#8. Sulphate Resisting Cement: –
This type of cement is used in building piers, building near the seacoast, concrete surface in the tidal zone, etc. Sulphate resisting cement is used in effluent treatment plants, chimneys, chemical plants, water storage, cooling tower, drainage works, etc.
- 1 Which grade of cement is best for drainage?
- 2 Is concrete good for drainage?
- 3 What type of PVC is used for drainage?
- 4 What is the ratio for drainage?
- 5 What are the 4 types of drainage patterns?
- 6 Which cement is better 43 or 53?
Which grade of cement is best for drainage?
Standard Strength Concrete Grades – C10 Concrete Grade C10 is also known as Gen 1 concrete and is designed with a 10 Newton/28 day strength. C10 is one of the most versatile concrete mixes and is used on many residential applications. Typical uses for C10 mixtures are in trench fills, agricultural formations, general floor binding, and drainage.
- C10 is not suitable for any structural mass formations.
- C15 Concrete Grade C15 is also known as Gen 2 concrete and is designed with a 15 Newton/28 day strength.
- For anyone wishing to develop foundations for smaller walls or concrete steps, Gen 2 concrete is an excellent choice.
- Though C15 is still not rated for large industrial projects, it provides excellent material for residential flooring.
C20 Concrete Grade C20 or Gen 3 is rated at 20 Newton/28 day strength. This mixture can be used to form lightweight foundations and applications in residential projects. Typical uses for this grade of concrete are in the formation of internal floor slabs, driveways, garages, and sheds.
What type of concrete is used for drainage?
Hydration or hydraulic cement is applied to surfaces of steel or cast iron. Cement for drainage constructions work comprises of generally two types of hydraulic cements, namely ordinary and rapidly hardening.
Which type of cement is commonly used for construction?
1. Ordinary Portland Cement (OPC) – Ordinary Portland Cement also known as OPC is a type of cement that is manufactured and used worldwide. It is widely used for all purposes including:
Concrete : When OPC is mixed with aggregates and water, it makes concrete, which is widely used in the construction of buildings Mortar: For joining masonry Plaster: To give a perfect finish to the walls
Cement companies in Malaysia offer OPC in three different grades, namely grades 33, 43, and 53. Besides the aforementioned purposes, Ordinary Portland cement is also used to manufacture grout, wall putty, solid concrete blocks, AAC blocks, and different types of cement.
What is the best fill for drainage?
In general, you want to aim for ½ inch to 1-inch gravel for drainage. Areas that will see especially heavy flow may need larger gravel. Or, projects without drainage pipes may also need larger gravel. For example, a French drain without perforated pipe needs 1 ½ inch gravel.
What is the best material for drainage?
What’s the Best Landscape Fabric for Draining Water? – Not all Landscape Fabrics function the same way, so be sure to use Non-woven geotextile for proper drainage On the surface, there seems to be little difference between woven and non-woven geotextile landscape fabrics. Both are designed to increase soil stabilization and ground support.
- However, depending on what surface you have and what your goals are, choosing the right landscape fabric for drainage makes all the difference to the outcome of your project.
- Non-woven geotextile fabric is the best choice for drainage applications where water flow through (permeability) is the main concern.
Non-woven landscape fabric is commonly used in French-drains, drain-fields, and erosion control. There are only two primary types of fabrics used in landscape, and construction applications; woven geotextile, and non-woven geotextile fabric. Read on to discover which one is more suitable for your application.
Is concrete good for drainage?
Smaller, more broken up concrete is a great drainage alternative to gravel.
What is Type 30 cement used for?
Description – Quikrete High Early Cement is a cost-effective building material that can be used in a variety of commercial and architectural concrete construction applications. Such uses include cast-in-place, pre-cast, tilt-up, water tanks, drains, bridges, roads, pipes, concrete masonry units, pre-stressed concrete, masonry mortars and grouts. This product comes in a 40 kg (88 lb.) package.
What type of PVC is used for drainage?
What they are – Durable. Reliable. Long-lasting. Maintenance-free. SDR 35 thick-wall PVC piping is the best material for drainage system piping. Compared to the black, corrugated drain lines you’re probably used to, our thick-wall PVC doesn’t bend, sag, leak water, or get crushed.
- When properly installed, PVC drain lines will deliver decades of performance.
- We install PVC drain lines as part of a comprehensive drainage system designed to suit your property – and correct your drainage problems.
- Whether connected to downspouts, catch basins, or French drains, thick wall PVC piping moves three times as much water as typical corrugated drain lines of the same size, and last 20x as long, all with minimal to no maintenance.
Whenever your homes foundation, waterproofness, or structure depends on your drainage system, there should be no other consideration than proper SDR35 thick wall PVC for your drainage system.
Moves a limited amount of water Leach water at the fittings, encouraging root growth inside the pipe Crush easily underground Clog easily from sediment and solid material Form “bellies” which trap sediment and further encourage clogging Last only 3 to 8 years
Move three times as much water as corrugated pipes of the same size Use solvent welded fittings that don’t leach water Don’t break under the weight of the soil Move sediment and debris easily Don’t sag or trap solid material inside the pipe Tough, durable, and capable of lifetime performance SDR-35 PVC has a life expectancy of over 100 years
: PVC Drain Lines
What is the ratio for drainage?
Gradients – Gradients from 1 in 40 to 1 in 110 will normally give adequate flow velocities. If the gradient is steeper than 1 in 40, the liquid may run faster than the solids in the sloping foul water pipe thus leaving the solids stranded, which could then block the pipe.
- A gradient of 1 in 80 is suitable for commencing calculations for pipe schemes.
- If the gradient is less than 1 in 110, then the pipe could still block if the solids slow down and become stranded.
- A gradient may be defined as fall divided by distance.
- GRADIENT = FALL / DISTANCE If a 48 metre section of drainage pipe has a fall of 0.60 metres, the gradient would be calculated as follows.
Gradient = 0.60 / 48 – Gradient = 0.0125 This can be converted into a gradient written as a ratio. Gradient = 1 / 0.0125 = 80. Gradient = 1 in 80
What is the best material to use for backfill?
1. SCREENINGS – Screenings, otherwise known as FA5 or limestone screenings, are a great choice for backfill because it compacts well. Because of this, screenings are most often used for pipe and sewer backfill, or as a base for brick pavers.
Which material is used for drainage system in residential building?
Type of drainage systems in buildings – The drainage system comprises a well-arranged network of drainage pipes, and this system is used to get rid of human waste. Drainage systems pipes which are generally used are copper, CPVC, and HDPE pipes, These are made of plastic which makes them rust-free and lightweight.
What are the 4 types of drainage patterns?
What are the types of drainage patterns? Answer at BYJU’S IAS Depending on the slope of the land, underlying rock structure as well as the climatic conditions of the area, the streams within a drainage basin form certain patterns. These are dendritic, trellis, rectangular, and radial patterns.
Dendritic pattern: This pattern develops where the river channel follows the slope of the terrain. The stream with its tributaries resembles the branches of a tree, thus the name dendritic. Trellis pattern: A river joined by its tributaries, at approximately right angles, develops a trellis pattern. A trellis drainage pattern develops where hard and soft rocks exist parallel to each other. Rectangular pattern: A rectangular drainage pattern develops on a strongly jointed rocky terrain. Radial pattern: It develops when streams flow in different directions from a central peak or dome-like structure.
Further Reading: : What are the types of drainage patterns? Answer at BYJU’S IAS
Which cement is better 43 or 53?
OPC 53 sets quicker than OPC 43 and has a quite low initial setting time. It is used in structures where rapid strength gain is required like large load bearing structures like bridges, huge buildings, etc. OPC 43 on the other hand doesn’t set so quickly and has a normal initial and final setting time.
What is difference between 53grade cement and 43 grade cement?
Compression Strength: – Cement grade indicates the compression strength of the cement concrete after 28 days of setting.43 Grade Cement attains compression strength of 43 Mpa (megapascals) in 28 days of setting compared to 53 Mpa attained by 53 Grade cement.