically distributed, are adopted to reinforce a soft soil foundation; and the method comprises the steps of: (1) prefabrication of the cored piles; (2) conveying of the cored piles; and (3) reinforcement of the foundation: the cement concrete cored pilesare constructed by adopting an integrated cored pile machine; and when any one cement concrete cored pile is constructed, six steps of placement of the pile machine in place, construction of cement stirring piles, shifting of the pile machine, installation of the cored piles, vertical placement of the cored piles and pressing of the piles are carried out. The method is simple in step, reasonable in design, convenient for construction, high in construction efficiency and excellent in use effect; after prefabrication of all the cored piles, the integrated cored pile machine finishes the construction of the cement stirring piles in the cement concrete cored piles and the pressing process of the cored piles, so that the construction speed is high; and the verticality of the cored piles in thepile pressing process is easily controlled, so that the quality of the formed cement concrete cored piles can be effectively guaranteed, and the reinforcing effect of the soft soil foundation is guaranteed.

The invention consists of back guy and board. The back guy and board both are made of high tensile strength material. Both ends of back guy are anchored at the mountain body beside the river. The board is fixed on the back guy, and its bottom and broadside is building in riverbed and rock mass beside river by using cement concrete or mortar. With the invention, the dam can be built from top to bottom, and construction can not be influenced by water flow of river.

The invention discloses a water-stop curtain for a swirl pool and a construction method thereof, belonging to the construction field of an underground circular swirl pool. It includes the outer cylinder of the swirling pool, supporting piles and water-stop piles. A row of supporting piles is set outside the outer cylinder of the swirling pool, and water-stopping piles are set outside the supporting piles. Water-stop piles are overlapped between two contacted water-stop piles. The support piles are bored cast-in-situ piles. Drill holes with a drilling rig, lower the steel cage into the hole, pour cement, and weld a section inside the support piles. The steel bars are used to form a whole with the outer cylinder wall of the whirlpool, and the supporting piles are used as part of the wall thickness of the outer cylinder of the whirlpool, which saves cost, increases the self-weight of the whirlpool, and increases the buoyancy resistance. The number of water-stop piles is more than two rows. The water-stop piles adopt the construction technology of high-pressure jet spray piles, and the support piles are set at equal intervals to prevent water from entering the whirlpool. At the same time, they can also bear the lateral pressure of the soil, and the construction is convenient.

The invention discloses a platform for sliding a furnace shell in a high furnace limited space. The platform comprises a furnace opening, a first platform body and a second platform body. The first platform body is arranged on the furnace opening and connected with the second platform body. A first flat slide way is arranged on the first platform body. A second slide way is arranged on the second platform body. According to the technology, the furnace shell can efficiently and safely slide in the high furnace limited space, the production cost can be reduced, and the construction quality can be ensured.

The invention belongs to the technical field of comprehensive pipe gallery construction, and in particular relates to a support construction structure and process of a fully prefabricated, spliced andsuperposed comprehensive pipe gallery. The support construction structure comprises a prefabricated comprehensive pipe gallery and further comprises prefabricated support piles, a prefabricated external anchor pile and a prefabricated crown beam. Adjacent prefabricated support piles are in bell-and-spigot joint together, the prefabricated support piles and the prefabricated external anchor pile are in bell-and-spigot joint to the prefabricated crown beam, and the prefabricated comprehensive pipe gallery and the prefabricated support pile are connected by a wet process. Construction of prefabricated and spliced structural parts is carried out fully from a foundation pit support in construction of the comprehensive pipe gallery to later main body structure, and the support structure and themain body structure are superposed fully to reduce the thickness of the main body structure, so that the steel amount and the concrete amount of the structural parts are alleviated, the cost is saved, the occupied area for construction is reduced, and the construction period is shortened.