Several Ways to Take Care of Paving Blocks During Freezing Period

Curing is the treatment or treatment of paving blocks during
freezing period. Curing measurements are necessary to maintain condition
desired humidity and temperature on paving blocks, due to temperature and
The moisture inside directly affects the properties of the paving
blocks. Curing measures prevent water from being lost from the mortar and create more
lots of cement hydration. To maximize the quality of paving blocks need to be applied
Curing measurements as soon as possible after the paving blocks are printed. curing
is critical to make a resistant paving block surface
against heavy loads.

Curing must be made on any building materials, construction parts or
products that use cement as a raw material. This is because of the cement
need water to start the hydration process and to maintain the temperature inside
produced by this process to optimize freezing and strength
cement. Temperature regulation inside with water is called Curing. hydration process
uncontrolled will cause excess heat and loss of cement temperature
basic materials for the setting and final strength of cement products such as
concrete, mortar, etc. Good curing means evaporation can be prevented
or reduced. In general there are 3 main types of curing used in
construction sector, namely:

a. Water curing
Water curing is the most widely used. It's a system
which is very suitable for house construction and does not require
infrastructure or special expertise. However water curing is required
lots of water which may not always be easy and may even be expensive.
To economize on the use of water it is necessary to measure the
prevent evaporation of water in cement products. For example, concrete must be protected
away from direct sunlight and wind to prevent water evaporation
fast. Ways such as covering concrete with sand, sawdust, grass and
the leaves are not expensive, but still quite effective. Next, plastic
burlap can also be used as a material to prevent evaporation of water
quickly. It is very important that all cement products (blocks, paving blocks,
foundation stones, foundation bricks, plaster work, floor work, etc.) are maintained
keep wet and never dry, otherwise the final strength of the cement product
can not be met. If the hydration process prematurely ends due to excess
hot (without Curing), water is poured on the dry cement product
will not reactivate the hydration process, will lose strength
permanent. In water curing, the cement product must be kept wet (eg
by covering the product with plastic) for approximately 7 days.

b. Water vapor curing
Steam curing is done where water and cement are hard to come by
based on semi-finished material elements such as toilet bowls, tiles, stairs,
jalousie and others are mass produced. Moisture curing reduces time
Curing compared to ordinary water curing is around 50 – 60%.
The working principle of water vapor curing is to keep the cement product on
hot and humid environment that allows the cement to gain strength
Faster than normal water curing. To generate environment
this humid and hot need to be made a simple heating chamber with
water retaining walls and floors covered with plastic to make
the sun heats the heating chamber and prevents water from evaporating. Tall
the water level from the floor of about 5 to 7 cm is maintained at all times in order
the working principle of the evaporation system can work.

c. Hot steam curing
Hot steam curing is usually only used in established factories
state-of-the-art mass production of cement products. Steam Curing System
heat is expensive and requires a lot of energy to generate heat
needed for hot steam. However, hot steam Curing product
can be used after approx. 24 – 36 hours after production, ie
has advantages over other curing systems.
Basically all the rules and regulations for concrete manufacture
properly followed, the strength of concrete can be gained with time.
After all, the strength gain rate would decrease with time