About the transportation of Maurer bridge expansion joint products

Regarding the transportation of Maurer bridge expansion joint products, Maurer bridge expansion joints should be transported to the bridge construction site according to each bridge classification, and detailed inspection should be carried out. Loading and unloading should be carried out using point lifting method with a pole beam of =~m. , place the single Maurer bridge expansion joint as close as possible to the expansion joint notch, and store it on the temporarily supported road wood group. It should not come into contact with the ground
nor be subject to collision, and it should not affect the normal operation. Construction. For example: DB-type Mauler bridge expansion joints are grouped by roots, and DB-type Mauler
installation is grouped by roots, fixed with long screws and short-track wood. They are already fixed when supplied by the manufacturer. .During transportation, the fastening nuts must not be loosened
The hanging point must be positioned correctly to prevent collision, tilt and twisting. The Maurer device must be integrally tied to a flatbed truck and must be driven slowly when turning to prevent overturning
Concrete construction of bridge expansion joints: The expansion transition section is made of high-grade concrete. Since the highway bridge expansion joint construction route is long and has many working surfaces, tank trucks are commonly used to transport concrete, which requires the concrete to both reach The design strength must also have good workability. Selecting high-efficiency concrete admixture
is an effective method. Before pouring concrete, the impurities in the reserved grooves for bridge expansion joints should be cleaned, and the old concrete surface should be cleaned with clean water. Moisten it, or
splash a layer of cement slurry. During the pouring process, the vibration should be even and sufficient to avoid leakage of vibration, and at the same time, prevent the vibrator from crushing the foam sponge. If the concrete thickness
exceeds the specification requirements , should be poured in layers. During the pouring of concrete, protective measures should be taken to prevent the concrete from contaminating the road surface. The concrete should be roughened at the appropriate time before final setting. Due to the high grade of the concrete, the large amount of cement used and the construction in summer, the moisture content Evaporates quickly, and curing is very important to ensure the quality of concrete. According to the characteristics of the bridge expansion joint construction site, watering and covering with plastic film are used for curing. During the curing period (d), water is supplied every day to maintain moisture. Enough to prevent cracks on the surface of concrete.
Hengshui Kaixiang Rubber Products Co., Ltd.
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Contact person: Manager Hou
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Address: Beitian Village, Pengdu Township, Binhu New District, Hengshui, Hebei Province