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Why are there cracks on concrete paths?
Concrete has great compressional strength but very weak torque resistance. That means when the ground underneath concrete paths settles or erodes the concrete will crack. In order to determine where the concrete will crack the constructors leave faults in it. So when the concrete does crack it does so in such a manner that the path is still functional and aesthetic.
What sand do you use to kill weeds on brick driveways?
Park- and recreation-grade is the sand that is used to kill weeds on brick driveways. The grade also may be found along paths and in sandboxes. It provides sufficient weight not to be wind-dispersed and drainage not to clump and waterlog.
What is the weight of a square foot in concrete?
A square foot of concrete has no weight because a square foot has no thickness. A cubic foot of concrete would weigh 65 Kg (143 lb) If you ASSUMED that concrete driveways, paths, etc. are all the same thickness , which they are NOT, then let us say they are 4 inch thick (10cm) In that case, then 1Square Ft of Concrete would weigh one third of the figure given above. Therefore it weighs 48 lb which is the same as 22 Kg.. Density of Concrete is 34.4 gram per cubic Inch or 1.216 ounce per cubic inch. (since you seem to be wanting to use Imperial measure)
What is gravel for?
The main industrial use for gravel is to pave roads and paths. Gravel is also used to help make concrete.
What was invented in 1933 by Percy Shaw?
Percy Shaw invented the Catseye Roadstud in 1934 He was a Vet Prior to inventing the catseye he had a small company Shaw Brothers that asphalted driveways & paths. Prior to this he had a number of jobs check out www.percyshawcatseyes.com
What uses for gravel?
The main industrial use for gravel is to pave roads and paths. Gravel is also used to help make concrete.
In image processing what is the basic relationship between pixels?
Neighborhood adjacency cnnectivity paths regions and boundaries
Why solar eclipses can be determined in advance?
Because the sun and moon's paths are regular (i.e they follow an orbit that is well-known to scientists), the time that they align themselves with the Earth can be calculated by using their velocity on their paths using relatively basic maths
How much water do you mix with cement mix?
A basic mixture for general use (paths, etc) is: 1 cement : 2 sand : 3 gravel by volume. Mix ingredients dry and add water until the concrete is workable. If too sloppy it may be weak, if too dry it may be difficult to work with.A basic mortar mix (brick laying, etc) is: 1 water : 2 cement : 3 sand.
What is basic path testing?
All software programs will have multiple paths of execution The main aim is to derive the logical complexity of the procedural design of software and use this as a guide for defineing a basic set of execution path.
What's the purpose of gravel in concrete?
Gravel occupies about 70-80% of the volume of concrete.It makes concrete economicalStrength of the concrete is determined only by the gravel. i.e., the body of the concrete.Property of concrete determined by the type of aggregate used.Shrinkage is less when larger size aggregate is used.
What jobs can I get with a Finance Degree?
Finance jobs offers many career paths, although many people find themselves working with trading companies (stocks, bonds, commodities, etc.). You can also choose many career paths within corporations. Finance degrees, especially when accompanied by good grades are highly sought after in many areas of business.
