Proračun prečnika priključka
#app{
font-family: Arial;
background:#f3f4f6;
padding-bottom:120px;
}
/* HEADER */
.header{
padding:15px;
background:#fff;
font-weight:bold;
font-size:16px;
border-bottom:1px solid #ddd;
}
/* CARD */
.card{
background:#fff;
margin:10px;
padding:15px;
border-radius:10px;
box-shadow:0 2px 6px rgba(0,0,0,0.05);
}
/* INPUT */
#app select,#app input{
width:100%;
padding:12px;
margin-top:8px;
border-radius:8px;
border:1px solid #ccc;
font-size:16px;
}
/* BUTTON */
#app button{
width:100%;
padding:12px;
margin-top:10px;
background:#2563eb;
color:white;
border:none;
border-radius:8px;
font-size:16px;
}
/* LIST */
.item{
display:flex;
justify-content:space-between;
padding:10px 0;
border-bottom:1px solid #eee;
font-size:14px;
}
.delete{
color:red;
cursor:pointer;
}
/* RESULT */
.result{
position:fixed;
bottom:0;
left:0;
right:0;
background:white;
padding:15px;
border-top:1px solid #ddd;
box-shadow:0 -2px 6px rgba(0,0,0,0.1);
font-size:14px;
}
const vrednosti = {
"Bide":1.0,"Kada":1.0,"PP hidrant":100,
"Pisoar":0.50,"Sudo mašina":0.50,
"Sudopera":1.0,"Tuš":1.0,
"Trokadero":0.50,"Umivaonik":0.50,
"Veš mašina":0.50,"WC ispirač pod pritiskom":1.0,
"WC sa vodokotlićem":0.25
};
const DN_lista = [16,20,25,32,40,50,63,75,90,110,125,150,200];
let stavke = [];
// dropdown
let select = document.getElementById("element");
select.innerHTML = '--Izaberi--';
Object.keys(vrednosti).sort().forEach(el=>{
let opt = document.createElement("option");
opt.textContent = el;
select.appendChild(opt);
});
function dodaj(){
let el = document.getElementById("element").value;
let kom = parseFloat(document.getElementById("kom").value);
if(!el || kom{
html += `
`;
});
document.getElementById("lista").innerHTML = html;
}
function racunaj(){
let suma = 0;
stavke.forEach(s=>{
suma += s.jo*s.kom;
});
document.getElementById("zbir").innerText = suma.toFixed(2);
let Q = 0.25*Math.sqrt(suma);
document.getElementById("protok").innerText = Q.toFixed(2)+" l/s";
let v = parseFloat(document.getElementById("brzina").value);
if(vval>=d_mm) || DN_lista.at(-1);
document.getElementById("dn").innerText = dn;
let A = Math.PI*Math.pow(dn/1000,2)/4;
let vreal = Q_m3/A;
document.getElementById("vreal").innerText = vreal.toFixed(2);
}
Proračun priključka
∑ J.O.= 0
Q= 0
d= 0 mm
ID min= 0 mm
v= 0 m/s
${s.element} (${s.kom})
${(s.jo*s.kom).toFixed(2)} 🗑