What is a concrete graph? A concrete graph is made using the actual objects or people on a graphing mat. Concrete graphs need to have a title and labels. A graphing mat is made from thick plastic sheeting (the type that can be bought off the roll at a hardware store). One side has squares large enough for a person to stand on.
What is a concrete graph grade 1? A concrete-object graph is a graph that records, organizes, and displays data using objects on a mat with appropriate labels.
What is pictograph and example? Here is a pictograph of how many apples were sold at the local shop over 4 months: Note that each picture of an apple means 10 apples (and the half-apple picture means 5 apples). So the pictograph is showing: In January 10 apples were sold.
Can I drive on concrete after 5 days? Re: How long before you can drive on concrete driveway? The Cement and Concrete Association who should know recommend 5 days bofore a vehicle runs on it. You can walk on it after about 12 hours.
What is a concrete graph? – Related Questions
How do you power float concrete?
Power floats have an electric motor or petrol engine fixed over a circular pan or skimmer which smooths concrete before hardened steel reversible metal blades rotate at up to 150 rpm over the surface to create a hardened finish.
How can i heat up a concrete subfloor?
For new-construction homes, electric heating cable is available that can be embedded within the concrete slab as it’s being poured. The most common application, however, is an in-floor heating system installed between the finished concrete slab and the flooring above.
Why does concrete strength increase as w c decreases?
The lower the water to cement ratio, the less air pores and the more compact the concrete structure, which translates into higher strength. The high amount of water will reduces the compressive strength of concrete because it will increases the gap between cement and aggregates thus air voids will increases.
What is the best way to remove mold from concrete?
The best way to remove mold from concrete is to apply a bleach solution, laundry detergent, and water to the affected area, scrub it with a brush, and rinse it clean with a sponge indoors, or hose or power washer if outside.
What are concrete bricks used for?
Concrete bricks are made from solid concrete poured into molds. They are traditionally used in internal brickwork, but are more frequently being used in exterior work, such as facades and fences, to provide a modern or urban aesthetic.
Can you acid stain over painted concrete?
Concrete bricks are made from solid concrete poured into molds. They are traditionally used in internal brickwork, but are more frequently being used in exterior work, such as facades and fences, to provide a modern or urban aesthetic.
What is a floating concrete floor?
Floating slabs are concrete slabs that are laying over the ground, without any kind of anchoring, as if it simply sits on it and floats. Floating slab, as the name tells it resembles a plate that is simply laid over water, with no kind of connection between them.
What is weight batching of concrete?
In this method, Materials are measured on the basis of weight. It is accurate method of batching. Weigh batchers or other types of weighing equipment are used to measure weight of materials. Cement, fine aggregate, coarse aggregate and water are taken by weighing.
Is fresh concrete?
Concrete is referred to as fresh when the setting and hardening process has not yet started. Fresh concrete can be deformed and poured which means it can be transported or pumped and used to fill moulds and formwork. Which means it can assume any shape.
What is trial mix of concrete?
The purpose of concrete trial mixes is to enable you to check the strength, workability, density and other properties of concrete mixes. Trial mixes are often undertaken when new materials or admixtures are to be used. Trials are also undertaken when setting up batch data.
Can you weld on concrete floor?
Welding should never be done directly on a concrete floor. Heat from the arc can cause steam to build-up in the floor which could cause an explosion. The welder cables should be positioned so that sparks and molten metal will not fall on them.
What can you clean stained concrete floors with?
One way you can remove stains from outdoor concrete flooring is by using dish detergent, ammonia, bleach or another commercial cleaning solution. Be sure never to mix ammonia and bleach together as a cleaning solution.
Where can i order concrete?
One way you can remove stains from outdoor concrete flooring is by using dish detergent, ammonia, bleach or another commercial cleaning solution. Be sure never to mix ammonia and bleach together as a cleaning solution.
How deep for concrete footers for house piers?
Footings should extend to a minimum depth of 12 inches below previously undisturbed soil. Footings also must extend at least 12 inches below the frost line (the depth to which the ground freezes in winter) or must be frost-protected.
How do you spell concrete poem?
A concrete poem, or shape poem, is an arrangement of words on a page into shapes or patterns that reveal an image. Concrete poems, or visual poems, are an artistic blend of the literary and the visual arts.
How high of deck on a concrete post block?
Precast blocks available at home improvement centers are usually 12 inches square and 8 to 12 inches high. Simply placing them on the ground or on a poured concrete pad a few inches deep usually isn’t enough to comply with codes — they must be set at least 12 inches deep in undisturbed soil.
When to apply stamps to concrete?
If you leave a clean imprint about 3/16 to 1/4 inch deep, you can generally begin stamping. Another test is to place a stamp on the concrete and step on it. The stamp should hold your weight and not slide around or sink too deeply into the surface.
Do i need to put a vapor barrier below concrete?
The concrete foundation of your building may feel rock-solid. Concrete, however, is, in fact, a porous material. … That’s why nearly every expert in the concrete industry recommends a below-slab vapor barrier to stop the vapor drive of water upward and into your building envelope.
What is water tightness of concrete?
Watertightness is the ability of concrete to keep water out or in. In other words, the goal is to make concrete virtually impermeable. Precast concrete is used for many purposes – one of the most common is to hold or convey fluids. For structures to fulfill this purpose, they must be watertight.
What is artisan concrete?
Artisan Mix is ten pounds of a specially formulated concrete mix that is ideal for artistic, sculptural, and craft projects. This mix has only fine sand as aggregate, allowing for casting thin sections. The mix cures to a bone white color and may be pigmented using any of the BR Color Series.