On the concrete pool leakage treatment program
Cover the span ratio and the quality of the pool wall. Design and reinforcement structure in the same process and the mix of concrete, on which jet to 15cm thick concrete slab. The Nature Conservancy 28d cut into 10cm cubes after the test block. The same with the splitting method for the determination of sprayed concrete and old concrete bond strength. Combination with the above method and then measured compressive strength (referring to the old and new concrete the ability to bear the external load, with the original structure of concrete and sprayed concrete strength and bond strength for both), and the results shown in Table 2. Table 2, the bond strength of sprayed concrete compressive strength of cement and mix varieties of age with a combination of Iraq than the bond strength compressive strength / MPa and label d cement: sand: gravel bond strength mean value of the average value of 1. 8725.942.5 1.4526.55 ordinary silicon 281:2:21641.6527626.7 reinforcing effect of Portland cement by the pool with sprayed concrete and reinforced polymer mortar repair, the indicators are chopping arch-shaped pool cover span ratio (ie, high-diameter ratio vector. vector high refers to the vaulted arch of the vertical distance) is generally between 1:4 ~ 1:6; in the design of anti-slice-shaped bottom for the time-span ratio of about 1:8 (specific percentage should be based on pool size, arch span and construction conditions cover such decisions). Secondly,
replica oakley sunglasses, the quality of the pool wall must be strong. Pool wall base (circular base) of the width of not less than 40cm, base thickness of not less than 25crn. General basis for the ratio of width and thickness should be 1: (1.5 - 2) range as well. 2.2 biogas digesters in rural areas to build the pool volume is calculated according to 1.5m3 ~ 2m3 per capita volume of calculation is more appropriate and effective (effective volume, and generally refers to the gas storage tank fermentation asked the total volume). 3.1 3 digester construction technology preparation needed to build a cement 8m3 of biogas 1t, sand 2m3, gravel (size 1cm - 3cm) 0.6m3, red brick 600, ceramic tube (diameter 20 hoe ~ 30cm) 1 ~ 2, steel (diameter 14mm) 1.2m. If built 10m3 biogas digesters, the cement, bricks, sand and then increased by 10%,
tory burch outlet, if built 6m3 biogas digesters, the cement, bricks, sand than 8m3 biogas digesters to reduce the amount of 10%. 3.2 Actinomyces Actinomyces digging to build the pool is to ensure the quality of the first pass, the construction must be the required size. Has reached the design requirements,
knock off oakleys, and wipe the surface in the pool before the water-filled test done, water three times, first into the 1 / 3 water, 24h after the observation of no leakage, then into 1 / 3 water, 24h after the water again when no leakage to design water level, measured after three days and nights observing water, 24h leakage rate of less than 1 / 1000, to meet the design requirements, look no leakage. From the above test run, after reinforcement of the sewage treatment pond does not leak, smooth wall surface, reaching reinforcement requirements. 6 Conclusion Practice has proved that with the injection method for reinforcement of structures, small investment,
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