$(function(){
$("#headerSearchForm").on("submit", function(event)
{
event.preventDefault();
var query = $.trim($("#headerSearchQ").val());if (query.length == 0) {return false;}
location.href = "https://buscador.rincondelvago.com/" + query.replace(/[^ a-záâàäéêèëíîìïóôòöúûùüçñA-ZÁÂÀÄÉÊÈËÍÎÌÏÓÔÒÖÚÛÙÜÇÑ0-9'"]/g,"").replace(/ /g,"+");
});
$("#bodySearchForm").on("submit", function(event)
{
event.preventDefault();
var query = $.trim($("#bodySearchQ").val());if (query.length == 0) {return false;}
location.href = "https://buscador.rincondelvago.com/" + query.replace(/[^ a-záâàäéêèëíîìïóôòöúûùüçñA-ZÁÂÀÄÉÊÈËÍÎÌÏÓÔÒÖÚÛÙÜÇÑ0-9'"]/g,"").replace(/ /g,"+");
});
});
var div_1_sizes = [
[320, 100],
[320, 50],
[300, 250],
[300, 600]
];
var div_2_sizes = [[970, 90], [728, 90],[970, 250]];
var PREBID_TIMEOUT = 2000;
var adUnits = [{
code: 'div-gpt-ad-1498674722723-0',
mediaTypes: {
banner: {
sizes: div_2_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485609'
}
}]
},{
code: 'div-gpt-ad-1515779430602-1',
mediaTypes: {
banner: {
sizes: div_2_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485931'
}
}]
},{
code: 'div-gpt-ad-1515779430602-2',
mediaTypes: {
banner: {
sizes: div_2_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485934'
}
}]
},{
code: 'div-gpt-ad-1515779430602--3',
mediaTypes: {
banner: {
sizes: div_2_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485937'
}
}]
},{
code: 'div-gpt-ad-1515779430602--4',
mediaTypes: {
banner: {
sizes: div_2_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485941'
}
}]
},{
code: 'div-gpt-ad-1515779430602--5',
mediaTypes: {
banner: {
sizes: div_2_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485945'
}
}]
},{
code: 'div-gpt-ad-1515779430602--6',
mediaTypes: {
banner: {
sizes: div_2_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485949'
}
}]
},{
code: 'div-gpt-ad-1515779430602--7',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485953'
}
}]
},{
code: 'div-gpt-ad-1515779430602--8',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485956'
}
}]
},{
code: 'div-gpt-ad-1515779430602--9',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485957'
}
}]
},{
code: 'div-gpt-ad-1515779430602--10',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485958'
}
}]
},{
code: 'div-gpt-ad-1515779430602--11',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485959'
}
}]
},{
code: 'div-gpt-ad-1515779430602--12',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485960'
}
}]
},{
code: 'div-gpt-ad-1515779430602--13',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485961'
}
}]
},{
code: 'div-gpt-ad-1515779430602--14',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--15',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--16',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--17',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--18',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--19',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--20',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--21',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--22',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--23',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
},{
code: 'div-gpt-ad-1515779430602--24',
mediaTypes: {
banner: {
sizes: div_1_sizes
}
},
bids: [{
bidder: 'appnexus',
params: {
placementId: '12485962'
}
}]
}];
var googletag = googletag || {};
googletag.cmd = googletag.cmd || [];
googletag.cmd.push(function() {
googletag.pubads().disableInitialLoad();
});
var pbjs = pbjs || {};
pbjs.que = pbjs.que || [];
pbjs.que.push(function() {
pbjs.addAdUnits(adUnits);
pbjs.requestBids({
bidsBackHandler: initAdserver
});
});
function initAdserver() {
if (pbjs.initAdserverSet) return;
pbjs.initAdserverSet = true;
googletag.cmd.push(function() {
pbjs.que.push(function() {
pbjs.setTargetingForGPTAsync();
googletag.pubads().refresh();
});
});
}
setTimeout(function() {
initAdserver();
}, PREBID_TIMEOUT);
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_2_sizes, 'div-gpt-ad-1498674722723-0').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_2_sizes, 'div-gpt-ad-1515779430602-1').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_2_sizes, 'div-gpt-ad-1515779430602-2').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_2_sizes, 'div-gpt-ad-1515779430602--3').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_2_sizes, 'div-gpt-ad-1515779430602--4').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_2_sizes, 'div-gpt-ad-1515779430602--5').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--6').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--7').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--8').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--9').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--10').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--11').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--12').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--13').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--14').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--15').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--16').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--17').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--18').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--19').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--20').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--21').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--22').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--23').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
googletag.cmd.push(function() {
googletag.defineSlot('/49859683/RDV_web', div_1_sizes, 'div-gpt-ad-1515779430602--24').addService(googletag.pubads());
googletag.pubads().enableSingleRequest();
googletag.enableServices();
});
//
// Begin comScore Tag
var _comscore = _comscore || [];
_comscore.push({ c1: "2", c2: "5641052" });
(function() {
var s = document.createElement("script"), el = document.getElementsByTagName("script")[0]; s.async = true;
s.src = (document.location.protocol == "https:" ? "https://sb" : "https://b") + ".scorecardresearch.com/beacon.js";
el.parentNode.insertBefore(s, el);
})();
// End comScore Tag
//
var domain= "rincondelvago.com";
//-->
NOTA:
El diseño de las vigas y las correas se escogerán buscando el modelo de sección “S” correspondiente de cada una, en la tabla B - 3 (ver anexo) del libro de resistencia de los materiales (Ferdinand Singer).
El material de las vigas y correas es de acero, perfil I normal Americano “S”.
Vista de Frente (Correas)
W = 508,5 Kg x mL
W = 1858,5 Kg x mL
4,75
Vista Lateral (Vigas)
P2 = 8828 Kg
P2 P2 P2 P2 P2
4,5
6 mts
4,75
28,5 mts
ANALISIS DE CARGA
Carga Muerta:
W Concreto = 206 Kg/m2
Peso Propio de losa de Acero = 10 Kg/m2 (CALIBRE 20)
Manto Asfaltico = 10 Kg/m2
Total Carga Muerta
W Cm = 508,5 Kg x mL
W = 508,5 Kg/mL
A B
R A R B
4,75
1207,7
V
-1207,7
956 956
M
M = WL 2 = 508,5 Kg/mL x (4,75m) 2 ! 478 Kg x m
Calculo de Reacciones
Hacemos momento en B :
M B + = 0
RA(4,75) - W(4,75)(2,375) = 0
RA = RB = 1207,7 Kg
Calculo de Momento
MA = WL 2 ! MB = 508,5 x (4,75) 2 = 956 Kg x m
Por lo tanto el Momento Máximo es 965 Kg x m
Utilizando la formula de Flexión
máx = Mmáx ! S = Mmáx = 95600 Kg cm = 45,52 cm3
S máx 2100 Kg/cm2
El esfuerzo máximo por Flexión que puede soportar este tipo acero es 2100 Kg/cm2
La correa tendra las siguientes especificaciones:
Denominac.
Masa Kg/m
Área mm2
Altura mm
Ancho mm
Espesor mm
Esp.alma mm
5130 x 15
14,8
1880
127
76
8,3
5,3
6m
4,75
28,5 m
ANALISI DE CARGA
Carga Muerta:
W Concreto = 206 Kg/m2
Peso Propio de losa de Acero = 10 Kg/m2 (CALIBRE 20 )
Particiones = 100 Kg/m2
Carga viva
W carga Viva = 400 Kg/mL2
W Total = 1858,5 Kg x mL
W = 1858,5 Kg/mL
A B
R A R B
4,75
4413,9
V
-4413,9
3494,4
3494,4
M
M = WL 2 = 1797,2
24
RA = RB = WL/2 = 1858,5 x 4,75 = 4413,9 Kg
2
Calculo de Momento
MA = WL 2 ! MB = 1858,5 x (4,75) 2 = 3494,4 Kg x m
La correa tendra las siguientes especificaciones:
Denominac.
Masa Kg/m
Área mm2
Altura mm
Ancho mm
Espesor mm
Esp.alma mm
5200x27
27,5
3500
203
102
10,8
6,9
VIGAS (PARTE SUPERIOR)
A B 4,75 C D E F G H
" ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ "
1434 1434 1434 _ _ _ _ _
0 0 0 0 0 0 0 0 0 0 0 0 0
1.- Calculo de Factor de Distribución
FD2-1 = =
2.- Calculo de Momento Fijos
Mmáx = 1434 Kgxm = 143400 Kgxcm
La viga tendra las siguientes especificaciones:
Perfil I, Americano (s)
Denominac.
Masa Kg/m
Área mm2
Altura mm
Ancho mm
Espesor mm
Esp.alma mm
5200x22
21,9
2790
127
83
8,3
12,5
VIGAS (DEL ENTREPISO)
A B 4,75 C D E F G H
" ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ "
- 4965 4965 - 4965 4965 - 4965 4965 - 4965 4965 - 4965 4965 - 4965 4965 - 4965
V 0 0 0 0 0 0 0 0 0 0 0 0 0 0
METODO DE ARDÍ CROSS
1.- Calculo de Factor de Distribución:
2.- Calculo de Momento Fijos
DISEÑO DE LA VIGA
Mmáx = 4965,75 Kgxm
La viga tendra las siguientes especificaciones:
Perfil I, Americano (s)
Denominac.
Masa Kg/m
Área mm2
Altura mm
Ancho mm
Espesor mm
Esp.alma mm
5250x38
37,8
4820
254
118
12,5
7,9
Calculo por deflexión de las vigas del techo
4,5mts
Deflexión Máxima
P = 2415,4 Kg
L = 4,5 mts
E = Modulo de Elasticidad
Ix-x = Momento de Inercia = 633 cm4
Si se acepta la viga
3,44 >
3,44 > 1,875
la viga se rechaza por no cumplir con la regla
Se puede con una viga de mayor tamaño:
5200 x 27
= 0,9 < 1,875
Esta viga es aceptada y se remplaza por la anterior. La denominación de la nueva viga es 5200x27
4,5 mts
Deflexión Máxima
P = 8824 Kg
L = 4,5 mts
E = 2,1x106 Kg/cm2
Ix-x = 5140 cm4
acepta la viga.
La viga es aceptable.
Calculo por deflexión de las correas de techo
W = 508,5 Kg/ml
1207,7
V
1207,7
M
X
X`
X = 0,2113xL
X = 0,2113x4,75m
X = 1m
X` = 4,75 - 2x
X` = 4,75 - 2
X` = 2,75m
Si acepta la viga.
Se acepta la correa.
Calculo por deflexión de las correas del entrepiso
W = 1858,5 Kg/m
4413,9
V
-4413,9
X
X`
X = 0,2113xL
X = 0,2113x4,75
X 0 1m
X` = 2,75m
W = 18,585 Kg/cm
E = 2,1x106 Kg/cm2
I = 2400 cm4
Si acepta la viga.
Se acepta la correa.
P1 = 2R = 2415,,4 Kg
P1 P1 P1 P1 P1
CORREAS (PARTE SUPERIOR)
W = 508,5 Kg/mL
CORREAS ENTRE PISO
W = 1858,5 Kg/mL
P = 2 x R = 1207,7 x 2 = 2415,4 Kg
2415,4 Kg 2415,4 Kg 2415,4 Kg 2415,4 Kg 2415,4 Kg 2415,4 Kg 2415,4 Kg
FD
MF
MD
MT
V
M
P = 2 x R = 2x4413,9 = 8828Kg
P P P P P P P
FD
MF
MD
MT
V
M
Mmáx = 4965 Kgxm
2415,4 Kg
8824 Kg
W = 5,085 Kg/cm
E = 2,1x106 Kg/cm2
I = 511 cm4
Descargar
Enviado por: Chico Uneg Idioma: castellanoPaís: Venezuela