News from Xi'an Waterproof and Leak Stopping Company:
The leakage stoppage of Xi'an underground works is mainly aimed at the waterproofing and leakage stoppage of Xi'an basement, Xi'an underground pipe gallery, Xi'an underground garage, Xi'an overflow culvert, Xi'an underground passage, and the underground cavity, water gushing, water emitting diseases, irregular cracks, water leakage diseases, expansion joints, deformation joints, The company provides professional technical solutions according to different seepage conditions, different seepage forms and seepage degrees of specific projects, selects appropriate waterproof plugging materials, combines elasticity with softness, and combines hardness with softness. Our "SDM" series of waterproof plugging reinforcement products (Xi'an Waterproof Plugging Technology Co., Ltd.) have all obtained test reports issued by national testing institutions, mainly involving plugging, plugging Anti permeability, reinforcement grouting materials, structural sealing materials, waterproof and anti permeability materials, etc. Select appropriate plugging products according to different construction environments, construction positions, construction conditions, and construction requirements, combine scientific and rigorous waterproof plugging technology, follow the principle of "scientific plugging and reinforcement, building high-quality projects", and protect the safety of engineering structures.
The main waterproof and plugging materials of Xi'an Waterproof and Plugging Technology Co., Ltd. include: SDM-801 impermeable quick setting No. 1, SDM-103 high permeability epoxy resin reinforcement grouting material, SDM-108 modified acrylate grouting material, SDM-702 high permeability modified epoxy waterproof coating, SDM-104 flexible wet epoxy structural sealant, SDM-803 flexible wet modified epoxy repair mortar, SDM-902 sealant for deformation expansion joint, SDM-107 anti-seismic dynamic disturbance non solidified waterproof grouting material, SDM-106 inorganic composite water non dispersible grouting material, etc.
1、 SDM-103 high permeability epoxy grouting material
The material is a two-component product consisting of modified epoxy resin, additives and special curing agent.
Main features:
(1) The consolidation body has high strength, which can not only effectively seal the leakage, but also has high compressive strength and tensile strength, ensuring the reinforcement of concrete defects such as cracks and honeycombs;
(2) It has low viscosity, good groutability and good permeability, and can be poured into the slit of about 0.1mm;
(3) No volatile solvent, small curing shrinkage;
(4) The slurry is hydrophilic and has good affinity for wet base surface.
Scope of application:
(1) It is applicable to grouting repair, reinforcement and reinforcement works with concrete cracks less than 0.1mm in highways, bridges, subways, tunnels, channels, civil buildings, etc;
(2) The foundation of reservoir dam and other engineering structures shall be strengthened and strengthened for seepage prevention;
(3) It can be used as carbon fiber adhesive primer.
2、 SDM-108 improved acrylate grouting material
Main features:
(1) Good irrigation performance. Low viscosity, less than 10mPa · s;
(2) Good construction performance. The curing time is adjustable. The fast curing time is less than 2min, and the slow curing time is more than 10min;
(3) The gel has certain elasticity. The problem of expansion and deformation of the structure is effectively solved;
(4) Good adhesion. It also has good bonding performance with the concrete surface, and the bonding strength is greater than the strength of its own gel;
(5) Good impermeability. The consolidated body has very High impermeability, impermeability coefficient is not more than 10-6cm/s. Seepage prevention and plugging of various concrete cracks (above 0.2mm).
Scope of application:
(1) It is suitable for leakage water stop grouting of expansion joints and settlement joints of concrete structures;
(2) Anti seepage curtain grouting of reservoir dam foundation;
(3) * * * Tunnel bed slab base grouting;
(4) Consolidate loose soil and sand.
3、 SDM-107 seismic dynamic disturbance non curing waterproof material
Main features:
(1) It is not solidified, and the solid content is greater than 99%, and the original elastic-plastic state is always maintained after construction;
(2) With strong adhesion, it can be constructed on a wet base surface, and it can also be used for plugging with water to maintain good adhesion with the base material;
(3) Good flexibility, strong adaptability to base course deformation and cracking, and obvious advantages in using at deformation joints;
(4) With strong self-healing performance, the materials will not be separated during construction, which can form a stable and seamless waterproof layer. Even if the waterproof layer is damaged during construction and use, it can repair itself, prevent water from flowing in the waterproof layer, and maintain the continuity of the waterproof layer;
(5) Non combustion, strong durability;
(6) Good aging resistance, low temperature flexibility and corrosion resistance;
(7) The construction is simple and can be carried out at normal temperature and 0 ℃.
Scope of application:
(1) Applicable to base course fluctuation large , Stress large The base course and predictable, frequently deformed parts are suitable for complex construction working faces;
(2) Widely used in subway, tunnel, underground space and other concealed works;
(3) Industrial and civil buildings and planting roof construction works;
(4) Filling and sealing of deformation joints, settlement joints and other gaps.
4、 SDM-104 flexible wet modified epoxy structural sealant
The material is mainly composed of modified epoxy, reactive rubber, modified curing agent, etc.
Main features:
(1) It has very good elasticity, and the elongation can reach 80% at 25 ℃. It can follow the deformation well in the situation of large stress and high vibration, and will not crack and bond failure due to environmental temperature changes, rolling impact of vehicles, high-frequency vibration of trains, etc;
(2) It has good bonding strength and can also be applied at the wet interface;
(3) Excellent acid and alkali resistance;
(4) It has good mixing operability, and will not cause sagging when applied on the concrete facade and elevation.
Scope of application:
(1) It is applicable to the repair of large stress cracking and deformation of high-speed railway, subway tunnel, bridge and other concrete bodies;
(2) It is suitable for repairing damaged holes on cement and asphalt pavement;
(3) Epoxy coating sealing construction of tunnel, bridge expansion joint and deformation joint.
5、 SDM-702 high permeability modified epoxy waterproof coating
Main features:
(1) Safety and environmental protection: no VOC volatile solvent;
(2) It has good permeability and can penetrate into concrete cracks less than 0.1mm;
(3) Low base surface requirements: wet base surface can be constructed without waiting for the base surface to be completely dry;
(4) Super adhesion: the coating has strong adhesion to 90% of the building materials on the market, without delamination and peeling.
Scope of application:
(1) I water facing type: moderate curing speed, good elasticity, can be used for waterproof of roof, basement and other water facing surfaces, and can be resistant to water bubbles for a long time, especially suitable for the application field of long-term water soaking in underground space;
(2) II backwater type: the curing speed is fast, the strength is high, there is a certain elasticity, and there is good adhesion with all kinds of base surfaces, especially suitable for waterproofing of tunnel, culvert, expressway underpass and other backwater.
6、 SDM-106 Inorganic Composite Non dispersible Grouting Material in Water
The non dispersible grouting material in water is a powder grouting material composed of water-soluble polymer, surfactant, etc., which has strong anti dispersibility and good fluidity, realizing the self leveling and self compaction of underwater concrete, prevent During underwater construction, cement and aggregate are dispersed and do not pollute the construction water area.
Scope of application:
It is applicable to various underwater concrete projects, such as caisson bottom sealing, cofferdam, caisson, riprap grouting, underwater diaphragm wall pouring, underwater foundation leveling, filling and other underwater large-area construction joint free projects;
Large diameter cast-in-place pile, wharf, dam, reservoir repair, drainage outlet waterproof impact reinforcement bottom plate, underwater cushion cap, seawall revetment, slope protection, pile sealing and leakage stoppage, and underwater works that are difficult to construct with ordinary concrete.
Non dispersible grouting materials in water are not limited by water depth, construction surface and concrete volume (37.8m too deep has been constructed, and the concrete volume varies from several cubic meters to several thousand cubic meters. Concrete construction in tidal section is also not affected by tidal water.
