colaboration of ceiling (roof) elements by joints

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Colaboration of ceiling (roof) elements by joints distribution of load Experimentálně ověřený vliv spolupůsobení stropních dílců prostřednictvím styků na redistribuci namáhání

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Page 1: Colaboration of ceiling (roof) elements by joints

Colaboration of ceiling (roof) elements by joints – distribution of load Experimentálně ověřený vliv spolupůsobení stropních dílců prostřednictvím styků na redistribuci namáhání

Page 2: Colaboration of ceiling (roof) elements by joints

Experimental verification mechanism for distributing the vertical load effects of roof-

mounted structure

deformation of the slab at partial load

experimentally measured deformation curves of ceiling panels

alternative load alternative load measure points

joint of

eleme

nts

Page 3: Colaboration of ceiling (roof) elements by joints

Prefabricated slab – wall structures Deskostěnové prefabrikované konstrukce

Page 4: Colaboration of ceiling (roof) elements by joints

Stanovení pevnosti v tlaku malty

G 57

T 06 B

Page 5: Colaboration of ceiling (roof) elements by joints

Stanovení pevnosti v tlaku malty

T 06 B

Page 6: Colaboration of ceiling (roof) elements by joints
Page 7: Colaboration of ceiling (roof) elements by joints

Column prefabricated systems

Page 8: Colaboration of ceiling (roof) elements by joints

Variants of statical schema of joint

column – beam

Anchor of reinforcement of element by

overlap

rigid joint

pin joint – base of

column

pin joint - beams

pin joint

- column

Load of joint

Page 9: Colaboration of ceiling (roof) elements by joints

Joint of reinforcement with eyes

Joint of reinforcement by welding of

steel elements

Page 10: Colaboration of ceiling (roof) elements by joints

Joint of reinforcement welding to the base plate

Joint of reinforcement

anchoring overlap

anchoring mats (net) anchoring overlap anchoring screw wedge anchor

Page 11: Colaboration of ceiling (roof) elements by joints

Joint column – column -

rigid (fixed)

Joint column – column -

pin joint

Page 12: Colaboration of ceiling (roof) elements by joints
Page 13: Colaboration of ceiling (roof) elements by joints

Variants of structural and statical design of joints

imperfect filling holes with

reinforcement by cement mortar

Page 14: Colaboration of ceiling (roof) elements by joints

Základní varianty řešení styku sloup – průvlak – sloup

Rigid joint column - beam

Page 15: Colaboration of ceiling (roof) elements by joints
Page 16: Colaboration of ceiling (roof) elements by joints

Bed joints of pressured joint

Page 17: Colaboration of ceiling (roof) elements by joints

Bending moment diagram

Relationship between loading, static properties and

location of joints in structure

Page 18: Colaboration of ceiling (roof) elements by joints

Dependence of

distribution of

loading on rigidity

of tie beams „m“

Distribution of loading

Normal stress

„s“ in column

Action of wall

structure and

columnal structure

with diaphragms

wall structure

columnal stucture with

diaphragms

walls

walls with openings diaphragms with openings

diaphragms

normal stress s

Page 19: Colaboration of ceiling (roof) elements by joints

Variants of coupling of columns

Influence of coupled columns on distribution of bending moment

tie beam diagonals

free-

embedded

diaphragm

diaphragm

jointed with

frame

sheare

membrane

(deep beam)

shear

forces

Page 20: Colaboration of ceiling (roof) elements by joints

Welded joint of column and infill wall

column

column

Columnal systems with

tie walls: a) press diagonals with

changing of rigidity

b) press and tensoin

diagonals with

changing of rigidity

c) continual shear space

wa

ll fille

r

connectinng steel plate

steel plate

sealing of joints

Page 21: Colaboration of ceiling (roof) elements by joints

rigid slab flexible slab

different deflection consistent deflection

Function of floor slab

Page 22: Colaboration of ceiling (roof) elements by joints

Reinforcement of prefabricated floor slab

Steel connectors

Concreting

Embedded bars

Anchor plate Lifting eye

Joint

bars

Hook joint (connect)

of lifting eyes (tie

hooks)

Page 23: Colaboration of ceiling (roof) elements by joints

Prefabricated columnal systems a) Beams columnal systems (1. transversal, 2. longitudinal, 3. duplex (bilateral) system, 4. transversal system with

hidden beams, 5. dtto longitudinal system, 6. dtto duplex (bilateral) system

b) Slabs columnal systems (1.,2.,3 slabs roof sturucture from support and supported elements, 4.,5.,6. roof slabs

sturucture local supported on the cornrer or border

Page 24: Colaboration of ceiling (roof) elements by joints

a) Version of columnal systems on depending of joint, b) ordering of columnal systems Varianty sloupových systémů podle způsobu stykování prvků

b) Příklady uspořádání sloupových systémů

Version of columnal systems – static properties of joint

Continuous column Continuous floor structure

middle column

exterior column

Page 25: Colaboration of ceiling (roof) elements by joints

Examples of prefabricated columnal systems Příklady prefabrikovaných sloupových systémů pro lehký průmysl a skladování

Joint „girder – ribbed ceiling element

Joint „girder – hollow ceiling element

Joint of interior girder

Joint of interior girder

and bracing

Page 26: Colaboration of ceiling (roof) elements by joints

Examples of prefabricated columnal systems Příklady prefabrikovaných sloupových systémů pro lehký průmysl a skladování

Joint girder -

column

Joint girder -

bracing

Page 27: Colaboration of ceiling (roof) elements by joints

a) Joint continnous beam – column

b) Joint continnous column – beam

c) Columnal systems with concealed bearing elements

Bracket

beam continnous

beam

non-continnous

beam

flush

beam

Column with

coak

Column with

pocket

Column with

setting element

Page 28: Colaboration of ceiling (roof) elements by joints

Torsion of peripheral beams

Kroucení krajních průvlaků

Joint „double“ beams –

continnous column Příklady styků tzv. rozdvojených tyčových a

deskových průvlaků s průběžnými sloupy

Coupled floor panels

Plate „double“ beams Position of resultant force

reinforcing steel

steel tube

thin-walled

steel section

Page 29: Colaboration of ceiling (roof) elements by joints

Location of stairs –

beams systems Umístění

schodiště ve sloupovém systému

s průvlaky (tzv. skeletové)

Position of stairs gauge to columns Umístění schodiště vzhledem ke sloupům

by columns

offset of columns

Page 30: Colaboration of ceiling (roof) elements by joints

Plasing of intermediate stair landing Uložení mezipodlažní podesty

Stairs inside large span columnal system Řešení schodiště ve sloupovém systému s velkým rozponem

Stair panels Konstrukce schodišťových ramen

a) With treads

b) With strings

c) With additional treads

d) With rough string

Page 31: Colaboration of ceiling (roof) elements by joints

Examples of prefabricated columnal a) Beams columnal systems (1. transversal, 2. longitudinal, 3. duplex (bilateral) system, 4. transversal system with

hidden beams, 5. dtto longitudinal system, 6. dtto duplex (bilateral) systém (1. příčný systém,

2. podélný systém, 3. obousměrný systém, 4. příčný systém s deskovými skrytými průvlaky, 5. dtto podélný systém, 6. dtto při obousměrném uspořádání)

b) slabs columnal system (1.,2.,3, slabs roof sturucture from support and supported elements, 4.,5.,6. , local support

slabs roof sturucture sloupové systémy deskové (1.,2.,3. desková stropní konstrukce vytvořená z podporových a mezipodporových desek, 4.,5.,6., desková stropní

konstrukce s podepřením desek v rozích, popř. bodově na okrajích)

Page 32: Colaboration of ceiling (roof) elements by joints

Influence of support of ceiling slab – position of support to deformation and bending moment

Vliv podepření stropní desky – rozmístění podpor na průběh deformací a ohybových momentů (v obou případech je mezi podporami

- sloupy vytvořen stejný volný prostor rovný součinu dvojnásobků rozměru desek)

Page 33: Colaboration of ceiling (roof) elements by joints

Examples of structures of roof from square slabs Příklady skladby deskové stropní konstrukce se čtvercovými deskami

supported slabs supporting slabs

Page 34: Colaboration of ceiling (roof) elements by joints
Page 35: Colaboration of ceiling (roof) elements by joints

Examples of structures of roof from

triangular, hexagonal nad rectangle

slabs

Příklady skladby deskové stropní konstrukce

vytvořené z desek trojúhelníkových, šestiúhelníkových

a obdélníkových

Page 36: Colaboration of ceiling (roof) elements by joints
Page 37: Colaboration of ceiling (roof) elements by joints

Solution of joint support and

supported slabs and join between

column and support slab Schema řešení styku podporových a mezipodporových

desek a styku sloupu s podporovou deskou

Page 38: Colaboration of ceiling (roof) elements by joints
Page 39: Colaboration of ceiling (roof) elements by joints

Influence of deformation properties on ordering of columnal system

Frame with

pin joints +

beams slab

Frame with

rigid joints +

beams slab

F. with

overhung tie

beams +

beams slab

F. with

concealed

beams + b.s.

Assembled

„mushroom“

ceiling

Slab

ceiling

Slab

embedded on

the grid of

beams

Assembled „mushroom“

ceiling (alternativ

configuration)

Slab

coupled

with

grid of

beams

Def

lect

ion o

f bea

m i

n

the

mid

dle

of

the

span

Page 40: Colaboration of ceiling (roof) elements by joints

Examples of columnal system – Modula

Examples of columnal system – Sicon

Page 41: Colaboration of ceiling (roof) elements by joints
Page 42: Colaboration of ceiling (roof) elements by joints
Page 43: Colaboration of ceiling (roof) elements by joints
Page 44: Colaboration of ceiling (roof) elements by joints