[Case Study Introduction] Gaps, Insufficient Filling, and Inadequate Compaction in Concrete Placement Work

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last updated：Nov 15, 2022

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Here are some examples of accidents that can occur due to voids, insufficient filling, and inadequate compaction during concrete placement.

Tunnel construction, bridge construction, road construction, river and coastal construction, agricultural civil engineering, and building construction. Additionally, during concrete placement work for various concrete structures, accidents and troubles may occur due to voids, insufficient filling, and inadequate compaction, as outlined below. 【Accident Examples (Partial)】 - Cave-in accidents - Cavities formed due to groundwater, leading to cracks (cracks are more likely to occur in areas with insufficient filling) → Poor long-term durability and collapse - Water leakage from cracks → In cold regions, water leakage can freeze, leading to slip accidents To prevent such accidents and troubles during concrete placement work, we offer the following product ▼▼▼ 【NETIS Registration Number TH-180010-VE】 Juuten MierukaⓇ This product can accurately assess the filling conditions in areas that are not visible during concrete placement and in areas prone to air pockets. Furthermore, by adding a management function for compaction levels, it contributes to improving the quality of concrete construction! For detailed product information, please download the catalog from the link below.

Related Link - https://www.munekata.co.jp/zyuutenmieruka/

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basic information

【Specification Details】 ■ Sheet-type Sensor 　・ Model: 【Filling Detection MJ01】, 【Filling & Compaction Management MJ02】　・ Size (customizable): L: 13(m) × W: 50(mm) × T: 0.6(mm) 　　※ Including adhesive layer 【Width can be selected from 50(mm) or 30(mm)】　・ Number of Channels (customizable): 11CH 　・ Operating Temperature and Humidity Range: Storage Temperature and Humidity Range: 0–40℃, 5–85%RH (no condensation) ■ Data Recorder 　・ Model: MUDR100C 　・ Size: 280(mm) × 220(mm) × 130(mm) (excluding protrusions) 　・ Weight: 2.8kg 　・ Operating Temperature and Humidity Range: Storage Temperature and Humidity Range: 0–40℃, 5–85%RH (no condensation) 　・ Measurement Channels: 11CH 　・ Display: Main unit LCD monitor, etc. ■ Options 　・ Sensor-Recorder connection cable (standard 5m, extendable up to 100m with a dedicated extension cable) 　・ HUB for sheet-type sensors (manages multiple (up to 3) sheet-type sensors installed in different directions/locations with one recorder) 　・ HUB for pinpoint sensors

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Applications/Examples of results

Applications: Tunnels, bridges (substructure and superstructure), caisson construction, cast-in-place pile construction, backfilling, concrete block production, building foundations and renovation work, underwater concrete placement, etc. Catalogs, materials, and construction examples can be downloaded from the Ipros site. Catalogs can also be downloaded from our company website. For more detailed information, please feel free to contact us.