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2. Trench drain - Wikipedia

   en.wikipedia.org/wiki/Trench_drain

   Concrete will need to be poured to surround the trench drain so that the load can be transferred from the channel and grate to the surrounding areas. Pre-cast trench drains generally come in 4-inch (100 mm) widths but can range anywhere from a 1.75-inch (44 mm) slot to 2-inch (51 mm) wide channels with grates, and up to any size imaginable ...

3. Ballastless track - Wikipedia

   en.wikipedia.org/wiki/Ballastless_track

   Slab track with flexible noise-reducing rail fixings, built by German company Max Bögl, on the Nürnberg–Ingolstadt high-speed line. A ballastless track or slab track is a type of railway track infrastructure in which the traditional elastic combination of sleepers and ballast is replaced by a rigid construction of concrete or asphalt.

4. Cast-in-place concrete - Wikipedia

   en.wikipedia.org/wiki/Cast-in-place_concrete

   Cast-in-place concrete or Cast-in-situ concrete is a technology of construction of buildings where walls and slabs of the buildings are cast at the site in formwork. [1] This differs from precast concrete technology where slabs are cast elsewhere and then brought to the construction site and assembled. [ 2 ]

5. Sanitary manhole - Wikipedia

   en.wikipedia.org/wiki/Sanitary_manhole

   To install this, the doghouse manhole is lowered to have the two openings to slide over the existing pipe. The concrete is poured in to form the base with slopes from the precast concrete wall down to the half point of the existing pipe. This forms a half bench for the manhole base. The top half of that existing pipe is cut open to form a channel.

6. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   [21]: 147, 149 A flexible fitting may be preferred to connect a shower or heavy tub to the drainage system without transmitting slight movements or stresses, which could eventually cause cracking. [ 21 ] : 159 Flexible fittings may also be used to reduce the transmission of vibration into the DWV system.

7. Girder bridge - Wikipedia

   en.wikipedia.org/wiki/Girder_bridge

   In roadway applications it is usually a poured reinforced concrete slab, but can also be a steel grid or wood plank. The deck includes any road lanes, medians, sidewalks, parapets or railings, and miscellaneous items like drainage and lighting. The supporting structure consists of the steel or concrete system supporting the deck. This includes ...