248results about How to "Long construction period" patented technology

A heat supplying system of water source heat pump utilizing condensed steam residual heat is prepared as adding heat net heater, steam leading-in pipe, condensed water leading-out pipe, heat net pump, heat net water supply pipeline, heat net returning water pipeline and heat pump based on original cooling system of power plant, utilizing added system to lead all or partial exhausted steam from steam turbine of power plant to heat net heater then to heat pump set at user location for extracting residual heat out from heat net circulation water and for heating it up to certain temperature as well as for supplying heat to user.

The invention relates to a precast assembly process of a prestressed concrete cylindrical hollow pier. The traditional process has the defects that construction period is longer, the cast-in-situ construction is greatly influenced by environment, and the construction quality can not be controlled easily. The precast assembly process of the prestressed concrete cylindrical hollow pier, which is provided by the invention, mainly comprises the following ten steps of: preparing a precast component, casting a bearing platform in situ, installing a transition section, installing a standard section, installing a pier top section, stretching a prestressed thick steel bar and anchoring at the part of a stretching and anchoring construction groove, grouting, casting concrete at the part of the prestressed stretching and anchoring construction groove at the upper end of the pier top section, protecting the anchoring end of the prestressed thick steel bar in a sealing way, and the like. The invention can save a large number of building materials, fully exert the action of high-strength materials and simultaneously shorten the construction period, is beneficial to quality control, and has high construction efficiency.

The invention discloses a grouped second liner construction method for a large cross-section tunnel. A whole toroidal second liner is constructed after being divided into 6 parts. The method comprises the following steps: 1), pouring and backfilling an inverted arch of a left lower hole; 2), pouring and backfilling an inverted arch of a right lower hole; 3), pouring a side wall second liner of the left lower hole through a lower hole trolley; 4), moving the lower hole trolley to the right lower hole to pour a side wall second liner of the right lower hole; 5), erecting a bracket in the right lower hole, assembling a right upper hole trolley, and pouring a right upper arch second liner; 6), erecting a bracket in the left lower hole, assembling a left upper hole trolley, and pouring a left upper arch second liner. According to the grouped second liner construction method, a relatively large cross section is divided into a plurality of small cross sections to carry out construction, although the construction procedures the time limit for a product are slightly increased in comparison with those of a traditional two-step construction method, the construction risk is yet reduced to a great extent, the construction safety guarantee coefficient is increased, an extremely important guide value is provided for the tunnel constructed with a CRD (center cross diaphragm) method in certain special urban environment conditions, the construction is smoothly completed on the premise of guaranteeing safety, and remarkable social benefits are achieved.

An FTTH optical access network architecture based on ''three-network integration'' belongs to the application field of multi-network fusion technology. The FTTH optical access network architecture comprises the following components: an accessed telecommunication public network, an accessed Internet, wireless transmission, a broadcast television access network, the existing local area network fireproof wall of the enterprise, the existing local area network core switch of the enterprise, a media gateway, a three-network integrated first-core switch session boundary controller, the fireproof wall, the switch, a NGN soft switching system, a narrowband charger, a network management system, a first database server, an intelligent service gateway, a gigabit Ethernet passive optical network GPON, an optical fiber line terminal device EPON, an optical amplifying unit, an ONU, a digital monitoring system, a wideband charger, a security service gateway, a server, an optical splitter, an AP, an optical network terminal ONT, an optical network terminal with a wireless home gateway, an optical network terminal M3-2401, an integrated access device and an integrated service aceess plateform. The FTTH optical access network architecture of the invention has the advantages of multi-network fusion, high bandwidth, high stability, low input and high return.

The invention discloses a foamed warm mix asphalt mixture and a preparation method thereof. The foamed warm mix asphalt mixture is obtained by treating 2-8.5% of foamed asphalt, 2-90% of novel aggregate (or 6-90% of old asphalt pavement material) and 1-15% of mineral powder according to a special process. Asphalt is foamed through the special process, the volume of the foamed asphalt is increased by above 10 times, and the viscosity is remarkably reduced. Therefore, the mixture can be uniformly mixed at a lower temperature of 100-150 DEG C, so that asphalt fume in the production process is avoided, and the energy consumption for preparing asphalt mixture is lowered. The asphalt mixture is completely attached to the surface of the building stones to form asphalt films. After the water is volatized, the asphalt mixture with better performance is formed. Compared with conventional asphalt mixture, the foamed warm mix asphalt mixture has the advantages that the mixing temperature can be reduced by 30-60 DEG C, and the paving difficulty is reduced.

The invention relates to an anchor rod construction method in a drilling, spraying and infusing integrated enlargement body; a single-pipe drilling, spraying and infusing aiguille equipped with a hydraulic controllable on-off auxiliary grouting hole and a long drillrig anchor rod driller which can implement the single-pipe high-speed spraying jet cutting technique are adopted to drill holes; when the drilled hole reaches a set depth, the aiguille is moved to a set position of an anchor root hole section; high-pressure clear water or grout is conveyed to the aiguille to produce a high-speed spraying jet cutting anchor hole sidewall and form an anchor root hole meeting the design need; after the operation of the anchor root hole enlargement is completed, the aiguille is lowered to the bottom of the anchor hole, then the aiguille is slowly retreated and the grout is continuously infused by the auxiliary grouting hole till the grouting of the anchor hole or the grouting replacement of the anchor hole is completed, then an anchorage cable body is lowered to the anchor hole with filled grouts to form the anchor rod of the enlargement body. The aim of the invention is to provide an anchor rod construction method in the drilling, spraying and infusing integrated enlargement body, which has high bearing capacity of the anchor rod, good durability, less construction equipment, simple technology, high efficiency, low cost and no pollution, and can carry out construction operation under the conditions of various stratums.

Provided is a method for pumping gas of a protected layer by layer penetration and hole drilling on high-position drilling fields of a protecting layer machinery tunnel. The high-position drilling fields are arranged in the protecting layer machinery tunnel at intervals, a plurality of layer-penetration drilled holes which are in three rows and penetrate through the protected layer are arranged towards the protected layer in each high-position drilling field, and after hole drilling in each high-position drilling field is finished, the holes are sealed, and a gas pumping pipe is connected to pump the gas. The method is suitable for gas exploiting in a protected layer exploiting technology, the gas of a protected layer can be pre-pumped prior to exploiting of a protecting layer, and the pressure-releasing gas of the protected layer is pumped after the protecting layer is exploited. The method is simple, can reduce construction cost, shortens exploiting cycle, eliminates potential safety hazards, and facilitates safety management.

Disclosed is a combined-type composite foundation with controllable rigidity piles, drainage materials and a reinforced cushion. The reinforced cushion is laid on the surface of a soft soil foundation. The vertical drainage materials and the rigidity piles with caps are arranged in the foundation. Grouting tubes are installed between pile tops and the pile caps to form a controllable supporting system. When grouting is not conducted on the grouting tubes, drainage consolidation is conducted through the soft soil foundation under the effect of an upper load so as to improve the bearing capacity. The bearing effect of the rigidity piles is difficult to play due to the fact that the rigidity piles are stabbed into the grouting tubes. When the grouting tubes are grouted and after slurry is hardened, the pile caps, the slurry and the rigidity piles form a rigidity support, and the goal that the load is undertaken by the piles and soil together to reduce settlement is realized. Meanwhile, the reinforced cushion has the effects of restraining the horizontal displacement of the piles and the soil, limiting the local deformation of a dyke and a dam and the like. According to the composite foundation, the bearing force of the foundation soil can be given full play; the using amount of the rigidity piles is reduced; the stability of the foundation is improved; the post-construction settlement and differential settlement are reduced; the construction period is shortened; and the composite foundation can be applied to projects such as highways, railways and earth-rock dams.

The invention relates to repeated use anchor fitting and its construction method. It is applied in foundation ditch anchoring, slope protection anchoring, electric force transporting tower wind proofing, large-scale billboard and temporary anchoring, road, bridge, and railway signs anchoring in industrial and civil architecture. Anchor fitting is made up of squeezing enlarging machine, connection link and spanner. The upper joint of the squeezing enlarging machine is connected to inner pipe, and connected to the under joint by axle pin. The under joint is connected to the outer pipe. The connection link outer pipe is connected by bearing and roll bearing. The spanner is connected to roll bearing. The invention presses metal anchor bar into soil and opens the squeezing enlarging machine to greatly increase anchoring force while anchoring. The anchor bar is metal, not need concrete pouring, so it is environmental protection. When the anchoring is finished, the squeezing enlarging machine can reclaim to use repeatedly. Thus it can save cost, and has no needless barrier left above or under ground.

The invention relates to the field of geotechnical engineering and discloses a saline soil roadbed filler and a method for improving a roadbed. The saline soil roadbed filler provided by the invention contains saline soil, soluble calcium salt, urea and a microbial preparation, wherein the microbial preparation contains urease and / or bacteria producing the urease. The saline soil roadbed filler provided by the invention has higher compressive strength; meanwhile, as microorganisms extensively existed in soil body are used, harm can not be done to the environment or a human body, the saline soil roadbed filler has the advantage of being environmentally friendly, a maintenance period also can be shortened, and construction efficiency is improved.

The invention discloses a double-layer roller-way kiln provided with a lifting device. The double-layer roller kiln comprises a double-layer roller-way device and the lifting device, the double-layer roller-way device comprises an upper layer kiln way and a lower layer kiln way, the upper layer kiln way is provided with a preheating chamber and a firing chamber, the lower layer kiln way is provided with a firing chamber and a cooling chamber, and the lifting device is arranged beside the firing chambers; the lifting platform comprises a fixing frame, a lifting platform, a roller platform located in the lifting platform and a lifting mechanism which drives the lifting platform to ascend and descend; the lifting platform comprises a lifting plate, a load-bearing plate and support plates which are located between the lifting plate and the load-bearing plate, and the roller platform comprises a rack, a chain wheel transmission device and roller rods; the lifting mechanism comprises a motor, a hauling cable and a balance weight. According to the double-layer roller-way kiln, the structure is simple, the operation is convenient, the manufacture and use can be conducted, the occupied area is small, and the management and maintenance are facilitated; meanwhile, the energy utilization ratio is high, the cost is saved, and the kiln is suitable for being used and popularized.

The invention discloses an anchor pile type caisson foundation, which includes a foundation body. A bore grouting pile is arranged below the foundation body. The invention also discloses a construction technique for an anchor pile type caisson foundation which includes the following steps: (1) sinking the caisson to a designed elevation; (2) drilling and grouting concrete in the caisson to form a bore grouting pile; (3) pouring bottom sealing concrete at the lower end of the caisson to carry out bottom sealing; (4) sealing the top part of the caisson. The invention fully optimizes the characteristics of the caisson foundation and a pile foundation; has a plurality of advantages and characteristics of reducing the construction cofferdams, reducing the project amount of the foundation, fastening the construction speed and having remarkable economic benefits; has extremely high popularization and application values.

The invention belongs to the technical field of preparation of road materials and discloses an epoxy resin / cement mortar compound concrete material and a preparation method therefor. The epoxy resin / cement mortar compound concrete material is prepared through compounding a high-porosity epoxy resin gravel mixture and high-fluidity polymer modified cement mortar in a specific compounding manner that internal pores of the high-porosity epoxy resin gravel mixture are filled with the high-fluidity polymer modified cement mortar, and a dense compound structure is formed after the high-porosity epoxy resin gravel mixture and the high-fluidity polymer modified cement mortar are subjected to consolidation molding. The preparation method comprises the following steps: 1) preparing the high-porosityepoxy resin gravel mixture; 2) pouring the high-fluidity polymer modified cement mortar; and 3) performing concrete curing. Compared with the prior art, the epoxy resin / cement mortar compound concrete material has the advantages of high comprehensive performance, good stability and durability, high cost performance, convenience in construction, long construction cycle, and the like and is relatively applicable to the paving construction of semi-flexible pavements.

The invention relates to a construction method of an indoor anti-static shielding mesh system. The shielding mesh system comprises roof surface shielding grids, ground shielding grids, wall surface shielding grids, window anti-static shielding grids and metal doors which are respectively formed by welding galvanized round steel of phi 8-12 millimeters, wherein all the grids are square. The construction method particularly comprises installation steps of all the grids. According to the method, a signal power supply room, a computer room, a machine room and the like which be required to be subjected to protecting and shielding on electromagnetic pulses adopt a room-in-room construction according to the Faraday electromagnetic shielding principle. The complete indoor anti-static shielding mesh system can be formed by installing and connecting the roof surface shielding grids, the ground shielding grids, the wall surface shielding grids, the window anti-static shielding grids and the metal doors. The whole system is simple in construction process, strong in operability and short in working cycle.

The invention discloses a pre-stressing reinforced and widened bridge structure, which comprises an old bridge, a widening beam I and a widening beam II, wherein the widening beam I and the widening beam II are parallelly and respectively positioned on the two sides of the old bridge and are rigidly connected in the transverse direction with the old bridge; the two ends of a pre-stressing rope or a pre-stressing rib are transversely and respectively arranged outward and are upwards inclined, extended and anchored on the widening beam I and the widening beam II; and the pre-stressing rope or the pre-stressing rib is acted on the old bridge through a steering device. While being widened, the old bridge can be reinforced by the structure, the stress between the newly added part and the old bridge is balanced, the occurrence and the development of defects of the old bridge can be effectively inhibited, the structure and the construction of the bridge are relatively simple, the structure of the old bridge is not damaged, the structural performance is reliable after the old bridge is widened and reinforced, the construction period is relatively short, the influence on road traffic is relatively small, the damage to natural environment and the adverse influence on society when the old bridge is demolished are avoided, and very good comprehensive technical, economic and social benefits are achieved.

The invention provides an anti-skid colored paving material for roads, and a preparation method and a construction process of the paving materials. The anti-skid colored paving material for roads comprises the following components in parts by weight: 40-50 parts of polymethyl methacrylate resin, 10-20 parts of calcium carbonate, 1-5 parts of nano silicon dioxide, 2-5 parts of inorganic pigment, 5-15 parts of bauxite and 5-8 parts of quartz sand. The anti-skid colored paving material for roads provided by the invention has a shortened hardening time, and the bauxite with excellent acid resistance, alkali resistance and chemical resistance is used as the main material, so that an original working procedure of additional removal of anti-skid aggregates can be omitted, and the problems that the aggregate easily peels off from the paving material and uniform spreading is difficult due to uneven aggregate shape existed in the additional removal of the aggregates can be solved. Pre-mixing iscarried out for coating the aggregate with the quartz sand, the aggregate does not fall off easily, the drying time is faster, the traffic condition can be reached only in one hour, and the traffic pressure is greatly reduced.

The invention discloses a simple reinforcing method of a vacuum electroosmosis combined prepressing soft soil foundation, and the method is used for overcoming the poor characteristics of high water content, high compressibility and low shearing strength of a sludge soft clay foundation. The simple reinforcing method comprises the following steps of: firstly, laying a geotechnical cloth or knitted mesh on the surface of a foundation to be processed; then arranging novel longitudinal drainage boards with different lengths, setting a transverse closed drainage system, hermetically connecting longitudinal and transverse systems, lapping conduction wire systems; laying a vacuum sealing film to ensure that the system does not leak air, and pumping water and gas passing through the novel longitudinal drainage boards and the transverse drainage system by using a vacuum pump; connecting the conduction wire systems to the positive pole and negative pole of a power supply, and pumping the water and the gas passing through the novel longitudinal drainage systems and the transverse drainage system by adopting a vacuum electroosmosis combined method; and finally, removing the sealing film, recovering the transverse drainage system and the conduction wire systems, and rolling and leveling ground.

The invention discloses a water-based epoxy terrace coating capable of releasing negative ions and a preparation method for the water-based epoxy terrace coating. The coating is a double-component emulsion coating and consists of a component A and a component B, wherein the component A comprises water-based epoxy resin emulsion, deionized water, a wetting dispersing agent, a defoaming agent, titanium white, a negative ion additive, quartz powder, precipitated barium sulphate, a thickening agent, a substrate wetting agent and water-based color paste; and the component B comprises a water-based epoxy hardener and the deionized water. Besides the advantages of the ordinary water-based epoxy terrace coating, the prepared water-based epoxy terrace coating has the functions of releasing the negative ions and emitting far infrared, can decompose and remove harmful gases such as methyl aldehyde and the like in air quickly and inhibit the survival of mycetes, and is long in valid period of construction and convenient to construct.

The invention relates to the field of mooring positioning technology and discloses a mooring positioning device for an open caisson and a construction method of the mooring positioning device. The device comprises front positioning structures, rear positioning structures, left side anchoring ingots, right side anchoring ingots, fair leads, mooring ropes and mooring rope take-up devices. The front positioning structures and the rear positioning structures are arranged on the upstream position and the downstream position of the open caisson, and the left side anchoring ingots and the right side anchoring ingots are arranged on the left side and the right side which are perpendicular to the water flow direction; the fair leads and the mooring rope take-up devices are arranged on the open caisson in a one-to-one correspondence mode; one side anchoring ingot is connected with one mooring rope take-up device through one set of mooring ropes via one fair lead, one positioning structure is connected with one mooring rope take-up device through one set of mooring ropes via one fair lead, and acting points of the mooring ropes are located at riverbed positions of the positioning structures. The device is a rigid positioning system with a few mooring ropes, the positioning structures and the side anchoring ingots correspond to top positioning devices of the open caisson one to one through the mooring ropes so that definite stressing can be achieved, and the positioning structures are stressed on the riverbed surface. The device is free of deepwater influences, easy to construct, capable of accurately positioning the open caisson and high in work efficiency.

The invention discloses a continuous mixing type water plugging technique, which comprises the following steps of: a, taking and mixing 2-10 parts of main-body plugging agent and 100 parts of clear water so as to form a main-body plugging agent liquid, and then injecting the main-body plugging agent liquid into a stratum; b, enabling the main-body plugging agent liquid in a shaft to enter into a reservoir stratum of an oil well by using clear water in an overhead mode; c, closing the well to wait for coagulation, namely, the main-body plugging agent liquid is formed into high-viscosity elastic gel after being reacted for 3-24 hours at a temperature of 30-90 DEG C, and the high-viscosity elastic gel blocks micro fractures and water passageways for matrixes in the reservoir stratum, thereby realizing the effectively blocking on the water-logging oil well; and d, opening the well and carrying out pumping, carrying out pumping on the oil well according to standard oil well pumping procedures and putting the oil well into operation. Compared with the prior art, the technique disclosed by the invention solves the technical problem that in the conventional water plugging technologies, due to the injection of a large mount of plugging agents, phenomena such as poor blocking effect and short period of validity are easy to cause; meanwhile, the technique also solves the technical problem that the existing single injection type water plugging process is long in construction period, so that the manpower and equipment burdens, especially the treatment of residual liquid after the construction is completed, are increased.

A simple floating heat exchanger pressure test tool comprises a heat exchanger barrel, a fixed tube plate, a floating tube plate and a heat exchange tube bundle. A tube box side flange and an outer head cover side flange are welded at two ends of the heat exchanger barrel respectively, the fixed tube plate and the floating tube plate are welded into an integral structure through the heat exchange tube bundle, the outer head cover side flange and the tube box side flange are matched to fix the fixed tube plate at one end of the heat exchanger barrel, the other end of the heat exchanger barrel is provided with a pressure test barrel section with the floating tube plate fixed in the section, the pressure test barrel section achieves connection of the heat exchanger barrel and the pressure test barrel section by means of matching of the tool flange arranged on the pressure test barrel section and the outer head cover side flange, a sealing gasket matched with an annular cutting groove formed in the inner surface of the pressure test barrel section is arranged on the floating tube plate, and an air hole applying pressing force on the sealing gasket is formed in the pressure test barrel section. The test tool avoids traditional welding connection of the pressure test barrel section and the floating tube plate, facilitates disassembly after pressure test and is good in sealing effect in the pressure test process.

The invention discloses a horizontal well one-time multi-section open-hole gravel pack sand-proof well completion pipe string and a method. The horizontal well one-time multi-section open-hole gravel pack sand-proof well completion pipe string comprises a well completion pipe string body and a pack sand-proof service pipe string body, wherein the pack sand-proof service pipe string body is arranged in the well completion pipe string body; the pack sand-proof service pipe string body comprises a drilling-free plug stage collar, a packing sliding sleeve assembly and sand filtering tubes, and the drilling-free plug stage collar, the packing sliding sleeve assembly and the sand filtering tubes are sequentially connected from front to back; the pack sand-proof service pipe string body comprises a liquid separation sealing device, a double-layer pipe, an upper positioning device, a packing assembly, a circulation assembly, a lower positioning device, a closing tool and an opening tool which are sequentially connected from the front to the back. At least two sand filtering tubes are arranged, and a heat-sensitive compensator and an open-hole packer are connected between every two sand filtering tubes. The tail end of the well completion pipe string is connected with a well washing valve. One-time multi-section packing can be achieved, infinite series packing can be achieved, segmented packing is achieved outside a pipe in a real sense for the first time, and the packing effect is improved. Horizontal section segmentation is completed, and requirements of post-selective production, segmented steam injection and other measures can be met.

The invention discloses an automatic detection system and method for a grid-side energy storage monitoring AGC control system. The automatic detection system includes an automatic test end, a main station simulation end, a BMS system simulation end and a PCS equipment simulation end. PCs where the automatic test end, the main station simulation end, the BMS system simulation end and the PCS equipment simulation end are located respectively and a PC where a tested energy storage monitoring AGC system is located are connected to the same switch, are configured with IEC-104 parameters, and are connected by communication. The problems of high cost, long construction period and a small number of simulation devices for the function test, pressure test and stability test environment of the grid-side energy storage monitoring AGC system as well as the difficulties in simulation of a large number of abnormal device behaviors and devices with special states and mutual cooperation between devicesin the existing method are solved.

The invention provides a floating type sea wave power generation facility, which belongs to the filed of renewable energy sources, is different from the prior sea wave power generation technology in the world, comprises a hard cabin, a soft cabin, a guidepost, a mooring gear, a power plant compartment and the like and is a brand new technology of utilizing wave forces and power of gravity to generate electricity. A piled anchor and mooring ropes in the mooring gear vertically fix the hard cabin, the soft cabin and the guidepost at the proper positions in the sea; the watertight power plant compartment is sleeved on the guidepost and is pushed by sea wave to do up-and-down motion; and a counter weight slide block in the power plant compartment moves up and down along the sea wave to drive a heavy-duty hydraulic cylinder to do work so as to enable high pressure oil to be pushed by a high-pressure oil tube in order to push the hydraulic motor to rotate to drive a generator to generate electricity. The technology of the invention has high promotion and application values under the conditions of undeveloped wide sea area of our country, serious coal-fired power pollution and shortness of energy sources.

The invention provides a method for carrying out dynamic compaction composite treatment on a sludge soil foundation through gravel piles, a drain board and an upper filling body, and belongs to the technical field of building foundation treatment. The method comprises the steps that S1, a construction cushion layer is laid; S2, construction of the gravel piles is achieved, and a vibration sunken tube method is adopted; S3, geotechnical cloth and a cushion layer below the tops of the gravel piles are laid; S4, construction of the plastic drain board is achieved; S5, an upper cushion layer and geotechnical cloth are laid; and S6, layered and staged dynamic compaction of the filling body is achieved. By means of the method, the advantages of preloading and dynamic compaction dynamic consolidation of the gravel piles and the plastic drain board are achieved fully, the advantages are complemented, and the defects of a single foundation treatment method are avoided.

The invention provides a bridge expansion joint structure which comprises a concrete layer, section steel, embedded bars and a packing layer, wherein, the concrete layer mainly comprises an elastic concrete layer and an epoxy resin concrete layer, wherein, the elastic concrete layer is positioned above the epoxy resin concrete layer, and the epoxy resin concrete layer is arranged above adjacent beam slabs or above adjacent beam slabs and abutment coping back walls. The construction technology of the bridge expansion joint structure is to pour concrete on the beam slabs or the abutment coping back walls, and comprises the following specific measures: coating a binder on the beam slabs or the abutment coping back walls; pouring epoxy resin concrete on the binder and curing for 1 hour; painting the binder on the cured epoxy resin concrete; and pouring elastic concrete on the binder painted on the epoxy resin concrete and curing for 2 hours. The bridge expansion joint structure and the construction technology provided by the invention have the beneficial effects of high strength, simple construction technology, short curing time and low construction cost.

The invention discloses a constructing method for a high-rise building elevator shaft through an elevating type safety protection steel platform, comprising the steps of: firstly, manufacturing a steel platform matched with the size of an elevator shaft, then installing the steel platform inside the bottom layer of the elevator shaft, carrying out elevator shaft construction operation by constructors standing on the steel platform, elevating the steel platform layer by layer after the construction on the current operation layer is completed until the steel platform is elevated to the elevator shaft of the upper floor to facilitate the elevator shaft construction operation, sealing the lower elevator shaft after the steel platform is elevated, and repeating the steps until the elevator shaft construction on all the floors of the whole building is completed. The construction method is featured by safety, simplicity and convenience for operation, easiness for construction, obvious economic benefits and the like, has the greatest advantages of saving lease expense of raw materials and facilitating cost control, and is particularly suitable for high-rise buildings and multistoried buildings with longer construction periods.

The invention relates to a construction method of a red sandstone roadbed, which adopts special mechanical assembly. Aiming at the mechanics of the I type red sandstone roadbed and the II type red sandstone roadbed and the analysis of the road performance, a large-tonnage special compacting machine is used for rolling, wherein the rolling comprises the rolling, the crushing and the compactly extruding through a YZTY-22T pulling type cavel with the vibrating force of 45t, the rolling through a YZ32 ultra-large vibrating force vibrating road rolling machine, and the shocking and the reinforcing through a QCY360 (25KJ trilateral double wheels) shocking road rolling machine. The linear standard of the super highway is high and the work amount of filling and cutting is large, so that the design of wiring can not avoid a wider red sandstone zone and a mass of red sandstones have to be dug up during constructing. If the roadbed can not be filled with the red sandstones but the far-distant other materials, not only the construction period is delayed, but also the construction cost is high. Meanwhile, areas for borrowing and abandoning the soil are difficult to find, so that the existing construction mode can pollute the environment and bring much future troubles. The construction method well makes use of the spot red sandstones, reduces the construction cost, saves the resources, and is good for the civilized construction and the environment protection.