124results about How to "Improve the consolidation effect" patented technology

The invention provides an intelligent fiber reinforced plastic (FRP) anchor rod, and belongs to the technical field of safety monitoring of geotechnical engineering. The intelligent FRP anchor rod is characterized in that the rod body is sequentially equipped with a fiber-fiber Bragg grating (FBG) sensor and an FRP wrapping layer from inside to outside, wherein the fiber-FBG sensor refers to a single-mode fiber in which one or more FBGs are written, or two parallel sensing fibers (including one common single-mode fiber and one single-mode fiber in which one or more FBGs are written). In the invention, the fiber-FBG sensor respectively transmits the sensed temperature or strain optical signals to a Raman optical time-domain reflectometry (ROTDR) demodulator, a Brillouin optical time-domainanalysis/reflectometry (BOTDA/R) demodulator and an FBG demodulator through optical switch connection and conversion. The intelligent FRP anchor rod has the beneficial effects that the embedded fiber-FBG sensor integrates test advantages of an ROTDR temperature measurement technology, a BOTDA/R test technology and an FBG test technology, thus improving reliability for long-term test of ambient temperature and strain state of the anchor rod.

The present invention discloses a green expansive cementing material based on salt chemical industry solid waste and building garbage, and a preparation method thereof, wherein salt-containing chemical industry waste (salt mud, carbide slag and mirabilite), building garbage (gravel, broken bricks and concrete blocks), steelmaking plant waste residue (water residue and steel residue) and power plant desulfuration gypsum are matched with an expander, a water reducer, a soluble calcium salt and other components, and fine grinding and uniform mixing are performed to prepare the green expansive cementing material. According to the present invention, the salt mud, the carbide slag, the mirabilite and other solid waste produced by the salt chemical industry enterprise are digested while the building garbage, the desulfuration gypsum, the water residue and other solid water are subjected to the resource utilization, such that the green expansive cementing material is the green environmental protection cementing material; and the green expansive cementing material has characteristics of good expansion property, good fluidity, good consolidation property, good early strength, active tightening and effective earth's surface sinking control, is the cementing material for mine, and is particularly suitable for the filling mining of coal mines or non-coal mines.

The invention discloses shield synchronous grouting. The shield synchronous grouting is prepared from the following components in parts by weight: 100-150 parts of cement, 600-700 parts of sand, 150-210 parts of flyash, 30-35 parts of heavy calcium powder, 1-1.5 parts of cellulose ether, 40-50 parts of sodium-based bentonite, 20-40 parts of admixture, 10-20 parts of desulphurization gypsum powder,550-650 parts of water, 20-30 parts of silicate powder and 10-20 parts of lime. The slurry prepared with the shield synchronous grouting has high flowability and shrinkage resistance and favorable stability and cohesion, is injected into stratum through a shield support ring and a shield tail inner pipeline system, heavily uses industrial waste of flyash at the same time, and is environmentally friendly. 42.5 R ordinary silicate cement is adopted as a synchronous grouting material to improve corrosion resistance of a grouting stone body, enable a pipe segment to be coated by corrosion-resisting grouting stone body, reduce the corrosion of ground water on pipe segment concrete, and fill an annular gap as soon as possible. Therefore, the pipe segment supports the stratum as early as possible, and deformation of the ground is prevented from being too great to endanger surrounding environment.

The invention relates to a material for regulating and improving the soil structure, soil compactness, and soil chemical properties and physical properties of a swelling soil roadbed. The technical scheme is that: a swelling soil stabilizer comprising a main component of dodecylbenzene sulfonic acid and a swelling soil firming agent comprising a main component of polyvinyl alcohol are combined to improve the chemical and physical properties of swelling soil. The swelling soil stabilizer regulates the components and molecular structure of the swelling soil so as to improve the structure, compactness and expansion and shrinkage performance of the swelling soil, and recombine the structure of the swelling soil; the firming agent is used to firm swelling-shrinking soil, reduce the swelling ratio, improve bearing capacity and reduce construction cost so as to reasonably use human, financial and material resources, and the aim that civil engineering including road engineering is durable is fulfilled; and after being rolled, the soil can be compressed to achieve high compactness, reduce an osmotic coefficient and improve soil consolidation capacity, so that the damage of water to the roadbed is reduced and the frost boiling phenomenon of the roadbed is effectively prevented.

The invention discloses a dust suppressing agent prepared on the basis of microorganisms and a use method thereof. The microorganism dust suppressing agent is prepared by mixing a bacterium solution and a calcium-ion solution by proper matching ratio. The use method of the dust suppressing agent comprises the following steps: the dust suppressing agent is uniformly sprayed on the surfaces of raise dusts; according to the actual need, the used amount of the dust suppressing agent for treating the raise dusts with the stacking volume being 1m<3> is 300-400L, and the 1-3 treating times are carried out according to the effect need. The dust suppressing agent has the advantages that the dust suppressing effect is obvious, the evaporative resistance, the wind-erosion resistance and the durability are respectively and greatly superior to those of the sprinkling mode for suppressing dusts when in raise-dust treatment, the greenhouse gas CO2 is absorbed in the reaction process, no toxic and harmful substance is generated, and the environmental friendliness and the economy are good.

The invention discloses a printing method for the instep, preparing an instep and a printing device which possesses a mould plate and a print element. Burning the instep with laser beam and making the instep form a position fix space which can penetrate one layer and eliminate the dermatoglyph in fluctuation type, when printing the right amount paint in the position fix space using the printing device, a pattern unit is formed in the position fix space.

The invention relates to a silt adhesive and a preparation method thereof. The silt adhesive is characterized by being prepared by mixing the raw materials including 1.0 to 10 percent of starch adhesive, 0.1 to 5 percent of polymer emulsion, 0.1 to 1 percent of plasticizer, 5 to 30 percent of clay, 0.01 to 0.5 percent of assistant and 55.5 to 93.97 percent of water. The silt adhesive has the characteristics of providing a micro environment suitable for plants to grow, along with excellent solidification effect, low cost and environmental protection.

The invention discloses a rapid film-forming dust suppressant for a high-intensity building construction site. The rapid film-forming dust suppressant is obtained by adding water-soluble nonionic mono-ether substituted cellulose ether into a dust suppressant taking calcium alginate as a main film-forming component, wherein the calcium alginate is obtained through a reaction between a sodium alginate solution and a calcium chloride solution, and the water-soluble nonionic mono-ether substituted cellulose ether is methylcellulose. After cellulose is added into the dust suppressant, the dust suppressant disclosed by the invention still has good rapid film-forming properties and caking properties, can effectively solidify surface layer fine particles and rapidly form a dense film on the surface to cover the exposed earth surface, the film intensity of the dust suppressant is also greatly improved and can reach 4-5 times that of a dust suppressant without the cellulose, and the dust suppression effect is obviously improved.

The invention discloses a river excavation construction process after mud blowing land formation. The river excavation construction process comprises a foundation treatment stage and a river excavation stage which are successively carried out. The foundation treatment stage includes shallow foundation treatment and deep foundation treatment. The shallow foundation treatment adopts a vacuum preloading method and includes the step of laying a working cushion layer, the step of arranging a drainage board in a driving manner, the step of arranging a vacuum pipe network, the step of laying non-woven fabric and a sealing film, the step of installing a vacuuming device, the step of vacuum preloading and the steps of unloading and leveling, and the steps are sequentially executed. The deep foundation treatment adopts a stacking preloading method and includes the step of laying a drainage sand cushion layer, the step of arranging a drainage board in a driving manner, the steps of stacking and pressure stabilization and the steps of unloading and detecting, and the steps are sequentially executed. The river excavation construction process adopts the methods combining vacuum preloading and stacking preloading to treat a foundation, and has the advantages of the short construction period, low cost, no noise, the remarkable drainage effect, the good foundation consolidation effect and the like.

The invention belongs to the technical field of grouting materials, and specifically relates to a permeation cementation type polyurethane grouting material for soil body seepage prevention and reinforcement. The permeation cementation type polyurethane grouting material is prepared from a component A and a component B. The component A is prepared from the following raw materials in parts by mass:40 to 60 parts of a hydrophilic low-viscosity polyether polyol, 35 to 55 parts of a permeation diluent, 0.5 to 5 parts of a surfactant and 0.1 to 2 parts of a catalyst. And the component B is prepared from the following raw materials in parts by mass: 50-85 parts of an isocyanate, 5-30 parts of a permeation diluent and 5-35 parts of a flame retardant. The permeation cementation type polyurethanegrouting material has the advantages of low viscosity, strong permeability, high mechanical strength, strong chemical corrosion resistance, good consolidation effect and the like, and completely meetsthe application of soil layer seepage prevention and consolidation.

The present invention relates to an advanced support structure for a shallow buried and dark excavated tunnel in a water-rich miscellaneous fill area and a construction method, belongs to the field oftunnel construction, and aims to solve the problems of looseness, settlement and instability of the miscellaneous fill structure caused by tunnel excavation, and to ensure the safety and economy of tunnel construction. The advance support structure comprises a cave body advance support structure and a ground surface reinforcement structure; the cave body advance support structure comprises a small grouting guide pipe and an advanced large pipe shed that penetrates along the longitudinal direction of a tunnel; and the ground surface reinforcement structure is arranged in a surrounding rock above the advanced large pipe shed. The construction method comprises the following steps of first, construction of jet grouting piles and water-stop curtains; second, construction of the full line of advanced large pipe sheds; and third, construction of small guide pipes in sections and excavation of the tunnel. The advanced support structure effectively avoids the instability problems such as the loosening and settlement of the miscellaneous fill structure caused by the tunnel construction through the combined action of the ground surface reinforcement structure, the full-line advanced large pipe sheds and the small grouting guide pipes, and improves the safety in construction period and operation period of the miscellaneous fill tunnel.

Embodiments of the present invention disclose a method for learning and consolidating new words based on voice search, and an electronic device. The method comprises that: the electronic device can detect a voice search message input by a user, extract a target new word from the voice search message input by the user, and push a target new word game corresponding to the target new word according to a first preset period. By implementing the embodiments of the present invention, the learning effect of the user on the new words can be improved.