New equipment for the geotechnical laboratory is to be procured. The procurement is divided into 10 lots. The respective requirements can be found in the service description. The tender consists of the following lots:

- Lot 1: Cyclic triaxial machine (axial load up to 10 kN and cell pressure up to 2MPa)

- Lot 2 Cyclic triaxial machine (axial load up to 25 kN and cell pressure up to 1.4 MPa)

- Lot 3 Oedometer/Consolidation Test System (soft oedometer cell with lateral support ring for measuring horizontal stresses)

- Lot 4 Oedometer/consolidation test system (oedometer cell with lateral support ring for measuring horizontal stresses)

- Lot 5 Frame shear device (possibility of applying cyclic loads)

- The 6 Rahmenschergerät

- Lot 7 HYPROP or comparable analyzer for automatic determination of the suction tension during dewatering and remoistening of cohesive and non-cohesive soil samples in the laboratory

- Lot 8 Device for automatic determination of the hydraulic conductivity of the soil in the laboratory (KSAT or equivalent)

- Lot 9 Device for automatic determination of soil water potential/capillary potential in the laboratory (WP4C or comparable)

- Lot 10 Device for automatic determination of the grain size distribution of the soil in the laboratory (PARIO or comparable)

Further information and requirements can be found in the SOW under the item “procurement documents”.

a) Possibility of applying cyclic loads with axial load up to 10kN and cell pressure up to 2MPa

b) Dimension of the sample up to 100mm diameter

c) Cell pressure can be changed during the experiment

d) Measurement of multiple channels at the same time

(e) Experiments with unsaturated/partially saturated and fully saturated samples

(f) Feasibility of K0 consolidation tests

g) Access to all measured values in real time to adjust further control during the experiment depending on the reaction of the sample

(h) Possibility to upgrade the temperature control of the experiment

- Software for controlling the machine/tests and reading out the data, if necessary with access to the source code (including data logger, required cables, installation option on Windows 10)

- Accessories for the preparation of samples (filter stones, membranes, O-rings, sample cookie cutters and other accessories necessary for the preparation and execution of tests with cohesive and non-cohesive soils (saturated and unsaturated) for the offered machine)

10 Device for automatic determination of the grain size distribution of the soil in the laboratory (PARIO or equivalent)

- Software for reading the data (including required cables, installation option on Windows 10)

- Graduated cylinders and necessary accessories required to prepare and carry out the tests with cohesive and non-cohesive soil for the instrument offered

a) Possibility of applying cyclic loads with axial load up to 25kN and cell pressure up to 1.4MPa

b) Dimension of the specimen up to 50mm diameter

c) Cell pressure can be changed during the experiment

d) Direct measurement of the transverse strain of the specimen

e) Measurement of several channels at the same time

(f) Feasibility of K0 consolidation tests

g) Control of the measured values in real time with access to the source code and use of the results for further load decisions during the test

h) Displacement-controlled application of the load

i) Access to all measured values in real time to adjust further control during the experiment depending on the reaction of the sample

- Software for controlling the machine/tests and reading the data with access to the source code (including data logger, required cables, installation option on Windows 10)

- Accessories for the preparation of the samples (filter stones, membranes, O-rings, sample cookie cutters and other accessories necessary for the preparation and execution of tests with cohesive and non-cohesive soils for the offered machine)

a) Soft oedometer cell with lateral support ring for measuring horizontal stresses (transverse stress)

b) Measurement of the temperatures of the sample

c) Dimension of the sample up to 100mm diameter

d) Automatic loading of the specimen (including loading frame or similar)

e) Measurement of pore water pressure

- Software for controlling the machine/tests and reading the data (including data logger, required cables, installation option on Windows 10)

- Accessories for the preparation of cohesive and non-cohesive samples (including piercing cylinders, consolidation pots for the preparation of disturbed clay samples, calibration apparatus and other accessories necessary for the preparation and execution of tests with cohesive and non-cohesive soils for the offered machine)

a) Oedometer cell with lateral support ring for measuring horizontal stresses (transverse stress)

b) Dimension of the sample up to 100mm diameter

c) Automatic loading of the specimen (including loading frame or similar)

d) Experimental performance with unsaturated/partially saturated and fully saturated samples

e) Independent control of vertical stresses and backpressure (Rowe and Bard cell or equivalent)

- Software for controlling the machine/tests and reading the data (including data logger, required cables, installation option on Windows 10)

- Accessories for the preparation of cohesive and non-cohesive samples (including piercing cylinders, consolidation pots for the preparation of disturbed clay samples and other accessories necessary for the preparation and performance of tests with cohesive and non-cohesive soils (saturated and unsaturated) for the offered machine)

(a) Possibility of applying cyclic loads

b) Automatic loading of the specimen (including loading frame or similar)

c) Tischstand

- Software for controlling the machine/tests and reading the data (including data logger, required cables, installation option on Windows 10)

- Accessories for the preparation of the samples (mould for cutting out the samples and other accessories necessary for the preparation and execution of tests with cohesive and non-cohesive soils for the offered machine)

a) Automatic loading of the specimen (including load frame or similar)

b) Tischstand

- Software for controlling the machine/tests and reading the data (including data logger, required cables, installation option on Windows 10)

- Accessories for the preparation of the samples (mould for cutting out the samples and other accessories necessary for the preparation and execution of tests with cohesive and non-cohesive soils for the offered machine)

HYPROP or comparable analyzer for automatic determination of the suction tension during dewatering and remoistening of cohesive and non-cohesive soil samples in the laboratory (soil moisture measurements)

- Software for reading the data (including required cables, installation option on Windows 10)

- Accessories for the preparation of the samples (cookie cutters and other accessories necessary for the preparation and execution of tests with cohesive and non-cohesive soils for the offered device)

Device for the automatic determination of the hydraulic conductivity of the soil in the laboratory (KSAT or equivalent)

- Software for reading the data (including required cables, installation option on Windows 10)

- Necessary accessories needed to prepare and carry out the tests with cohesive and non-cohesive soil for the offered device

Device for automatic determination of soil water potential/capillary potential in the laboratory (WP4C or comparable)

- Software for reading the data (including required cables, installation option on Windows 10)

- Necessary accessories needed to prepare and carry out the tests with cohesive and non-cohesive soil for the offered device