4. Приложения

4.1. Программа для проверки несущей способности и построения паспорта прочности тюбинговых обделок вертикальных стволов метрополитенов.

unit Calc1;

interface

uses

SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,

Forms, Dialogs, DBTables, DB, DBFilter, Grids, DBGrids, StdCtrls,

RXLookup, ExtCtrls, Buttons;

type

TForm1 = class(TForm)

Panel1: TPanel;

Panel2: TPanel;

rxDBLookupCombo1: TrxDBLookupCombo;

Edit1: TEdit;

Label1: TLabel;

Label2: TLabel;

Edit2: TEdit;

Label3: TLabel;

DBGrid1: TDBGrid;

Label4: TLabel;

TableSTUFF: TTable;

DataSourceSTUFF: TDataSource;

rxDBFilter1: TrxDBFilter;

DataSourceDATA: TDataSource;

TableDATA: TTable;

TableDATAR: TFloatField;

TableDATAMass: TFloatField;

TableDATAR_press: TFloatField;

TableDATAR_stretch: TFloatField;

TableDATAPuasson: TFloatField;

TableDATAR1: TFloatField;

TableDATARb: TFloatField;

TableDATAA: TFloatField;

TableDATAB: TFloatField;

TableDATAStuff: TSmallintField;

BitBtn1: TBitBtn;

RadioGroup1: TRadioGroup;

RadioButton1: TRadioButton;

RadioButton2: TRadioButton;

RadioButton3: TRadioButton;

procedure rxDBLookupCombo1Change(Sender: TObject);

procedure DBGrid1DblClick(Sender: TObject);

procedure RadioButton1Click(Sender: TObject);

procedure RadioButton2Click(Sender: TObject);

procedure RadioButton3Click(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

var

Form1: TForm1;

implementation

uses

Draw;

{$R *.DFM}

procedure TForm1.rxDBLookupCombo1Change(Sender: TObject);

var

S: String;

begin

rxDBFilter1.Deactivate;

rxDBFilter1.Filter.Clear;

s:='Stuff = '+TableSTUFF.FieldByName('Code').AsString;

rxDBFilter1.Filter.Add(S);

rxDBFilter1.Activate;

end;

procedure TForm1.DBGrid1DblClick(Sender: TObject);

var

Mass, R_press, R_stretch, Puasson, PuassonP, R1, Rb, R, A, B: Double;

P0, P2: Double;

C1, C2: Double;

K0, K1, K2, K3, K4: Double;

L, L1: Double;

ALFA1, ALFA2: Double;

BETA, BETA1, BETA2: Double;

DELTA1, DELTA2: Double;

GAMMA1, GAMMA2: Double;

D1, D2: Double;

F: Double;

SIGMARS, SIGMARR, SIGMASS, SIGMASR: Double;

i: Integer;

Pkr, PkrOld: Double;

Eo, Ep, J: Double;

procedure Calc;

begin

C1 := R1/Rb;

C2 := R/R1;

F := (C2*C2-1)/(C1*C1-1)*(C2*C2-1)/(C1*C1-1)*

(C2*C2-1)/(C1*C1-1)*(1+B/A);

D2 := (C2*C2+1)*(C2*C2+1)*(C2*C2+1)/(Puasson+1);

D1 := (C1*C1-1)*(C1*C1-1)/(Puasson+1);

DELTA2 := C2*C2*(C2*C2+1);

DELTA1 := C2*C2*(3-C2*C2);

GAMMA2 := C2*C2*(2*C2*C2*C2*C2+C2*C2+1);

GAMMA1 := C2*C2*(3+C2*C2);

BETA := (3+R/Rb*R/Rb)/(3-R/Rb*R/Rb);

BETA2 := C2*C2*C2*C2*(C2*C2+1)-D2+F*(C1*C1+1+D1);

BETA1 := 3*C2*C2-1-D2+F*((3-C2*C2)*C1*C1*C1*C1+D1);

ALFA2 := C2*C2*(2+C2*C2+C2*C2*C2*C2)-

D2+F*(2*C1*C1*C1*C1+C1*C1+1+D1);

ALFA1 := 3*C2*C2+1+D2+F*((C1*C1+3)*C1*C1*C1*C1-D1);

K4 := (ALFA2*DELTA1-ALFA1*DELTA2)/(ALFA2*BETA1-ALFA1*BETA2);

K3 := (ALFA1*GAMMA2-ALFA2*GAMMA1)/(ALFA2*BETA1-ALFA1*BETA2);

K2 := (BETA2*DELTA1-BETA1*DELTA2)/(ALFA2*BETA1-ALFA1*BETA2);

K1 := (BETA1*GAMMA2-BETA2*GAMMA1)/(ALFA2*BETA1-ALFA1*BETA2);