Technische Universität München

LandXML-related works at TUM - CMS

- 3D Geometric Representation and Applications –

Yang Ji, André Borrmann

Chair of Computational Modeling and Simulation (CMS)

Technische Universität München (TUM)

www.cms.bv.tum.de

Nordic openINFRA Workshop – LandXML, 7th June 2012, Oslo, Norway

Technische Universität München • Chair of Computational Modeling and Simulation

Integrated 3D Infrastructure Modeling

3D Subsoil

Model

3D Bridge

Model

Construction

Site Model

3D Road Model

3D Terrain

Model

3D City Model

Siemens NX

Plant Simulation

Surpac

AutoDesk Civil 3D

GIS Systems

AutoDesk Civil3D,

ProVI, RIB Stratis

ForBAU Project - The Virtual Construction Site (2008-2010)

Technische Universität München • Chair of Computational Modeling and Simulation

ForBAU Integrator

3D Infrastructure

Model 2D Road Alignment

3D Terrain Model

3D Subsoil Model

3D Parametric

Bridge Modeling

LandXML

Simulation of

Earthwork Processes

volume and position of

cut and fill areas

3D road alignment

Technische Universität München • Chair of Computational Modeling and Simulation

ForBAU Integrator - Demonstration

Technische Universität München • Chair of Computational Modeling and Simulation

Earthwork Optimization

Technische Universität München • Chair of Computational Modeling and Simulation

Earthwork Simulation mit Siemens Plant Simulation

Technische Universität München • Chair of Computational Modeling and Simulation

Earthwork Quantity Take-off

Fill Cut

Solid DGM

Technische Universität München • Chair of Computational Modeling and Simulation

Parametric Bridge Design

3D Road Alignment

Version 1

3D Road Alignment

Version 2

Design changes Automatic update

Road Design is coupled with Bridge Design

Movie

Technische Universität München • Chair of Computational Modeling and Simulation

Multi-scale Integrated Infrastructural Planning

Technische Universität München • Chair of Computational Modeling and Simulation

Experience with LandXML – 3D Geometric Representation

Point

3

Point

2 Point

1 Face

3D Terrain Model 3D Subsoil Model

Technische Universität München • Chair of Computational Modeling and Simulation

Experience with LandXML – 3D Geometric Representation

2D Road Alignment

2D Vertical Alignment

2D Horizontal Alignment

2D Road Profile Definition

3D road alignment geometry implicitly represented

by 2D alignment designs

3D Road Alignment

Technische Universität München • Chair of Computational Modeling and Simulation

2D Horizontal Alignment

Circle - length

- rotation

- start- and end point

- center

- radius

Line - start point

- end point

- length

Transition curve (Clothoide) - length

- start- and end point

- rotation

- start radius and end radius

x

y

s1

s4

Sn : length of curve

X-Y-Plane

Horizontal Alignment

Technische Universität München • Chair of Computational Modeling and Simulation

2D Vertical Alignment

Vertical Alignment

s

z

PVI Point

Tangential Point

PVI

Length T

T/2 T/2

PVI point - Abscissa s

- Superelevation

Parabolic curve - Tangential point

- Length

S-Z-Plane

S : abscissa of

horizontal alignment

Technische Universität München • Chair of Computational Modeling and Simulation

3D Road Alignment

x

y

s1

s4

Sn : length of curve

X-Y-Plane

s

z

PVI Point

Tangential Point

PVI

Length T

T/2 T/2

S-Z-Plane

3D coordinate of road alignment points

s = 3 (x, y) s = 3 z = 10

Technische Universität München • Chair of Computational Modeling and Simulation

3D Road Solid Model

2D road profile definition

2D Road Profile Definition

road solid model

road cross sections placed alone 3D alignment

- No standardized profile definition available

- different implementations by software provider

Technische Universität München • Chair of Computational Modeling and Simulation

Examples of different cross section definitions

AutoCAD Civil3D

RIB STRATIS / AKG VESTRA

slope left slope right

traffic lane boundary left traffic lane boundary right

slope foot left slope foot right

middle point

No. 20 e.g. outer curve No. 30 layer cover

Technische Universität München • Chair of Computational Modeling and Simulation

Extension of VTT Finland

Quelle: http://cic.vtt.fi/projects/inframodel2010/eng/index_IM.html

Technische Universität München • Chair of Computational Modeling and Simulation

LandXML software tools developed CMS

• ForBAU Integrator for Earthwork

Optimization and Simulation

• LandXML Interface for Siemens NX

for 3D Bridge Design (in commercializing)

• TUM LandXML Viewer

Technische Universität München • Chair of Computational Modeling and Simulation

Summary and Outlook

• Knowhow of LandXML development

• Implementation of LandXML tools in

Java, C# with Java3D, Siemens NX

• Cooperation with VTT Finland

with Juha Hyvärinen for testing and visualizing

extension of LandXML

• Research partner in openINFRA

particularly for IFC-Bridge extension

Welcome to IFC-Bridge Workshop in

Paris on 13th July!

Technische Universität München

LandXML-related works at TUM - CMS

- 3D Geometric Representation and Applications –

Yang Ji, André Borrmann

Chair of Computational Modeling and Simulation (CMS)

Technische Universität München (TUM)

www.cms.bv.tum.de

Nordic openINFRA Workshop – LandXML, 8th Juni 2012, Oslo, Norway