Kalkulačka tlaku betónu

Táto stránka používa súbory cookies. Pokračovaním na ďalšie stránky akceptujete používanie našich cookies.

⏵ Viac

OK

podľa DIN 18218:2010-01

based on CIRIA Report 108:1985

based on ACI 347R-14

based on CSA S269.1-16

based on GB 50666-2011

Norma

Imperial units

If the checkbox is checked, you use the inch-pound version.
If the checkbox isn't checked, you use the SI version.

SI units

If the checkbox is checked, you use the SI version.
If the checkbox isn't checked, you use the inch-pound version.

Okrajové podmienky

Trieda konzistencie

F1	≤340mm	suchý
F2	≤410mm	plastický
F3	≤480mm	mäkký
F4	≤550mm	veľmi mäkký
F5	≤620mm	tekutý
F6	≤700mm	velmi tekutý
SCC	>700mm	samozhutňovací

Koniec tuhnutia t_E pri T_C,Ref (h)

Koniec tuhnutia betónu t_E pri T_C,Ref musí byť hodnota medzi 5 hodinami a 20 hodinami.

Pre zistenie tejto hodnoty, pozrite prosím Prílohu A DIN 18218:2010-01.

Referenčná teplota T_C,Ref (°C)

Referenčná teplota T_C,Ref musí byť hodnota medzi +5 °C a +30 °C.

Rozdiel teplôt ΔT medzi referenčnou teplotou T_C,Ref a teplotou pri betonáži T_C,placing nesmie byť väčší ako:
■ 10 °C (triedy konzistencie F1-F4)
a
■ 5 °C (triedy konzistencie F5, F6 a SCC).

Teplota pri betonáži T_{C,pri betonáži} (°C)

Teplota pri betonáži T_{C,pri betonáži} musí byť hodnota medzi +5 °C a +30 °C.

Maximálny rozdiel teplôt ΔT medzi referenčnou teplotou T_C,Ref a teplotou pri betonáži T_{C,pri betonáži} nesmie byť väčšia ako:
■ 10 °C (triedy konzistencie F1-F4)
a
■ 5 °C (triedy konzistencie F5, F6 a SCC).

Najnižšia teplota betónu t_E (°C)

Vplyv najnižšej teploty betónu t_E musí byť zohľadnený, ak počas tuhnutia klesne pod teplotu pri betonáži T_{C,pri betonáži}.

Rozdiel teplôt ΔT medzi referenčnou teplotou T_C,Ref a najnižšou teplotou betónu t_E nesmie byť väčší ako:
■ 10 °C (triedy konzistencie F1-F4)
a
■ 5 °C (triedy konzistencie F5, F6 a SCC).

Výška betonáže H (m)

Výška betonáže H musí byť hodnota medzi:
■ 1 m ≤ H ≤ 10 m (triedy konzistencie F1-F4);
■ 1 m ≤ H ≤ 15 m (triedy konzistencie F5, F6 a SCC).

Zohľadniť špeciálne podmienky

Špeciálne podmienky:
■ Špecifická hmotnosť betónu γ_C ≠ 25 kN/m³;
■ Použitie cementu s nízkou teplotou (LH cement).

Wall / base

A wall / base is a section where either the width or breadth exceeds 2 m (C₁ = 1).

Column

A column is a section where both width and breadth are 2 m or less (C₁ = 1.5).

Concrete type

Concrete specific weight D (kN/m³)

The weight density of concrete D has to be a value between 18 kN/m³ and 32 kN/m³.

Placing temperature T (°C)

The placing temperature T has to be a value between +5 °C and +30 °C.

Vertical form height H (m)

The vertical form height H has to be a value between:
■ 2 m ≤ H ≤ 10 m (in case of walls / bases);
■ 2 m ≤ H ≤ 15 m (in case of columns).

Pouring height h (m)

The pouring height h has to be a value between:
■ 2 m ≤ h ≤ 10 m (in case of walls / bases);
■ 2 m ≤ h ≤ 15 m (in case of columns).

Wall / base

Walls and bases are defined as vertical elements with at least one plan dimension exceeding 6.5 ft.

Column

Columns are defined as vertical elements with no plan dimension exceeding 6.5 ft.

Wall / base

Walls and bases are defined as vertical elements with at least one plan dimension exceeding 2 m.

Column

Columns are defined as vertical elements with no plan dimension exceeding 2 m.

Concrete type

Concrete slump (in)

The concrete slump must be a value between 0.4 in and 9.0 in.

Unit weight of concrete w (lb/ft³)

The unit weight of concrete w must be a value between 100 lb/ft³ and 240 lb/ft³.

Placing temperature T (°F)

The temperature of concrete at time of placement T must be a value between 40 °F and 90 °F.

Height of concrete placement h (ft)

The height of concrete placement h must be a value between:
■ 4 ft ≤ h ≤ 35 ft (in case of walls / bases);
■ 4 ft ≤ h ≤ 50 ft (in case of columns).

Internal vibration depth ≤ 4 ft

Check if the internal vibration depth is less than or equal to 4 ft.

Concrete slump (mm)

The concrete slump must be a value between 10 mm in and 300 mm.

Concrete density ρ (kg/m³)

The concrete density ρ must be a value between 1500 kg/m³ and 3600 kg/m³.

Placing temperature T (°C)

The temperature of concrete at time of placement T must be a value between 5 °C and 30 °C.

Height of concrete placement h (m)

The height of concrete placement h must be a value between:
■ 1.2 m ≤ h ≤ 10 m (in case of walls / bases);
■ 1.2 m ≤ h ≤ 15 m (in case of columns).

Internal vibration depth ≤ 1.2 m

Check if the internal vibration depth is less than or equal to 1.2 m.

Cement type

Percentage of fly ash (%)

Percentage of slag (%)

Use of retarder

The use of a retarder increases the lateral pressure P on the formwork.
Not every cement type permits the use of retarder.

Concrete slump (in)

The concrete slump has to be a value between 0.4 in and 9 in.

Concrete density W (lb/ft³)

The concrete density W has to be a value between 100 lb/ft³ and 240 lb/ft³.

Concrete temperature T (°F)

The concrete temperature T has to be a value between 40 °F and 90 °F.

Height of concrete placement h (ft)

The height of concrete placement h has to be a value between 4 ft and 50 ft.

Depth of immersion of vibrator h_i (ft)

The depth of immersion of the vibrator h_i has to be a value greater than 1 ft and has to be less or equal than the pouring height h.

Concrete slump (mm)

The concrete slump has to be a value between 10 mm and 230 mm.

Concrete density W (kg/m³)

The concrete density W has to be a value between 1500 kg/m³ and 3600 kg/m³.

Concrete temperature T (°C)

The concrete temperature T has to be a value between 5 °C and 30 °C.

Height of concrete placement h (m)

The height of concrete placement h has to be a value between 1.2 m and 15 m.

Depth of immersion of vibrator h_i (m)

The depth of immersion of the vibrator h_i has to be a value greater than 0.3 m and has to be less or equal than the pouring height h.

Concrete slump (mm)

The concrete slump must be a value between 50 mm and 230 mm. The correction coefficient of concrete slump influence β is determined by this input:
■ β = 0.85, if 50 mm ≤ slump < 90 mm
■ β = 0.90, if 90 mm ≤ slump < 130 mm
■ β = 1.00, if 130 mm ≤ slump < 180 mm
■ β not relevant for calculation, if 180 mm ≤ slump

Correction coefficient of concrete
slump influence β

1.00

Density of concrete γ_c (kN/m³)

The density of concrete γ_c must be a value between 18 kN/m³ and 32 kN/m³.

Concrete temperature on placing
T (°C)

The placing temperature T must be a value between +5 °C and +30 °C.
The initial setting time of fresh concrete is calculated based on this input:
■ t₀ = 200 / (T + 15)

Initial setting time of fresh concrete
t₀ (h)

5.7

Vertical pouring height H (m)

The vertical pouring height H must be a value between 1 m and 15 m.

Názov stavby

Zobraziť parametre

Vstupné údaje

Zohľadniť debnenie

Max. tlak čerstvého betónu
σ_hk,max (kN/m²)

Max. fresh concrete pressure
P_max (kN/m²)

Max. lateral pressure C_CPmax (lb/ft²)

Max. lateral pressure C_CPmax (kPa)

Max. lateral pressure P_max (lb/ft²)

Max. lateral pressure P_max (kPa)

Max. fresh concrete pressure
F (kN/m²)

Maximálny tlak čersvého betónu σ_hk,max musí byť hodnota medzi %01.1f kN/m² a 140,0 kN/m².

Max. rýchlosť betonáže
ν (m/h)

Max. rate of rise R (m/h)

Max. rate of placement R (ft/h)

Max. rate of placement R (m/h)

Max. rate of placement R (ft/h)

Max. rate of placement R (m/h)

Max. rate of placement V (m/h)

Rýchlosť betonáže ν musí byť hodnota medzi:
■ %01.2f m/h ≤ ν ≤ 7 m/h (triedy konzistencie F1-F4);
■ %01.2f m/h ≤ ν ≤ 25 m/h (triedy konzistencie F5, F6 a SCC).

Vypočítať