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EPS Lightweight Embankment construction quality control measures and instances of applications

Whole degrees. Control the flatness tolerance is ± 1Omm. o pre-construction. Cut off the flow of water embankment work area and full set of all temporary drainage facilities. To ensure that the drainage during the construction period. o try to avoid rising water table. To ensure that the groundwater level in the EPS base surface construction over the following difficulties in the control conditions. Provision of drainage blind ditch. o In case of invasion or other unexpected rain storm water flows. Shall immediately take measures to quickly drain. EPS block laying. EPS material for light weight, the appropriate use of artificial laid on the production of non-standard block. As required by the manufacturer as far as possible before cutting a good block size pieces. But do need to contact area with the structures on site processing of non-standard blocks, electric wire must be cut, cut surface should be smooth. eEPS blocks laid on the construction of the base surface, construction of the base surface must be kept dry. EPS block laying. Tractors and other heavy machinery are not allowed to directly in the block on the road. eEPS block laid staggered joint bottom-up layer by layer, the overall quality of a large extent depends on the construction of paved surface and the lower base of the laying of precision measurement results should be hung in strict accordance with the construction. eEPS the gap between blocks and the level of dislocation as small as possible. The amount of gap size and dislocation should meet the requirements in Table 3. Q block, or the level of dislocation generated when the gap. The lowest level to adjust the cushion. Contraction of the middle layers of cement mortar is applied without leveling. Part of the gap is likely to exceed the standard allowable error (the largest gap requires less than 50mm), cement mortar is applied in full filling 1O support. o part of the EPS with the filling block access to the steps laid lanes. Rates of longitudinal and transverse slope of the construction according to the construction drawings. EPS block top-level contacts with some of embankment soil, requiring EPS situ concrete block on top of the board to fill part of the vertical extension of the 1. Om. eEPS block and block links between pieces of metal layers of a fixed block association asked the pieces of jaw with two-sided top and side in the one-way claw coupling parts in the EPS blocks and construction of the lower base surface and the soil base between the metal pin connected with L-type, pin-base insertion depth 30cm. Laying side edge connected. Specific examples and dimensions as shown in Figure 4. Reinforced concrete slab (15cm) pouring. Reinforced concrete slab set in the top layer of EPS blocks. Thickness 15Cm. C30 concrete with double-layer steel mesh layout. Bar diameter of 8mm, lap steel net mesh size 15X15cm length -> 25cm. Reinforced concrete slab should be added in the 6-side stirrup Guzhu board side, under the 3) fl ~ transverse reinforcement. 0 shops pouring concrete with the concrete track with elevation control vibrating beam. Artificial surface and the second received nap. Each set a false seam 10m. Polyurethane pouring asphalt. Such as providing concrete construction joints. Aperture 1Omm, cedar wood soaked with asphalt with reinforced mesh panels continuously open. eEPS section of the road sub-base and crush the base construction. Avoid the use of heavy vibrating roller compacted, reasonable way of compaction roller drum and tire combination of static pressure many times to avoid being crushed concrete panels. Hemming soil construction eEPS casing Lightweight Embankment slope protection on both sides should be its primary purpose and effect: First, to prevent the intrusion of harmful substances and fire. Interdiction of direct solar ultraviolet radiation, to prevent rodent damage to the EPS blocks. Second is the heavy pressure from the EPS effects of Block III is the basis of plant growth as a slope. e packet soil thickness 1. 20m,[link widoczny dla zalogowanych], a slope ratio of 1:1,[link widoczny dla zalogowanych], packing is a prime soil. EPS before each block paving. Hemming dam compaction of soil must be layered so as to avoid causing EPS after the construction of block being squeezed and damaged. Compaction is also difficult to control. EPS before installation, in accordance with the design of the construction package section size will have the inside edge trim smooth soil. eEPS Lightweight Embankment construction quality standards and tolerances for EPS Lightweight Embankment construction should be consistent with the provisions of quality standards. 0 construction observation: EPS embankment is completed, the settlement and displacement of observation. And EPS in the bridge to other bridge unpaved make the same settlement and displacement observation for comparison and analysis. Behind the observation points are located in Taiwan, 3m, 8m. 15m three sections. Each section will have three observation points. Respectively, from the embankment edge of 1m. 4m7m. Observed once a week. Section set,[link widoczny dla zalogowanych], measuring point layout, observation methods and technical requirements, refer to the current \In some occasions, has shown its unique advantages. But its price factors must restrict the promotion and construction of its expansion. 0 Author: Du Bing Qu Zhong Jun - Yan Feng Road and Bridge Construction Co.,[link widoczny dla zalogowanych], Ltd. Hebei ring 42009 No. 7. April ±) \ More articles related to topics：

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