Supply provinces bearing bearing mortar mortar manufacturers ￥ Selling Price

Standoffs Standoffs mortar mortar early strength is the industry-leading products, which a reasonable fraction of high-strength aggregate of aggregates, high strength cement binders, polymers as toughening agents, supplemented by high flow, micro-expansion, anti-segregation, cracking and so admixtures, admixtures and other professional production of accurate proportioning made dry mixture. Its performance indicators in line with "the Beijing-Shanghai high-speed railway HPC Shi implementation details" and "Passenger bridge rubber bearing basin interim technology" and other national standards and technical requirements of the railway industry. Has formed a precast beams, cast beams, large bridges (type) and other types of products, and the formation of the winter -10 ℃ ~ -20 ℃ under the conditions of construction techniques and ancillary equipment. Suitable for users in all weather conditions in the construction. Product Features ※ bearing mortar has excellent fluidity, gravity leveling, no vibration, wiping pressure, the construction speed and convenience. ※ hour with a very high intensity, high intensity late, no shrinkage. Depending on the application temperature for 2 hours to obtain 20-40Mpa compressive strength, flexural strength. ※ with micro-expansion properties and excellent resistance to cracking. ※ adapt to a wide temperature range, at -5 ℃ ~ -35 ℃ condition, without any auxiliary heat or cooling measures are construction. In the high or low temperature conditions, can simultaneously ensure the strength development and construction need for mobility. ※ adapted to repair the track filled, bearing grout, especially suitable for high-speed railway track bridge bearing or filling. Also be used for leveling concrete beams or concrete piers partial repair. ※ accord "Passenger precast concrete beams interim technology" and "Passenger bridge rubber bearing basin interim technology" requirements bearing mortar test data; No. Test item Test Block 1 Block 2 test test test block 41 block 3 Setting time / min initial setting ≥ 30 ≥ 30 ≥ 30 ≥ 30 Final setting ≤ 180 ≤ 180 ≤ 180 ≤ 180 2 Fluidity / mm initial ≥ 320 ≥ 320 / ≥ 320 30min ≥ 240 ≥ 240 / ≥ 240 3 Bleeding rate / % 00/04 Compressive strength / MPa 2h ≥ 20 / / / 3h / / / ≥ 25 8h / ≥ 25 ≥ 25 / 24h / ≥ 40 / ≥ 40 28d ≥ 50 ≥ 50 ≥ 50 ≥ 50 56d ≥ 28d strength ≥ 28d strength ≥ 28d strength ≥ 28d strength 90d ≥ 56d strength ≥ 56d strength ≥ 56d Strength 5 Strength ≥ 56d flexural strength / MPa 24h ≥ 10 ≥ 6 ≥ 10 ≥ 6 28d? ≥ 10 / ≥ 10 6 elastic modulus / GPa 28d ≥ 30 ≥ 30 ≥ 30 ≥ 30 7 expansion (standard curing) /% 28d 0.02-0.1 / 0.02-0.1 / 8 expansion (water for) /% / ≥ 0.1 / ≥ 0.1 9 Shrinkage /% / <2.0 / <2.0 Scope Standoffs Standoffs mortar mortar for road, railway bridge bearing installation of high-quality cement-based composite materials. Because of its use of a variety of high-performance additives, especially after the completion of the surface smooth. Uneven overcome the traditional mortar, cracking, spalling and other shortcomings, with self-leveling, high early strength, high strength, non-shrink, high wear resistance and easy construction and other characteristics. Supports mortar construction methods: 1, bearing mounting surface parts of the bearing pad stone chiseling, clear bolt holes left in the debris, then water stone surface of the support pad soaked saturated, but construction may not have clear water. 2, the mounting bracket in place, with a small steel wedge wedge bearing four weeks, will be adjusted to support the design elevation, the bottom of the support and the support pad stone should be left between 20-30mm gap. 3, double check the location and elevation of the center bearing after installation grout template, templates, and the top surface of pad stone reliable measures should be taken to prevent leakage occurs when gravity grout slurry. Using gravity perfusion bearing grout grouting method. Measured initially required before grouting slurry volume, the actual number of perfusion slurry should not have too much deviation calculated to prevent the middle missing pulp. 4, the ratio of water = 0.135-0.15 (weight ratio) preparation. Should first join mixing bucket of water, then gradually add the weighed grout, while feeding while using electric mixer gun was stirred until the powder all finished, then continue stirring for 2-3 minutes, the slurry evenly. Stirred slurry perfusion should be completed within 10 minutes. 5, until the filling material to achieve the specified strength, the removal of the template and steel wedges to check tainted slurry of plasma leakage out of place and steel wedges for fill the gap after the pulp, tighten the bolt, then install the bearing beam floor and bearing seals hoardings.