report (hamza abdallat)

8/21/2019 Report (Hamza Abdallat)

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Table of content

Ch 1:

Introduction

1.1project

31.2Training schedule

.4

Ch 2:

Company prole

2.1company

prole

Ch 3:

!etailed !escription of the Training

3.1

"afety

..#

3.2

slab

...$.

3.2.1shutter of

slab..$


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3.2.2le%el

sca&olding...'

3.2.3

(einforcement

..'

3.3Chec)s before

concreting...12

3.4Testing before

concreting..12

3.compacting of

concrete.14

3.6po*er +oat

concrete.1

3.7curing of

concrete..1#

3.8sin)ing

slab.1,

3.9construction

joint..1$

3.10-pansion

joint....1'

3.11

columns.

21

3.11.1(einforcement ..21


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3.11.2lap length

21

3.11.3"pacing bet*een bars..

.22

3.11.4shutter of

column..22

3.11.5chec)s .

.23

3.11.6place concrete....24

3.11.7dead column.

24

3.12segregation.

2

3.13"hear *all.

.2#

3.14/aterproong..

.2,

Ch4

Conclusion.2$

Ch1 Introduction:


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0roject:11.

The project called Seraje and locate in Abdalli Amman , which

executed by Omar Abu Saad contracting company.

Which conited !rom three building with Total Area "#$%

m&',

The project di(ided to !our part A1,A',A#,A"

)igure *1 +

ach part ha(e area a !ollowing:

Area o! A1 - 1"%% m&'

Area o! A' -1.%% m&'

Area o! A# - .$% m&'

Area o! A" - /%% m&'


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A10 A' !orm one building, which eparate between two part

contruction joint, and eparate between three building

xpanion joint.

A10A' conit !rom ix torey underground ued a garage !orcar and eight

Storey abo(e ground ued a Store, Shop, oce.

A# conit !rom ix torey underground ued a garage !or car

and twenty one Storey abo(e ground ued a 2otel.

A" conit !rom ix torey underground ued a garage !or car

and eight

Storey abo(e ground ued a Apartment.

Training "chedule:

in the 3rt 4 wa trained about how to reading engineering

plan , then the 5ublic Sa!ety Ocer guide me about a!ety

be!ore enter the project ite , and ga(e to me 5ublic a!etyclothing, and gi(e me ome o! intruction about a!ety.

in the ite 4 tart with blac6mith ,and con!ormity

7ein!orcement in the ite according 7ein!orcement plan.

Then 4 learned how to contruct hutter and how the ite

engineer recei(e the !ormwor6 !rom 8arpenter.

Then 4 tart mo(e in the ite widely, and 6now problem whichhappen in the ite


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Company prole:

Omar Abu Saad and sons contracting company is aJordanian Company registered as a first grade contractor in the fields of

buildings

Ever since it started operating in 197! Omar Abu Saad and sons contracting

company has gro"n to assume a leading role in the field of construction for the

#uality and timely completion of its pro$ects%

Omar Abu Saad and sons contracting companywa !ounded in 1/9% in

Amman ordan

Today, the company ha grown to become a leading player in

the growing ucce; o(er the year i the outcome o! a deep

commitment to the core principle o! deli(ering project the

highet tandard, on time Some o!

thee

5roject ha(e been technically dicult, but 88 ha the

experience, 6now?how and ophitication to implement them.

Omar Abu Saad and sons contracting companypoee a (eratility

that ha been made poible by it highly pro!eional team o!

manager, engineer, conultant, 6illed wor6er and general

ta@.

.-The company ha(e project in ead ea , Amman ,

A


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Chapter 3

3.1"afety

Construction sites can be a very dangerous environment to be in with

many opportunities for injury or fatality. With high voltage areas, debris

and heavy equipment in the area, its important to ma!e sure that

construction wor!ers and anyone in or near the construction site are

made aware of the.

"ll employees should be trained to understand the proper way to use

safety systems and to identify ha#ards. $he employee or employer will

be responsible for providing fall protection systems and to ensure the

use of safety systems.


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%igure &' ( %igure &) (

%igure &* (


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"lab3.2

A hallow, rein!orced?concrete tructural member that i (ery

wide compared with depth> Spanning between beam, girder,

or column, lab are ued !or Coor, roo!, and bridge dec6> 4!

they are cat integrally with beam or girder, they may be

conidered the top Cange o! thoe member and act with thema a T beam , ta6e the load directly !rom the Coor and

tranmit it to the beam or to the column.

Shutter of slabs:3.2.1

)ormwor6 i a temporary tructural ytem, which pro(ide the

caing and upporting to the wet concrete to get the re 4t hould be tabled with the weight o! the concrete,

rein!orcement, and other li(e load during the contruction and

compacting o! concreting.

figure&'( figure&)(


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*igure&1(

*igure &7( figure&+(


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)igure *.+

4n Seraje project wa ued ca@olding to upport !air?!aced !orm

wor6

-the ca@olding imulate column, the ca@olding braced by

ledger and tranom

-the ca@olding carried main o6a, which carry econdary

o6a, which carry )air?!aced

Level scaffolding:


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figure &9 ( figure&1 (

Surveyor use leveling instruments to chec, form"or, "hich have true height

and have the same level


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*igure &11(

All slabs built by situ-cast concrete ! the strength of conceret used in slabs is

. /pa%

REINFORE!EN"

Steel rein!orcement are ued, generally, in the !orm o!

bar o! circular cro ection in concrete tructure> They

are li6e a 6eleton in human body> 5lain concretewithout teel or any other rein!orcement i trong in

compreion but wea6 in tenion> Steel i one o! the

bet !orm o! rein!orcement, to ta6e care o! thoe

tree and to trengthen concrete to bear all 6ind o!

load


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hec#s before concreting:

1-7ein!orcement wor6 mut be properly completed

according to the drawing, uch a pacing o!rein!orcement bar, anchorage length and diameter o!

rein!orcement bar.'-But be made ure that !ormwor6 i properly

upported)-)ormwor6 mut be clean and !ree !rom impuritie

testing before concreting0

1-slu$% test:


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figure &12 ' figure&13 '

-the cone wa 3lled in three layer , e(ery layer occupy 1D# o!

cone , and a!ter 3ll e(ery layer , wa ued metal rod which

tri6e e(ery layer '. time.

Wait to concrete topped motion-

-Eay a traight edge acro the top o! the lump cone> Beaure

the amount o! lump in inche !rom the bottom o! the traight

edge to the top o! the lumped concrete.

'-ta)e temperature of concrete


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3gure *1" +

be!ore concreting, mut be ta6en temperature o! concrete and

mut not exceed #' 8eliu.

)-ta)e cubes from concrete


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)igure *1. +

wa ta6en cube !rom concrete be!ore concreting , and curing

cube a!ter 1day

in laboratory by uing water , then tet itF trength

a!ter # day , 9 day,'G day

Compacting of concrete:

)igure *1$+

3gure *19 +The remo(al o! entrapped air

during production o! concrete and

the uni!orm, dene arrangement

o! the contituent o! concrete

are e@ected during the

compacting > The denity

cone 8oncrete

hould be thoroughly compacted

during the operation o! placing.

wa ued in project pipe with '.

mm diameter to achie(e co(er

lab-a hown in 3gure& (


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0o*er +oated concrete:

)igure *1G+

A power trowel *alo 6nown a a Hpower CoatH,

HhelicopterH or Htrowel machineH+ i a piece o! light

contruction e Thi i about the time

that you can begin the 3rt machine?Coat pathe ad%antages use of po*er +oat:

-to get flat surface-to close crac,s


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Curing f Concrete:

)igure *1/+

)igure *'%+


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8uring i the one o! the mot eential operation in which

concrete i 6ept continuouly damp !or ome day to enable

the concrete to gain more trength> 8uring replenihe the lo

o! moiture !rom the concrete due to e(aporation, aborption

and heat o! chemical reaction> The period o! curing uing

water i depend upon atmopheric condition uch a

temperature, humidity and wind (elocity> The normal period i

between 9 and 1% day

in Seraje Late project wa ued chemical curing ,and wa ueda!ter one day !or one time.

"in)ing slab:

)igure *'1+

all lab ha(e the ame depth be!ore any modi3cation , the

problem appear when the mechanical technician try to

contruct pipe *lee(e+ , who need depth more than original


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depth , that it impoe to modi3cation the depth o! ome o!

area which called Hin6ing lab+

Construction joint:

)igure*'' +


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)igure *'# +

A contruction joint i de3ned by the A84

a Mthe ur!ace where two uccei(e placement o! concrete

meet, acro which it may be deirable to achie(e bond and

through which rein!orcement may be continuou> Lenerally,

becaue continuity o! tructural action will be re


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)igure *'" + 3gure* '.+

Should be ued water topper a hown in 3gure * +, and hould

be ued chemical Baterial which called S57 which ued to bond

between new concrete and old concrete

8ontruction joint in Coor hall be located within the middle

third o! pan o! lab, beam, and girder.


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-pansion joint:

)igure * '$+ 3gure *'9 +

-xpanion joint i an aembly deigned to a!ely aborb the

heat?induced expanion and contraction o! (ariou contruction

material, to aborb (ibration, to hold certain part together, or

to allow mo(ement due to ground ettlement or earth

They are commonly !ound between two building

-The joint i 3lled with the ealer compound, Thee compound

are aid to ha(e a high modulu o! elaticity, that i they can

tretch and hrin6 more than normal ealer.


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Columns:A concrete column i imply a round or The i=e, hape, and placement o! a

column depend on it purpoe, they are integral to the

contruction o! building and and other tructure.

8olumn i an important part o! the tructural integrity o! a

building> 4n !act, it i common !or a concrete column to carry

part o! a tructural load> Thi mean that the column i ued to6eep the building !rom collaping or hi!ting in a way that could

caue damage to the o(erall tructure

(einforcement column:

figure(28 ) figure ( 29)

Lap length


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ap length is the length overlap of bars tied to e2tend the reinforcement length

about . - ) times the diameter of the bar is considered safe%

Spacing between bars:

3he minimum clear spacing bet"een parallel bars in a layer shall be0

larger than 4' mm-

larger than diameter of bar-

1%55nominal ma2imum si6e of coarse aggregate-

Shutter of column:


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Figure &3(

'

figure &51 ( figure &54 (

1.hec#s:

-Surveyor determines four points about columns using 3otal station instrument

then stretch string bet"een t"o points! and ta,en readings from the face of the

einforcement! to ensure e2isting enough cover &.mm(%


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-After built shutter! the first chec, should be ta,e t"o readings from each face

of form"or, one at the beginning and another at the end! t"o readings should

be the same

-Second chec, should be used Center 8lumb and ta,e readings from the upperthe column and lo"er column! the t"o readings should be the same

-if found error in readings in the first chec,! the readings ad$ustment using

lo"er $ac,

-f found error in readings in the second chec,! the readings ad$ustment using

upper $ac,

)lace concrete in colu$n:

*igure &55 (

-3he concreting in columns ! the pump should be on the height less than 1%'

meter%

-3o prevent segregation and should be used vibrator apparatus%

*ead colu$n:


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-dead column that mean the column do not Continue in rest floors%

*igure & 5.(

-in this area "as used one leg stirrup &hoo,s( to avoid t"o "ay shear%

Segregation:


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*igure & 5)( figure &5' (

Segregation:

Segregation can be defined as the separation of the constituent materials of

concrete% A good concrete is one in "hich all the ingredients are properly

distributed to ma,e a homogeneous mi2ture% 3here are considerable differencesin the si6es and specific gravities of the constituent ingredients of concrete%

3herefore! it is natural that the materials sho" a tendency to fall apart%

Segregation may be of three types

1> Coarse aggregate separating out or settling do"n from the rest of the

matri2%

'> 8aste separating a"ay from coarse aggregate%

#> :ater separating out from the rest of the material being a material oflo"est specific gravity%


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3o eliminate segregation! should be carving the areas "hich content segregation

And spray S8 and fill this areas using material "hich called micro cement *

Shear +all:

A shear "all is a "all "hich is designed to resist shear! the lateral force "hich

causes the bul, of damage in earth#ua,es% /any building codes mandate the

use of shear "alls to ma,e homes safer and more stable%

*igure & 57 (

einforcement of "all0

;se vertical steel! hori6ontal steel! and one leg stirrup &hoo,s(-

-Construct shutter and chec, if the "all shutter in right position and achieve

enough cover &. mm(! use chec,s as the same in the columns%


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,ater%roofing:

n building construction! a structure needs "aterproofing since concrete itself

"ill not be "atertight on its o"n &but note concrete is easily "aterproofed "ith

additives(% 3he conventional system of "aterproofing involves< primary

report (hamza abdallat)

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