Building Tech. & Construction - General

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aashto

Back 1

american association of state highway abd transport officials = dpwh

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ansi

Back 2

american national standards institute

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astm

Back 3

american society for testing and materials

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dpwh

Back 4

department of public works and highways

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uscs

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unified soil classification system - beaureau of soils

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size of boulder

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>75mm

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size of gravel

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75mm-#10 sieve

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size of coarse sand

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#10-#40 sieve

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size of fine sand

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#40-#200 sieve

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silt-clay particlea

Back 10

passing through #200 sieve

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elf & dump truck capacity

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2-3cum, 14-16cum, 18-22cum

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miracle grass

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vetiver

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type 1 cement

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normal - for general construction

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type 2 cement

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moderate - resistance to sulphate actiin, less heat gain

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type 3 cement

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high early strength - early removalbof formworks and cold weather

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type 4 cement

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low heat sulfate resisting - massive concrete structures

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type 5 cement

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sulfate resisting

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storage of cement

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.3 above ground, max 12 bags per pile

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rc foundation walls and footings slump

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2-5"

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plain footings caissons substructure walls slump

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1-4"

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slabs beams rc walls columns slump

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3-6"

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slabs beams rc walls columns slump

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3-6"

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pavement slump

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1-3"

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heavy mass construction slump

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1-3"

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concrete chute slope

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1:3 - 1:2

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minimum plywood thicknesa for formworks

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.5"

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footing form removal

Back 27

1 day

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back filling form removal

Back 28

3 days

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column wall beam form removal

Back 29

3 days

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soffits form removal

Back 30

28 days

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stairs form removal

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4-5 days

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standard brick dimensions

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3 3/4 x 2 1/4 x 8" or 92x57x203

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five stretcher courses then a header course

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common bond

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alternating header and stretcher courses

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english bond

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alternate header and stretcher in each course

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flemish bond

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widthbof footing for 4"/6" chb wall

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400/500mm

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dowel length

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20db

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chb wall reinforcement

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vert: every 600mm hor: every 3 courses

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weight of metal bar

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d^2/162 * L

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commercial bar diameters

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10 12 16 20 25 28 32 36 mm

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board lumber

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<2" thk >8" wide

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dimension lumber

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>2" thick <5" wide

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timber

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>5" smallest dimension

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preservative for permanized lumber

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bs-25

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akle

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for paneling, high grade furniture, interior work

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aranga

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structural timber

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bansalangin

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structural timber

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dao

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veneering, paneling, flooring, aka french walnut

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ipil

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house construction, high strength and resistance to decay and insects

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narra

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high grade furniture, panelling, beautiful strong wood

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supa

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hard fine textured wood with beautiful grain

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tindalo

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finest caninet woods, interior work

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yakal

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structural timber

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guijo

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structural and interior, hard strong beautiful wood

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kalamansanai

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flooringband window sills, bridges and wharves

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manggachapui

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general high grade construction

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narig

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same as yakal or molave

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apitong

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framing, flooring, all kinds of piling

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palosapis

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akabred lauan mahogany, furniture, veneer, sash and mill work

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tanguile

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cabinet timber, all uses of mahogany

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almon

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imported, ribbon figure, furniture and interior

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white lauan

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furniture and interiors

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space under a door

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undercut

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paint for cement/plaster

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latex

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paint for metals/wood

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enamel

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work starting from the ground up

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basal

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removal of side forms, soffit forms

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3 days, 28 days

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Back 68

scabbed/ fished joint for compression

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halved splice for compression and some tension

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square spkice for tension

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Back 71

scarfed splice for bending

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consrruction/control joint depth

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1/4 slab thickness

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short vs long column

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<=10x lateral dimension, >10x lateral dimension

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column tie bar spacing

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<= 16 bar diameter, <=48 tie diameter, <smallest column dimension

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dowels extends into the column atleast

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50db for plain bars or 40dv for deformed bars

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minimum protective covering for slabs

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20mm

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one way slab dimensions

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L>=1.5xW

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bolt distance from edge of olate

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a least 1.5 bolt diameter

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beam width/depth rule of thumb

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d=span/20 or span/15 w=d/3

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most common typebof weld

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fillet weld