By J. C. Hodge, Malcolm Thorpe
Brickwork for Apprentices has been the proven reference on brickwork for generations of bricklayers. consistently in print for the reason that 1944, John Hodge's vintage textual content has now been totally revised in its 5th version through Malcolm Thorpe - who acted as a CITB consultant and used to be occupied with the draughting of the Intermediate building Award syllabus (bricklaying path) - to hide the brickwork craft-related devices of the newest development Awards and comparable Trowel Occupations NVQs from CITB / urban & Guilds at degrees 2 and 3.
The 5th variation accommodates prolonged assurance at the really new sector of skinny joint structures, to check the newest industry-based specifications and technical advancements within the box. content material has been introduced totally in response to fresh alterations to the construction rules, making sure that this article is going to stay a necessary reference for certified bricklayers and different execs operating within the development undefined, in addition to NVQ scholars new to the and wishing to embark on a profession in bricklaying.
A new characteristic during this version is the inclusion of a number of selection questions in the back of the e-book, matched to the present NVQ requisites, to supply scholars of the CITB / urban & Guilds Trowel Occupations NVQs with crucial perform and revision for examination coaching.
* re-creation absolutely revised by means of a former CITB consultant, concerned about the draughting of the ICA syllabus
* vintage textual content, regularly in print considering 1944!
* a number of selection Questions fit the necessities of present CITB / C&G classes to supply crucial perform for NVQ scholars
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Additional resources for Brickwork for Apprentices, Fifth Edition
An 32 Brickwork for Apprentices accurate knowledge of the batch quantities enables the properties of the concrete to be forecast to a good precision. The properties of concrete are today much better understood. There are many varieties of concrete. This is because: 1. the ingredients can be varied; 2. the relative proportions of the ingredients can also be varied. The properties of the concrete can be greatly modified by these two methods. 12. 0 Reinforced concrete with dense concrete 220, 240* *When used for reinforced concrete.
Liquid plasticisers must be added by the mixer driver on site with great care – following the manufacturer’s instructions, printed on the container. These are called air-entrained mortars. Water Mixing water triggers off a chemical reaction with cement, which causes the setting and hardening of mortar and concrete. Water should be clean enough to drink, as impurities can seriously delay or prevent this setting action. Mortars It is not usually difficult to cause an argument between bricklayers; ask them the following question.
Internal straight joints, quarterbrick in length, occur at 100 mm intervals along the middle of the wall. The header must be in the centre of stretchers in courses above and below (Fig. 9). 25 mm. 5 mm in stretcher bond. 5 mm. Rule 3 Brickwork should be set out on the face side and from each end of a wall or pier, so that any BROKEN BOND is centrally located. Exception: Reverse bond, where end bricks do not correspond. Rule 4 In English and Flemish bonds a queen closer must be placed next to the QUOIN HEADER, in order to establish 1⁄4 lap.
Brickwork for Apprentices, Fifth Edition by J. C. Hodge, Malcolm Thorpe