By J. C. Hodge
Brickwork for Apprentices has been the tested reference on brickwork for generations of bricklayers. regularly in print on account that 1944, John Hodge's vintage textual content has now been totally revised in its 5th version via Malcolm Thorpe - who acted as a CITB consultant and used to be desirous about the draughting of the Intermediate development Award syllabus (bricklaying course) - to hide the brickwork craft-related devices of the newest building Awards and similar Trowel Occupations NVQs from CITB / urban & Guilds at degrees 2 and three. The 5th variation accommodates prolonged insurance at the quite new region of skinny joint structures, to check the most recent industry-based specifications and technical advancements within the box. content material has been introduced totally in keeping with contemporary alterations to the development rules, making sure that this article will stay an important 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 occupation in bricklaying. a brand new characteristic during this variation is the inclusion of a number of selection questions in the back of the ebook, matched to the present NVQ necessities, to supply scholars of the CITB / urban & Guilds Trowel Occupations NVQs with crucial perform and revision for examination instruction. * re-creation absolutely revised by way of a former CITB consultant, occupied with the draughting of the ICA syllabus * vintage textual content, regularly in print considering that 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 info for Brickwork for Apprentices
Washing-up liquids must not be used instead of purpose-made plasticiser, as these can affect durability of mortar No site mixer required. Weigh batching at supplier’s depot removes problem of colour and strength variations between batches, which can arise with site mixed mortar Difficulty of predicting exact daily requirements of RTU mortar, so as to avoid waste or bricklayer waiting time. Supply depots normally need a day’s notice for deliveries Full range of tinted RTU mortars available from suppliers in addition to natural colour Ready to A complete RTU mortar use mortar delivered to site pre-mixed in plastic tubs.
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.
See Fig. 5 mm of the opposite face. 12 Incorrect bonding Flemish bond Bonding of brickwork 53 Internal straight joints throughout wall Headers in A interior of wall ½ bond 2-brick walls Correct method of placing bricks inside wall. All headers [Rule II] Incorrect method by using stretchers. 13 1½ -bricks Cross sections through various walls at position A showing half bond and illustrating reason for using headers inside wall [Rule 12] 2½ -bricks Note: Rule 11 also illustrated above. Headers Stretchers Rule10.