Arches And Centering 1h3y25

ARCHES AND CENTRING LEARNING OUT COMES 

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DRAW AND FULLY LABEL THE FOLLOWING TYPES OF ARCHES FROM GIVEN SPECIFICATIONS 

SEMI CIRCULAR ARCH

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ROUGH RINGED SEGMENTAL ARCH

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AXED ARCH

DRAW AND FULLY LABE THE CENTRING OF THE FOLLOWING TYPES OF ARCHES 

SEGMENTAL ARCHES

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SEMI-CIRCULAR ARCHES

EXPLAIN THE PURPOSE OF CENTRING FOR THE CONSTRUCTION OF ARCHES

ARCHES & CENTRING TERMINOLOGY 1

INTRADO

2

EXTRADO

3

SKEWBACK

4

SPAN

5

RISE

6

VOUSSIORS

7

KEY BRICK

8

SPRING LINE

9

ORIGIN

10

RING

ARCHES

ROUGH RING SEGMENTAL ARCH WITH TRIPLE BRICK

CLASS EXERCISE 

DRAW TO A SCALE OF 1:10 THE FRONT VIEW OF A THREE- RINGED ROUGH SEGMENTAL ARCH. THE ARCH SPANS 1350mm AND THE RISE IS 1/6 OF THE SPAN. ONLY HALF OF THE ING WALL BRICKWORK FOR THE ARCH MUST BE SHOWN WITH THE CONSTRUCTION METHOD CLEARLY ILLUSTRATED FOR THE ARCH (15)

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BRIEFLY DESCRIBE THE REASON FOR THE CONSTRUCTION OF FORM WORK FOR ARCHES

ROUGH RING SEGMENTAL ARCH _AXED

CENTRE FOR A ROUGH RING SEGMENTAL ARCH

CENTRE FOR A ROUGH RING SEGMENTAL ARCH

CENTRE FOR A ROUGH RING SEGMENTAL ARCH